-src/event.d
-src/geom.d
-src/gfx.d
-src/keyboard.d
-src/main.d
-src/mouse.d
-src/window.d
-src/winnie.d
-src/wm.d
+*.d
--- /dev/null
+PREFIX=/usr/local
+src = $(wildcard src/*.cc) $(wildcard src/fbdev/*.cc) $(wildcard src/sdl/*.cc)
+obj = $(src:.cc=.o)
+#dep = $(obj:.o=.d)
+lib_so = libwinnie.so
+
+dbg = -g
+opt = -O0
+inc = -Isrc
+
+backend = SDL
+
+ifeq ($(backend), SDL)
+ def = -DWINNIE_SDL
+ libs = -lSDL
+else
+ def = -DWINNIE_FBDEV
+endif
+
+CXX = g++
+CXXFLAGS = -pedantic -Wall $(dbg) $(opt) $(inc) $(def) `freetype-config --cflags`
+LDFLAGS = $(libs) `freetype-config --libs` -lrt
+
+$(lib_so): $(obj)
+ $(CXX) -o $@ -shared $(obj) $(LDFLAGS)
+
+.PHONY: clean
+clean:
+ rm -f $(obj) $(lib_so)
+
+.PHONY: install
+install: $(lib_so)
+ mkdir -p $(PREFIX)/lib
+ mkdir -p $(PREFIX)/bin
+ cp $(lib_so) $(PREFIX)/lib/$(lib_so)
+ ldconfig
+
+.PHONY: uninstall
+uninstall:
+ rm -f $(PREFIX)/lib/$(lib_so)
--- /dev/null
+/*
+winnie - an experimental window system
+
+Copyright (C) 2013 Eleni Maria Stea
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+Author: Eleni Maria Stea <elene.mst@gmail.com>
+*/
+
+The winnie library.
--- /dev/null
+/*
+winnie - an experimental window system
+
+Copyright (C) 2013 Eleni Maria Stea
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+Author: Eleni Maria Stea <elene.mst@gmail.com>
+*/
+
+#ifndef EVENT_H_
+#define EVENT_H_
+
+class Window;
+
+typedef void (*DisplayFuncType)(Window* win);
+typedef void (*KeyboardFuncType)(Window* win, int key, bool pressed);
+typedef void (*MouseButtonFuncType)(Window *win, int bn, bool pressed, int x, int y);
+typedef void (*MouseMotionFuncType)(Window *win, int x, int y);
+
+struct Callbacks {
+ DisplayFuncType display;
+ KeyboardFuncType keyboard;
+ MouseButtonFuncType button;
+ MouseMotionFuncType motion;
+};
+
+void process_events();
+
+#endif
--- /dev/null
+/*
+winnie - an experimental window system
+
+Copyright (C) 2013 Eleni Maria Stea
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+Author: Eleni Maria Stea <elene.mst@gmail.com>
+*/
+
+#ifdef WINNIE_FBDEV
+#include <stdio.h>
+
+#include <errno.h>
+#include <unistd.h>
+#include <sys/select.h>
+
+#include "event.h"
+#include "wm.h"
+#include "keyboard.h"
+#include "mouse.h"
+
+void process_events()
+{
+ int keyb_fd = get_keyboard_fd();
+ int mouse_fd = get_mouse_fd();
+
+ for(;;) {
+ wm->process_windows();
+
+ fd_set read_set;
+
+ FD_ZERO(&read_set);
+ FD_SET(keyb_fd, &read_set);
+ FD_SET(mouse_fd, &read_set);
+
+ int maxfd = keyb_fd > mouse_fd ? keyb_fd : mouse_fd;
+
+ while(select(maxfd + 1, &read_set, 0, 0, 0) == -1 && errno == EINTR);
+
+ if(FD_ISSET(keyb_fd, &read_set)) {
+ process_keyboard_event();
+ }
+ if(FD_ISSET(mouse_fd, &read_set)) {
+ process_mouse_event();
+ }
+ }
+}
+#endif // WINNIE_FBDEV
--- /dev/null
+/*
+winnie - an experimental window system
+
+Copyright (C) 2013 Eleni Maria Stea
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+Author: Eleni Maria Stea <elene.mst@gmail.com>
+*/
+
+#ifdef WINNIE_FBDEV
+#include <errno.h>
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <sys/mman.h>
+#include <sys/time.h>
+#include <unistd.h>
+
+#include <linux/fb.h>
+
+#include "gfx.h"
+#include "shalloc.h"
+#include "winnie.h"
+
+#define FRAMEBUFFER_SIZE(xsz, ysz, bpp) ((xsz) * (ysz) * (bpp) / CHAR_BIT)
+
+static unsigned char *framebuffer;
+static int dev_fd;
+static int rgb_order[3];
+
+struct Graphics {
+ Rect screen_rect;
+ Rect clipping_rect;
+ int color_depth;
+ Pixmap *pixmap;
+};
+
+static Graphics *gfx;
+
+bool init_gfx()
+{
+ if(!(gfx = (Graphics*)sh_malloc(sizeof *gfx))) {
+ return false;
+ }
+
+ get_subsys()->graphics_offset = (int)((char*)gfx - (char*)get_pool());
+
+ dev_fd = -1;
+
+ if((dev_fd = open("/dev/fb0", O_RDWR)) == -1) {
+ fprintf(stderr, "Cannot open /dev/fb0 : %s\n", strerror(errno));
+ return false;
+ }
+
+ fb_var_screeninfo sinfo;
+ if(ioctl(dev_fd, FBIOGET_VSCREENINFO, &sinfo) == -1) {
+ close(dev_fd);
+ dev_fd = -1;
+ fprintf(stderr, "Unable to get screen info : %s\n", strerror(errno));
+ return false;
+ }
+
+ printf("width : %d height : %d\n : bpp : %d\n", sinfo.xres, sinfo.yres, sinfo.bits_per_pixel);
+ printf("virtual w: %d virtual h: %d\n", sinfo.xres_virtual, sinfo.yres_virtual);
+
+ gfx->screen_rect.x = gfx->screen_rect.y = 0;
+ gfx->screen_rect.width = sinfo.xres_virtual;
+ gfx->screen_rect.height = sinfo.yres_virtual;
+ gfx->color_depth = sinfo.bits_per_pixel;
+
+ rgb_order[0] = sinfo.red.offset / 8;
+ rgb_order[1] = sinfo.green.offset / 8;
+ rgb_order[2] = sinfo.blue.offset / 8;
+
+ set_clipping_rect(gfx->screen_rect);
+
+ int sz = FRAMEBUFFER_SIZE(gfx->screen_rect.width, gfx->screen_rect.height, gfx->color_depth);
+ framebuffer = (unsigned char*)mmap(0, sz, PROT_READ | PROT_WRITE, MAP_SHARED, dev_fd, 0);
+
+ if(framebuffer == (void*)-1) {
+ close(dev_fd);
+ dev_fd = -1;
+ fprintf(stderr, "Cannot map the framebuffer to memory : %s\n", strerror(errno));
+ return false;
+ }
+
+// TODO: uncomment when I find how to use intelfb instead of i915 GRRRR.-
+ fb_vblank vblank;
+ if(ioctl(dev_fd, FBIOGET_VBLANK, &vblank) == -1) {
+// fprintf(stderr, "FBIOGET_VBLANK error: %s\n", strerror(errno));
+ }
+/*
+ else {
+ printf("flags: %x\n", vblank.flags);
+ printf("count: %d\n", vblank.count);
+ printf("beam position: %d, %d\n", vblank.hcount, vblank.vcount);
+ }
+*/
+
+ if(!(gfx->pixmap = (Pixmap*)sh_malloc(sizeof(Pixmap)))) {
+ fprintf(stderr, "Failed to allocate pixmap.\n");
+ return false;
+ }
+
+ gfx->pixmap->width = gfx->screen_rect.width;
+ gfx->pixmap->height = gfx->screen_rect.height;
+
+ int fbsize = gfx->pixmap->width * gfx->pixmap->height * gfx->color_depth / 8;
+ if(!(gfx->pixmap->pixels = (unsigned char*)sh_malloc(fbsize))) {
+ fprintf(stderr, "failed to allocate the pixmap framebuffer.\n");
+ return false;
+ }
+
+ return true;
+}
+
+void destroy_gfx()
+{
+ clear_screen(0, 0, 0);
+ gfx_update(gfx->screen_rect);
+
+ if(dev_fd != -1) {
+ close(dev_fd);
+ }
+
+ dev_fd = -1;
+
+ munmap(framebuffer, FRAMEBUFFER_SIZE(gfx->screen_rect.width, gfx->screen_rect.height, gfx->color_depth));
+ framebuffer = 0;
+
+ sh_free(gfx->pixmap->pixels);
+ gfx->pixmap->pixels = 0;
+ sh_free(gfx->pixmap);
+ sh_free(gfx);
+}
+
+unsigned char *get_framebuffer()
+{
+ return gfx->pixmap->pixels;
+}
+
+Pixmap *get_framebuffer_pixmap()
+{
+ return gfx->pixmap;
+}
+
+Rect get_screen_size()
+{
+ return gfx->screen_rect;
+}
+
+int get_color_depth()
+{
+ return gfx->color_depth;
+}
+
+void set_clipping_rect(const Rect &rect)
+{
+ gfx->clipping_rect = rect_intersection(rect, get_screen_size());
+}
+
+const Rect &get_clipping_rect()
+{
+ return gfx->clipping_rect;
+}
+
+void set_cursor_visibility(bool visible)
+{
+ fb_cursor curs;
+ curs.enable = visible ? 1 : 0;
+
+ if(ioctl(dev_fd, FBIO_CURSOR, &curs) == -1) {
+ fprintf(stderr, "Cannot toggle cursor visibility : %s\n", strerror(errno));
+ }
+}
+
+void gfx_update(const Rect &upd_rect)
+{
+ Rect rect = rect_intersection(upd_rect, gfx->screen_rect);
+ unsigned char *sptr = gfx->pixmap->pixels + (rect.y * gfx->screen_rect.width + rect.x) * 4;
+ unsigned char *dptr = framebuffer + (rect.y * gfx->screen_rect.width + rect.x) * 4;
+
+ for(int i=0; i<rect.height; i++) {
+ memcpy(dptr, sptr, rect.width * 4);
+ sptr += gfx->screen_rect.width * 4;
+ dptr += gfx->screen_rect.width * 4;
+ }
+}
+
+void wait_vsync()
+{
+ unsigned long arg = 0;
+ if(ioctl(dev_fd, FBIO_WAITFORVSYNC, &arg) == -1) {
+// printf("ioctl error %s\n", strerror(errno));
+ }
+}
+
+void get_rgb_order(int *r, int *g, int *b)
+{
+ *r = rgb_order[0];
+ *g = rgb_order[1];
+ *b = rgb_order[2];
+}
+
+#endif // WINNIE_FBDEV
--- /dev/null
+/*
+winnie - an experimental window system
+
+Copyright (C) 2013 Eleni Maria Stea
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+Author: Eleni Maria Stea <elene.mst@gmail.com>
+*/
+
+#ifdef WINNIE_FBDEV
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <termios.h>
+#include <unistd.h>
+
+#include "keyboard.h"
+#include "shalloc.h"
+#include "window.h"
+#include "winnie.h"
+#include "wm.h"
+
+struct Keyboard {
+ int dev_fd;
+ enum {RAW, CANONICAL} ttystate;
+};
+
+static Keyboard *keyboard;
+
+bool init_keyboard()
+{
+ if(!(keyboard = (Keyboard*)sh_malloc(sizeof *keyboard))) {
+ return false;
+ }
+
+ get_subsys()->keyboard_offset = (int)((char*)keyboard - (char*)get_pool());
+
+ keyboard->ttystate = keyboard->CANONICAL;
+ keyboard->dev_fd = -1;
+
+ if((keyboard->dev_fd = open("/dev/tty", O_RDWR)) == -1) {
+ fprintf(stderr, "Cannot open /dev/tty : %s\n", strerror(errno));
+ return false;
+ }
+
+ struct termios buf;
+
+ if(tcgetattr(keyboard->dev_fd, &buf) < 0) {
+ fprintf(stderr, "Cannot get the tty parameters : %s\n", strerror(errno));
+ return false;
+ }
+
+ buf.c_lflag &= ~(ECHO | ICANON | IEXTEN | ISIG);
+ buf.c_iflag &= ~(BRKINT | ICRNL | INPCK | ISTRIP | IXON);
+ buf.c_cflag &= ~(CSIZE | PARENB);
+ buf.c_cflag |= CS8;
+ buf.c_oflag &= ~(OPOST);
+
+ if(tcsetattr(keyboard->dev_fd, TCSAFLUSH, &buf) < 0) {
+ return false;
+ }
+
+ keyboard->ttystate = keyboard->RAW;
+ return true;
+}
+
+void destroy_keyboard()
+{
+ struct termios buf;
+
+ if(tcgetattr(keyboard->dev_fd, &buf) < 0) {
+ fprintf(stderr, "Cannot get the tty parameters : %s\n", strerror(errno));
+ }
+
+ buf.c_lflag |= (ECHO | ICANON | IEXTEN | ISIG);
+ buf.c_iflag |= (BRKINT | ICRNL | INPCK | ISTRIP | IXON);
+ buf.c_cflag |= (CSIZE | PARENB);
+ buf.c_cflag &= CS8;
+ buf.c_oflag |= (OPOST);
+
+ if(tcsetattr(keyboard->dev_fd, TCSAFLUSH, &buf) < 0) {
+ fprintf(stderr, "Cannot set the tty parameters : %s\n", strerror(errno));
+ }
+
+ keyboard->ttystate = keyboard->CANONICAL;
+
+ if(keyboard->dev_fd != -1) {
+ close(keyboard->dev_fd);
+ keyboard->dev_fd = -1;
+ }
+
+ sh_free(keyboard);
+}
+
+int get_keyboard_fd()
+{
+ return keyboard->dev_fd;
+}
+
+void process_keyboard_event()
+{
+ char key;
+ if(read(keyboard->dev_fd, &key, 1) < 1) {
+ return;
+ }
+
+ if(key == 'q') {
+ exit(0);
+ }
+
+ Window *focused_win = wm->get_focused_window();
+ if(focused_win) {
+ KeyboardFuncType keyb_callback = focused_win->get_keyboard_callback();
+ if(keyb_callback) {
+ keyb_callback(focused_win, key, true); //TODO: true??
+ }
+ }
+
+ /* TODO:
+ * - handle system-wide key combinations (alt-tab?)
+ * - otherwise send keypress/release to focused window
+ */
+}
+#endif // WINNIE_FBDEV
--- /dev/null
+/*
+winnie - an experimental window system
+
+Copyright (C) 2013 Eleni Maria Stea
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+Author: Eleni Maria Stea <elene.mst@gmail.com>
+*/
+
+#ifdef WINNIE_FBDEV
+#include <errno.h>
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <termios.h>
+#include <unistd.h>
+
+#include "geom.h"
+#include "gfx.h"
+#include "mouse.h"
+#include "shalloc.h"
+#include "window.h"
+#include "winnie.h"
+#include "wm.h"
+
+#define BN_LEFT 1
+#define BN_RIGHT 2
+#define BN_MIDDLE 4
+
+static int read_mouse();
+
+struct Mouse {
+ int dev_fd;
+ Rect bounds;
+ int pointer_x;
+ int pointer_y;
+ int bnstate;
+};
+
+static Mouse *mouse;
+
+bool init_mouse()
+{
+ if(!(mouse = (Mouse*)sh_malloc(sizeof *mouse))) {
+ return false;
+ }
+ get_subsys()->mouse_offset = (int)((char*)mouse - (char*)get_pool());
+ memset(mouse, 0, sizeof *mouse);
+
+ mouse->dev_fd = -1;
+
+ if((mouse->dev_fd = open("/dev/psaux", O_RDONLY | O_NONBLOCK)) == -1) {
+ fprintf(stderr, "Cannot open /dev/psaux : %s\n", strerror(errno));
+ return false;
+ }
+
+ set_mouse_bounds(get_screen_size());
+ return true;
+}
+
+void destroy_mouse()
+{
+ if(mouse->dev_fd != -1) {
+ close(mouse->dev_fd);
+ mouse->dev_fd = -1;
+ }
+ sh_free(mouse);
+}
+
+void set_mouse_bounds(const Rect &rect)
+{
+ mouse->bounds = rect;
+}
+
+int get_mouse_fd()
+{
+ return mouse->dev_fd;
+}
+
+void process_mouse_event()
+{
+ /* TODO:
+ * - read all pending events from mouse fd (use O_NONBLOCK so that
+ * read will return -1 when there are no more events instead of blocking).
+ */
+
+ int prev_state = mouse->bnstate;
+ int prev_x = mouse->pointer_x;
+ int prev_y = mouse->pointer_y;
+
+ if(read_mouse() == -1) {
+ return;
+ }
+
+ Window *top;
+ if(!(top = wm->get_grab_window())) {
+ top = wm->get_window_at_pos(mouse->pointer_x, mouse->pointer_y);
+ if(top) {
+ wm->set_focused_window(top);
+ }
+ else {
+ wm->set_focused_window(0);
+ }
+ }
+
+ /* - send each pointer move and button press/release to the topmost window
+ * with the pointer on it.
+ */
+
+ int dx = mouse->pointer_x - prev_x;
+ int dy = mouse->pointer_y - prev_y;
+
+ if((dx || dy) && top) {
+ MouseMotionFuncType motion_callback = top->get_mouse_motion_callback();
+ if(motion_callback) {
+ Rect rect = top->get_absolute_rect();
+ motion_callback(top, mouse->pointer_x - rect.x, mouse->pointer_y - rect.y);
+ }
+ }
+
+ MouseButtonFuncType button_callback;
+ if((mouse->bnstate != prev_state) && top && (button_callback = top->get_mouse_button_callback())) {
+ int num_bits = sizeof mouse->bnstate * CHAR_BIT;
+ for(int i=0; i<num_bits; i++) {
+ int s = (mouse->bnstate >> i) & 1;
+ int prev_s = (prev_state >> i) & 1;
+ if(s != prev_s) {
+ Rect rect = top->get_absolute_rect();
+ button_callback(top, i, s, mouse->pointer_x - rect.x, mouse->pointer_y - rect.y);
+ }
+ }
+ }
+}
+
+void get_pointer_pos(int *x, int *y)
+{
+ *x = mouse->pointer_x;
+ *y = mouse->pointer_y;
+}
+
+int get_button_state()
+{
+ return mouse->bnstate;
+}
+
+int get_button(int bn)
+{
+ if(bn < 0 || bn >= 3) {
+ return 0;
+ }
+ return (mouse->bnstate & (1 << bn)) != 0;
+}
+
+static int read_mouse()
+{
+ int rd;
+ signed char state[3] = {0, 0, 0};
+
+ if((rd = read(mouse->dev_fd, state, 3)) == -1) {
+ fprintf(stderr, "Unable to get mouse state : %s\n", strerror(errno));
+ return -1;
+ }
+
+ mouse->bnstate = state[0] & 7;
+ mouse->pointer_x += state[1];
+ mouse->pointer_y -= state[2];
+
+ if(mouse->pointer_x < mouse->bounds.x) {
+ mouse->pointer_x = mouse->bounds.x;
+ }
+
+ if(mouse->pointer_y < mouse->bounds.y) {
+ mouse->pointer_y = mouse->bounds.y;
+ }
+
+ if(mouse->pointer_x > mouse->bounds.x + mouse->bounds.width - 1) {
+ mouse->pointer_x = mouse->bounds.x + mouse->bounds.width - 1;
+ }
+
+ if(mouse->pointer_y > mouse->bounds.y + mouse->bounds.height - 1) {
+ mouse->pointer_y = mouse->bounds.y + mouse->bounds.height - 1;
+ }
+
+ return 0;
+}
+#endif // WINNIE_FBDEV
--- /dev/null
+/*
+winnie - an experimental window system
+
+Copyright (C) 2013 Eleni Maria Stea
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+Author: Eleni Maria Stea <elene.mst@gmail.com>
+*/
+
+#include "geom.h"
+
+Rect::Rect()
+{
+ x = y = width = height = 0;
+}
+
+Rect::Rect(int x, int y, int w, int h)
+{
+ this->x = x;
+ this->y = y;
+ width = w;
+ height = h;
+}
+
+static inline int min(int x, int y)
+{
+ return x < y ? x : y;
+}
+
+static inline int max(int x, int y)
+{
+ return x > y ? x : y;
+}
+
+Rect rect_union(const Rect &a, const Rect &b)
+{
+ Rect uni;
+ uni.x = min(a.x, b.x);
+ uni.y = min(a.y, b.y);
+ uni.width = max(a.x + a.width, b.x + b.width) - uni.x;
+ uni.height = max(a.y + a.height, b.y + b.height) - uni.y;
+
+ return uni;
+}
+
+Rect rect_intersection(const Rect &a, const Rect &b)
+{
+ Rect intersect;
+ intersect.x = max(a.x, b.x);
+ intersect.y = max(a.y, b.y);
+ intersect.width = max(min(a.x + a.width, b.x + b.width) - intersect.x, 0);
+ intersect.height = max(min(a.y + a.height, b.y + b.height) - intersect.y, 0);
+
+ return intersect;
+}
--- /dev/null
+/*
+winnie - an experimental window system
+
+Copyright (C) 2013 Eleni Maria Stea
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+Author: Eleni Maria Stea <elene.mst@gmail.com>
+*/
+
+#ifndef GEOM_H_
+#define GEOM_H_
+
+struct Rect {
+ int x, y;
+ int width, height;
+
+ Rect();
+ Rect(int x, int y, int w, int h);
+};
+
+Rect rect_union(const Rect &a, const Rect &b);
+Rect rect_intersection(const Rect &a, const Rect &b);
+
+#endif // GEOM_H_
--- /dev/null
+/*
+winnie - an experimental window system
+
+Copyright (C) 2013 Eleni Maria Stea
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+Author: Eleni Maria Stea <elene.mst@gmail.com>
+*/
+
+#include <string.h>
+
+#include "geom.h"
+#include "gfx.h"
+
+void clear_screen(int r, int g, int b)
+{
+ Rect screen_rect = get_screen_size();
+ fill_rect(screen_rect, r, g, b);
+}
+
+void fill_rect(const Rect &rect, int r, int g, int b)
+{
+ Rect drect = rect;
+ Rect screen_rect = get_screen_size();
+ Rect clipping_rect = get_clipping_rect();
+
+ if(drect.x < clipping_rect.x) {
+ drect.width -= clipping_rect.x - drect.x;
+ drect.x = clipping_rect.x;
+ }
+
+ if(drect.y < clipping_rect.y) {
+ drect.height -= clipping_rect.y - drect.y;
+ drect.y = clipping_rect.y;
+ }
+
+ if(drect.x + drect.width >= clipping_rect.x + clipping_rect.width) {
+ drect.width = clipping_rect.width + clipping_rect.x - drect.x;
+ }
+
+ if(drect.y + drect.height >= clipping_rect.y + clipping_rect.height) {
+ drect.height = clipping_rect.height + clipping_rect.y - drect.y;
+ }
+
+ unsigned char *fb = get_framebuffer() + (drect.x + screen_rect.width * drect.y) * 4;
+ for(int i=0; i<drect.height; i++) {
+ for(int j=0; j<drect.width; j++) {
+ fb[j * 4] = b;
+ fb[j * 4 + 1] = g;
+ fb[j * 4 + 2] = r;
+ }
+ fb += screen_rect.width * 4;
+ }
+}
+
+void blit(unsigned char *src_img, const Rect &src_rect, unsigned char* dest_img,
+ const Rect &dest_rect, int dest_x, int dest_y)
+{
+ int red_offs, green_offs, blue_offs;
+ get_rgb_order(&red_offs, &green_offs, &blue_offs);
+
+ Rect irect = rect_intersection(get_clipping_rect(), dest_rect);
+
+ int width = src_rect.width;
+ int height = src_rect.height;
+
+ int xoffs = dest_x - irect.x;
+ if(xoffs < 0) {
+ dest_x = irect.x;
+ width += xoffs;
+ }
+
+ int yoffs = dest_y - irect.y;
+ if(yoffs < 0) {
+ dest_y = irect.y;
+ height += yoffs;
+ }
+
+ int xend = dest_x + width;
+ if(xend >= irect.width) {
+ width -= xend - irect.width;
+ }
+
+ int yend = dest_y + height;
+ if(yend >= irect.height) {
+ height -= yend - irect.height;
+ }
+
+ if(width <= 0 || height <= 0) {
+ return;
+ }
+
+ unsigned char *sptr = src_img + (src_rect.y * src_rect.width + src_rect.x) * 4;
+ unsigned char *dptr = dest_img + (dest_y * dest_rect.width + dest_x) * 4;
+
+ for(int i=0; i<height; i++) {
+ for(int j=0; j<width; j++) {
+ dptr[j * 4 + red_offs] = sptr[j * 4];
+ dptr[j * 4 + green_offs] = sptr[j * 4 + 1];
+ dptr[j * 4 + blue_offs] = sptr[j * 4 + 2];
+ }
+ sptr += src_rect.width * 4;
+ dptr += dest_rect.width * 4;
+ }
+}
+
+void blit_key(unsigned char *src_img, const Rect &src_rect, unsigned char* dest_img,
+ const Rect &dest_rect, int dest_x, int dest_y, int key_r, int key_g, int key_b)
+{
+ int red_offs, green_offs, blue_offs;
+ get_rgb_order(&red_offs, &green_offs, &blue_offs);
+
+ Rect irect = rect_intersection(get_clipping_rect(), dest_rect);
+
+ int width = src_rect.width;
+ int height = src_rect.height;
+
+ int xoffs = dest_x - irect.x;
+ if(xoffs < 0) {
+ dest_x = irect.x;
+ width += xoffs;
+ }
+
+ int yoffs = dest_y - irect.y;
+ if(yoffs < 0) {
+ dest_y = irect.y;
+ height += yoffs;
+ }
+
+ int xend = dest_x + width;
+ if(xend >= irect.width) {
+ width -= xend - irect.width;
+ }
+
+ int yend = dest_y + height;
+ if(yend >= irect.height) {
+ height -= yend - irect.height;
+ }
+
+ if(width <= 0 || height <= 0) {
+ return;
+ }
+
+ unsigned char *sptr = src_img + (src_rect.y * src_rect.width + src_rect.x) * 4;
+ unsigned char *dptr = dest_img + (dest_y * dest_rect.width + dest_x) * 4;
+
+ for(int i=0; i<height; i++) {
+ for(int j=0; j<width; j++) {
+ int r = sptr[j * 4];
+ int g = sptr[j * 4 + 1];
+ int b = sptr[j * 4 + 2];
+
+ if(r != key_r || g != key_g || b != key_b) {
+ dptr[j * 4 + red_offs] = r;
+ dptr[j * 4 + green_offs] = g;
+ dptr[j * 4 + blue_offs] = b;
+ }
+ }
+
+ sptr += src_rect.width * 4;
+ dptr += dest_rect.width * 4;
+ }
+}
--- /dev/null
+/*
+winnie - an experimental window system
+
+Copyright (C) 2013 Eleni Maria Stea
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+Author: Eleni Maria Stea <elene.mst@gmail.com>
+*/
+
+#ifndef GFX_H_
+#define GFX_H_
+
+#include "geom.h"
+#include "pixmap.h"
+
+bool init_gfx();
+void destroy_gfx();
+
+unsigned char *get_framebuffer();
+Pixmap *get_framebuffer_pixmap();
+
+Rect get_screen_size();
+int get_color_depth();
+
+void set_clipping_rect(const Rect &clip_rect);
+const Rect &get_clipping_rect();
+
+void clear_screen(int r, int g, int b);
+void fill_rect(const Rect &rect, int r, int g, int b);
+
+void set_cursor_visibility(bool visible);
+
+void blit(unsigned char *src_img, const Rect &src_rect, unsigned char* dest_img,
+ const Rect &dest_rect, int dest_x, int dest_y);
+
+void blit_key(unsigned char *src_img, const Rect &src_rect, unsigned char* dest_img,
+ const Rect &dest_rect, int dest_x, int dest_y, int key_r, int key_g, int key_b);
+
+void gfx_update(const Rect &rect);
+
+void wait_vsync(); // vertical synchronization
+
+void get_rgb_order(int *r, int *g, int *b);
+
+#endif //GFX_H_
--- /dev/null
+/*
+winnie - an experimental window system
+
+Copyright (C) 2013 Eleni Maria Stea
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+Author: Eleni Maria Stea <elene.mst@gmail.com>
+*/
+
+#ifndef KEYBOARD_H_
+#define KEYBOARD_H_
+
+bool init_keyboard();
+void destroy_keyboard();
+
+int get_keyboard_fd();
+void process_keyboard_event();
+
+#endif // KEYBOARD_H_
--- /dev/null
+/*
+winnie - an experimental window system
+
+Copyright (C) 2013 Eleni Maria Stea
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+Author: Eleni Maria Stea <elene.mst@gmail.com>
+*/
+
+#ifndef MOUSE_H_
+#define MOUSE_H_
+
+struct Rect;
+
+bool init_mouse();
+void destroy_mouse();
+
+void set_mouse_bounds(const Rect &rect);
+
+int get_mouse_fd();
+void process_mouse_event();
+
+void get_pointer_pos(int *x, int *y);
+int get_button_state();
+int get_button(int bn);
+
+#endif // MOUSE_H_
--- /dev/null
+/*
+winnie - an experimental window system
+
+Copyright (C) 2013 Eleni Maria Stea
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+Author: Eleni Maria Stea <elene.mst@gmail.com>
+*/
+
+#ifndef MOUSE_CURSOR_H_
+#define MOUSE_CURSOR_H_
+
+const int mouse_cursor_width = 8;
+const int mouse_cursor_height = 16;
+
+const int mouse_cursor_bw[] = {
+ 128, 128, 0, 0, 0, 0, 0, 0,
+ 128, 255, 128, 0, 0, 0, 0, 0,
+ 128, 255, 255, 128, 0, 0, 0, 0,
+ 128, 255, 255, 255, 128, 0, 0, 0,
+ 128, 255, 255, 255, 255, 128, 0, 0,
+ 128, 255, 255, 255, 255, 255, 128, 0,
+ 128, 255, 255, 255, 255, 255, 255, 128,
+ 128, 255, 255, 255, 255, 255, 128, 0,
+ 128, 255, 255, 255, 255, 128, 0, 0,
+ 128, 255, 255, 255, 255, 128, 0, 0,
+ 128, 255, 255, 255, 255, 255, 128, 0,
+ 128, 255, 255, 255, 255, 255, 128, 0,
+ 128, 255, 128, 128, 255, 255, 255, 128,
+ 128, 128, 0, 128, 255, 255, 255, 128,
+ 128, 0, 0, 0, 128, 255, 255, 128,
+ 0, 0, 0, 0, 0, 128, 128, 128
+};
+
+
+
+#endif // MOUSE_CURSOR_H_
--- /dev/null
+/*
+winnie - an experimental window system
+
+Copyright (C) 2013 Eleni Maria Stea
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+Author: Eleni Maria Stea <elene.mst@gmail.com>
+*/
+
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include "pixmap.h"
+
+Pixmap::Pixmap()
+{
+ width = height = 0;
+ pixels = 0;
+}
+
+Pixmap::Pixmap(const Pixmap &pixmap)
+{
+ width = height = 0;
+ pixels = 0;
+ set_image(pixmap.width, pixmap.height, pixmap.pixels);
+}
+
+Pixmap &Pixmap::operator=(const Pixmap &pixmap)
+{
+ if(this != &pixmap) {
+ set_image(pixmap.width, pixmap.height, pixmap.pixels);
+ }
+
+ return *this;
+}
+
+Pixmap::~Pixmap()
+{
+ if(pixels) {
+ delete [] pixels;
+ }
+}
+
+int Pixmap::get_width() const
+{
+ return width;
+}
+
+int Pixmap::get_height() const
+{
+ return height;
+}
+
+Rect Pixmap::get_rect() const
+{
+ Rect rect(0, 0, width, height);
+ return rect;
+}
+
+bool Pixmap::set_image(int x, int y, unsigned char *pix)
+{
+ delete [] pixels;
+
+ pixels = new unsigned char[x * y * 4];
+ width = x;
+ height = y;
+
+ if(pix) {
+ memcpy(pixels, pix, x * y * 4);
+ }
+ return true;
+}
+
+const unsigned char *Pixmap::get_image() const
+{
+ return pixels;
+}
+
+unsigned char *Pixmap::get_image()
+{
+ return pixels;
+}
+
+bool Pixmap::load(const char *fname)
+{
+ FILE *fp;
+ int hdrline = 0;
+
+ if(!(fp = fopen(fname, "rb"))) {
+ fprintf(stderr, "failed to open pixmap: %s: %s\n", fname, strerror(errno));
+ return false;
+ }
+
+ /* read ppm header */
+ while(hdrline < 3) {
+ char buf[64];
+
+ if(!fgets(buf, sizeof buf, fp))
+ goto err;
+
+ /* skip comments */
+ if(buf[0] == '#')
+ continue;
+
+ switch(hdrline++) {
+ case 0:
+ /* first header line should be P6 */
+ if(strcmp(buf, "P6\n") != 0)
+ goto err;
+ break;
+
+ case 1:
+ /* second header line contains the pixmap dimensions */
+ if(sscanf(buf, "%d %d", &width, &height) != 2)
+ goto err;
+ break;
+ }
+ }
+
+ set_image(width, height, 0);
+
+ for(int i=0; i<width * height * 4; i++) {
+ int c;
+ if(i % 4 != 3) {
+ c = fgetc(fp);
+ if(c < 0)
+ goto err;
+ }
+ else {
+ c = 255;
+ }
+ pixels[i] = c;
+ }
+ fclose(fp);
+ return true;
+
+err:
+ fprintf(stderr, "failed to load pixmap: %s\n", fname);
+ fclose(fp);
+ return false;
+}
+
+bool Pixmap::save(const char *fname) const
+{
+ if(!pixels) {
+ return false;
+ }
+
+ FILE *fp = fopen(fname, "wb");
+ if(!fp) {
+ fprintf(stderr, "failed to save pixmap: %s: %s\n", fname, strerror(errno));
+ return false;
+ }
+
+ fprintf(fp, "P6\n%d %d\n255\n", width, height);
+
+ for(int i=0; i<width * height; i++) {
+ fputc(pixels[i * 4], fp);
+ fputc(pixels[i * 4 + 1], fp);
+ fputc(pixels[i * 4 + 2], fp);
+ }
+
+ fclose(fp);
+ return true;
+}
--- /dev/null
+/*
+winnie - an experimental window system
+
+Copyright (C) 2013 Eleni Maria Stea
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+Author: Eleni Maria Stea <elene.mst@gmail.com>
+*/
+
+#ifndef PIXMAP_H_
+#define PIXMAP_H_
+
+#include "geom.h"
+
+class Pixmap {
+public:
+ int width, height;
+ unsigned char *pixels;
+
+ Pixmap();
+
+ Pixmap(const Pixmap &pixmap);
+ Pixmap &operator=(const Pixmap& pixmap);
+
+ ~Pixmap();
+
+ int get_width() const;
+ int get_height() const;
+ Rect get_rect() const;
+
+ bool set_image(int x, int y, unsigned char *pix = 0);
+ const unsigned char *get_image() const;
+ unsigned char *get_image();
+
+ bool load(const char *fname);
+ bool save(const char *fname) const;
+};
+
+#endif // PIXMAP_H_
--- /dev/null
+/*
+winnie - an experimental window system
+
+Copyright (C) 2013 Eleni Maria Stea
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+Author: Eleni Maria Stea <elene.mst@gmail.com>
+*/
+
+#ifdef WINNIE_SDL
+#include <stdlib.h>
+#include <SDL/SDL.h>
+
+#include "event.h"
+#include "keyboard.h"
+#include "mouse.h"
+#include "wm.h"
+
+SDL_Event sdl_event;
+void process_events()
+{
+ wm->process_windows();
+ if(!SDL_WaitEvent(&sdl_event)) {
+ return;
+ }
+
+ switch(sdl_event.type) {
+ case SDL_KEYDOWN:
+ case SDL_KEYUP:
+ process_keyboard_event();
+ break;
+ case SDL_MOUSEMOTION:
+ case SDL_MOUSEBUTTONDOWN:
+ case SDL_MOUSEBUTTONUP:
+ process_mouse_event();
+ break;
+ case SDL_QUIT:
+ exit(0);
+ default:
+ break;
+ }
+}
+
+#endif // WINNIE_SDL
--- /dev/null
+/*
+winnie - an experimental window system
+
+Copyright (C) 2013 Eleni Maria Stea
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+Author: Eleni Maria Stea <elene.mst@gmail.com>
+*/
+
+#ifdef WINNIE_SDL
+#include <stdio.h>
+#include <stdlib.h>
+#include <SDL/SDL.h>
+
+#include "gfx.h"
+#include "shalloc.h"
+#include "winnie.h"
+
+static SDL_Surface *fbsurf;
+
+struct Graphics {
+ Rect screen_rect;
+ Rect clipping_rect;
+ int color_depth; // bits per pixel
+ Pixmap *pixmap;
+};
+
+static Graphics *gfx;
+
+bool init_gfx()
+{
+ if(SDL_Init(SDL_INIT_VIDEO) == -1) {
+ fprintf(stderr, "failed to initialize SDL\n");
+ return false;
+ }
+
+ if(!(gfx = (Graphics*)sh_malloc(sizeof *gfx))) {
+ return false;
+ }
+
+ get_subsys()->graphics_offset = (int)((char*)gfx - (char*)get_pool());
+
+ Rect scr_rect(0, 0, 1024, 768);
+ gfx->screen_rect = scr_rect;
+ gfx->color_depth = 32;
+
+ if(!(fbsurf = SDL_SetVideoMode(gfx->screen_rect.width, gfx->screen_rect.height, gfx->color_depth, 0))) {
+ fprintf(stderr, "Failed to set video mode\n");
+ return false;
+ }
+ SDL_ShowCursor(0);
+
+ if(!(gfx->pixmap = (Pixmap*)sh_malloc(sizeof(Pixmap)))) {
+ fprintf(stderr, "Failed to allocate pixmap.\n");
+ return false;
+ }
+
+ gfx->pixmap->width = gfx->screen_rect.width;
+ gfx->pixmap->height = gfx->screen_rect.height;
+
+ int fbsize = gfx->pixmap->width * gfx->pixmap->height * gfx->color_depth / 8;
+ if(!(gfx->pixmap->pixels = (unsigned char*)sh_malloc(fbsize))) {
+ fprintf(stderr, "failed to allocate the pixmap framebuffer.\n");
+ return false;
+ }
+
+ set_clipping_rect(gfx->screen_rect);
+
+ return true;
+}
+
+void destroy_gfx()
+{
+ sh_free(gfx->pixmap->pixels);
+ gfx->pixmap->pixels = 0;
+ sh_free(gfx->pixmap);
+ sh_free(gfx);
+ SDL_Quit();
+}
+
+unsigned char *get_framebuffer()
+{
+ return gfx->pixmap->pixels;
+}
+
+Pixmap *get_framebuffer_pixmap()
+{
+ return gfx->pixmap;
+}
+
+Rect get_screen_size()
+{
+ return gfx->screen_rect;
+}
+
+int get_color_depth()
+{
+ return gfx->color_depth;
+}
+
+void set_clipping_rect(const Rect &rect)
+{
+ gfx->clipping_rect = rect_intersection(rect, get_screen_size());
+}
+
+const Rect &get_clipping_rect()
+{
+ return gfx->clipping_rect;
+}
+
+
+void set_cursor_visibility(bool visible)
+{
+}
+
+void gfx_update(const Rect &upd_rect)
+{
+ if(SDL_MUSTLOCK(fbsurf)) {
+ SDL_LockSurface(fbsurf);
+ }
+
+ Rect rect = rect_intersection(upd_rect, gfx->screen_rect);
+
+ unsigned char *sptr = gfx->pixmap->pixels + (rect.y * gfx->screen_rect.width + rect.x) * 4;
+ unsigned char *dptr = (unsigned char*)fbsurf->pixels + (rect.y * gfx->screen_rect.width + rect.x) * 4;
+
+ for(int i=0; i<rect.height; i++) {
+ memcpy(dptr, sptr, rect.width * 4);
+ sptr += gfx->screen_rect.width * 4;
+ dptr += gfx->screen_rect.width * 4;
+ }
+
+ if(SDL_MUSTLOCK(fbsurf)) {
+ SDL_UnlockSurface(fbsurf);
+ }
+ SDL_UpdateRect(fbsurf, rect.x, rect.y, rect.width, rect.height);
+}
+
+void wait_vsync()
+{
+}
+
+void get_rgb_order(int *r, int *g, int *b)
+{
+ *r = fbsurf->format->Rshift / 8;
+ *g = fbsurf->format->Gshift / 8;
+ *b = fbsurf->format->Bshift / 8;
+}
+
+#endif // WINNIE_SDL
--- /dev/null
+/*
+winnie - an experimental window system
+
+Copyright (C) 2013 Eleni Maria Stea
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+Author: Eleni Maria Stea <elene.mst@gmail.com>
+*/
+
+#ifdef WINNIE_SDL
+#include <SDL/SDL.h>
+
+#include "keyboard.h"
+#include "window.h"
+#include "wm.h"
+
+extern SDL_Event sdl_event;
+
+bool init_keyboard()
+{
+ return true;
+}
+
+void destroy_keyboard()
+{
+}
+
+int get_keyboard_fd()
+{
+ return -1;
+}
+
+void process_keyboard_event()
+{
+ int key = sdl_event.key.keysym.sym;
+
+ Window *focused_win = wm->get_focused_window();
+ if(focused_win) {
+ KeyboardFuncType keyb_callback = focused_win->get_keyboard_callback();
+ if(keyb_callback) {
+ bool pressed = sdl_event.key.state == SDL_PRESSED;
+ keyb_callback(focused_win, key, pressed);
+ }
+ }
+}
+#endif // WINNIE_SDL
--- /dev/null
+/*
+winnie - an experimental window system
+
+Copyright (C) 2013 Eleni Maria Stea
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+Author: Eleni Maria Stea <elene.mst@gmail.com>
+*/
+
+#ifdef WINNIE_SDL
+#include <SDL/SDL.h>
+
+#include "mouse.h"
+#include "shalloc.h"
+#include "wm.h"
+#include "window.h"
+#include "winnie.h"
+
+extern SDL_Event sdl_event;
+
+struct Mouse {
+ int pointer_x;
+ int pointer_y;
+ int bnstate;
+};
+
+static Mouse *mouse;
+
+bool init_mouse()
+{
+ if(!(mouse = (Mouse*)sh_malloc(sizeof *mouse))) {
+ return false;
+ }
+ get_subsys()->mouse_offset = (int)((char*)mouse - (char*)get_pool());
+
+ memset(mouse, 0, sizeof *mouse);
+ return true;
+}
+
+void destroy_mouse()
+{
+ sh_free(mouse);
+}
+
+void set_mouse_bounds(const Rect &rect)
+{
+}
+
+int get_mouse_fd()
+{
+ return -1;
+}
+
+void process_mouse_event()
+{
+ int bn;
+ MouseMotionFuncType motion_callback = 0;
+ MouseButtonFuncType button_callback = 0;
+
+ Window *win;
+ if(!(win = wm->get_grab_window())) {
+ win = wm->get_window_at_pos(mouse->pointer_x, mouse->pointer_y);
+ if(win) {
+ wm->set_focused_window(win);
+ }
+ else {
+ wm->set_focused_window(0);
+ }
+ }
+
+ switch(sdl_event.type) {
+ case SDL_MOUSEMOTION:
+ mouse->pointer_x = sdl_event.motion.x;
+ mouse->pointer_y = sdl_event.motion.y;
+ if(win && (motion_callback = win->get_mouse_motion_callback())) {
+ Rect rect = win->get_absolute_rect();
+ motion_callback(win, mouse->pointer_x - rect.x, mouse->pointer_y - rect.y);
+ }
+ break;
+
+ case SDL_MOUSEBUTTONUP:
+ case SDL_MOUSEBUTTONDOWN:
+ bn = sdl_event.button.button - SDL_BUTTON_LEFT;
+ if(sdl_event.button.state == SDL_PRESSED) {
+ mouse->bnstate |= 1 << bn;
+ }
+ else {
+ mouse->bnstate &= ~(1 << bn);
+ }
+ if(win && (button_callback = win->get_mouse_button_callback())) {
+ Rect rect = win->get_absolute_rect();
+ button_callback(win, bn, sdl_event.button.state, mouse->pointer_x - rect.x, mouse->pointer_y - rect.y);
+ }
+ }
+}
+
+void get_pointer_pos(int *x, int *y)
+{
+ *x = mouse->pointer_x;
+ *y = mouse->pointer_y;
+}
+
+int get_button_state()
+{
+ return mouse->bnstate;
+}
+
+int get_button(int bn)
+{
+ if(bn < 0 || bn >= 3) {
+ return 0;
+ }
+ return (mouse->bnstate & (1 << bn)) != 0;
+}
+#endif // WINNIE_SDL
--- /dev/null
+/*
+winnie - an experimental window system
+
+Copyright (C) 2013 Eleni Maria Stea
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+Author: Eleni Maria Stea <elene.mst@gmail.com>
+*/
+
+#ifndef SEMAPHORE_H_
+#define SEMAPHORE_H_
+
+bool init_semaphore();
+void destroy_semaphore();
+
+#endif // SEMAPHORE_H_
--- /dev/null
+/*
+winnie - an experimental window system
+
+Copyright (C) 2013 Eleni Maria Stea
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+Author: Eleni Maria Stea <elene.mst@gmail.com>
+*/
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+
+#include <errno.h>
+#include <fcntl.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+#include <map>
+
+#include "shalloc.h"
+
+#define SHMNAME "/winnie.shm"
+
+#define POOL_SIZE 16777216
+#define BLOCK_SIZE 512
+
+#define NUM_BLOCKS (POOL_SIZE / BLOCK_SIZE)
+#define BITMAP_SIZE (NUM_BLOCKS / 32)
+
+static bool is_allocated(int block_number);
+static int addr_to_block(unsigned char *addr);
+static unsigned char *block_to_addr(int block_number);
+static void alloc_blocks(int block_pos, int num_blocks);
+static void free_blocks(int block_pos, int num_blocks);
+
+static void print_stats();
+static int fd;
+
+static unsigned char *pool;
+static std::map<int, int> alloc_sizes; //starting block -> number of blocks
+
+// 0 means not allocated 1 means allocated
+static uint32_t bitmap[BITMAP_SIZE];
+
+struct Statistics {
+ int alloc_num;
+ int free_num;
+ int alloc_memsize;
+ int free_memsize;
+};
+
+static Statistics stats;
+
+bool init_shared_memory()
+{
+ if(((fd = shm_open(SHMNAME, O_RDWR | O_CREAT, S_IRWXU)) == -1)) {
+ fprintf(stderr, "Failed to open shared memory: %s\n", strerror(errno));
+ return false;
+ }
+ ftruncate(fd, POOL_SIZE);
+
+ if((pool = (unsigned char*)mmap(0, POOL_SIZE, PROT_READ | PROT_WRITE,
+ MAP_SHARED, fd, 0)) == (void*)-1) {
+ fprintf(stderr, "Failed to map shared memory: %s\n", strerror(errno));
+ }
+
+ shm_unlink(SHMNAME);
+
+ for(int i=0; i<BITMAP_SIZE; i++) {
+ bitmap[i] = 0;
+ }
+
+ alloc_sizes.clear();
+ memset(&stats, 0, sizeof stats);
+
+ return true;
+}
+
+void destroy_shared_memory()
+{
+ print_stats();
+ if(munmap(pool, POOL_SIZE) == -1) {
+ fprintf(stderr, "Failed to unmap shared memory: %s\n", strerror(errno));
+ }
+}
+
+void *sh_malloc(size_t bytes)
+{
+ if(!bytes) {
+ return 0;
+ }
+
+ int num_blocks = (bytes + BLOCK_SIZE - 1) / BLOCK_SIZE;
+
+ int free_block;
+ int ctr = 0;
+ for(int i=0; i<NUM_BLOCKS; i++) {
+ if(!is_allocated(i)) {
+ if(!ctr) {
+ free_block = i;
+ }
+ ctr++;
+ }
+ else {
+ ctr = 0;
+ }
+
+ if(ctr == num_blocks) {
+ alloc_blocks(free_block, num_blocks);
+ return block_to_addr(free_block);
+ }
+ }
+
+ return 0;
+}
+
+void sh_free(void *ptr)
+{
+ int block = addr_to_block((unsigned char*)ptr);
+ std::map<int, int>::iterator it;
+ if((it = alloc_sizes.find(block)) != alloc_sizes.end()) {
+ int num_blocks = it->second;
+ free_blocks(block, num_blocks);
+ alloc_sizes.erase(it);
+ }
+ else {
+ fprintf(stderr, "Attempt to free non-existent blocks from: %d\n", block);
+ }
+}
+
+void *get_pool()
+{
+ return (void*)pool;
+}
+
+static bool is_allocated(int block_number)
+{
+ int idx = block_number / 32;
+ int bit_num = block_number % 32;
+
+ if((bitmap[idx] >> bit_num) & 1) {
+ return true;
+ }
+
+ return false;
+}
+
+static int addr_to_block(unsigned char *addr)
+{
+ assert(addr >= pool);
+ assert(addr < pool + POOL_SIZE);
+
+ return (addr - pool) / BLOCK_SIZE;
+}
+
+static unsigned char *block_to_addr(int block_number)
+{
+ assert(block_number >= 0);
+ assert(block_number < NUM_BLOCKS);
+
+ return pool + block_number * BLOCK_SIZE;
+}
+
+static void alloc_blocks(int block_pos, int num_blocks)
+{
+ for(int i=0; i<num_blocks; i++) {
+ int block_number = i + block_pos;
+ int idx = block_number / 32;
+ int bit_num = block_number % 32;
+
+ bitmap[idx] |= ((uint32_t)1 << bit_num); // or pow(2, i)
+ }
+
+ alloc_sizes[block_pos] = num_blocks;
+
+ stats.alloc_num++;
+ stats.alloc_memsize += BLOCK_SIZE * num_blocks;
+}
+
+static void free_blocks(int block_pos, int num_blocks)
+{
+ for(int i=0; i<num_blocks; i++) {
+ int block_number = i + block_pos;
+ int idx = block_number / 32;
+ int bit_num = block_number % 32;
+
+ bitmap[idx] &= ~((uint32_t)1 << bit_num);
+ }
+
+ stats.free_num++;
+ stats.free_memsize += BLOCK_SIZE * num_blocks;
+}
+
+static void print_stats()
+{
+ printf("Total allocated memory: %d\n", stats.alloc_memsize);
+ printf("Total deallocated memory: %d\n", stats.free_memsize);
+ printf("Number of allocations: %d\n", stats.alloc_num);
+ printf("Number of deallocations: %d\n", stats.free_num);
+}
+
--- /dev/null
+/*
+winnie - an experimental window system
+
+Copyright (C) 2013 Eleni Maria Stea
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+Author: Eleni Maria Stea <elene.mst@gmail.com>
+*/
+
+#ifndef SHALLOC_H_
+#define SHALLOC_H_
+
+#include <cstring>
+
+bool init_shared_memory();
+void destroy_shared_memory();
+
+void *sh_malloc(size_t bytes);
+void sh_free(void *ptr);
+
+void *get_pool();
+
+#endif // SHALLOC_H_
--- /dev/null
+/*
+winnie - an experimental window system
+
+Copyright (C) 2013 Eleni Maria Stea
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+Author: Eleni Maria Stea <elene.mst@gmail.com>
+*/
+
+#include <ft2build.h>
+#include <freetype/freetype.h>
+
+#include "gfx.h"
+#include "shalloc.h"
+#include "text.h"
+#include "winnie.h"
+
+#define DPI 72
+#define FONT_PATH "/usr/share/fonts/truetype/ttf-dejavu/DejaVuSansMono.ttf"
+#define FONT_SIZE 16
+
+static int draw_glyph(Pixmap *pixmap, int x, int y, char c);
+
+struct Text {
+ FT_Library ft_lib;
+ FT_Face ft_face;
+ int text_x, text_y;
+ int text_color[3];
+};
+
+static Text *text;
+
+bool init_text()
+{
+ if(!(text = (Text*)sh_malloc(sizeof *text))) {
+ return false;
+ }
+
+ get_subsys()->text_offset = (int)((char*)text - (char*)get_pool());
+
+ if(FT_Init_FreeType(&text->ft_lib)) {
+ fprintf(stderr, "Failed to initialize the FreeType library!\n");
+ return false;
+ }
+
+ if(FT_New_Face(text->ft_lib, FONT_PATH, 0, &text->ft_face)) {
+ fprintf(stderr, "Failed to load font: %s\n", FONT_PATH);
+ return false;
+ }
+
+ if(FT_Set_Char_Size(text->ft_face, 0, FONT_SIZE * 64, DPI, DPI)) {
+ fprintf(stderr, "Failed to set font size\n");
+ return false;
+ }
+
+ set_text_color(255, 255, 255);
+
+ return true;
+}
+
+void destroy_text()
+{
+ sh_free(text);
+}
+
+void draw_text(const char *txt, Pixmap *pixmap)
+{
+ if(!pixmap) {
+ pixmap = get_framebuffer_pixmap();
+ }
+
+ while(*txt != 0) {
+ text->text_x += draw_glyph(pixmap, text->text_x, text->text_y, *txt);
+ txt++;
+ }
+}
+
+void set_text_position(int x, int y)
+{
+ text->text_x = x;
+ text->text_y = y;
+
+}
+
+void set_text_color(int r, int g, int b)
+{
+ text->text_color[0] = r;
+ text->text_color[1] = g;
+ text->text_color[2] = b;
+}
+
+static int draw_glyph(Pixmap *pixmap, int x, int y, char c)
+{
+ if(FT_Load_Char(text->ft_face, c, FT_LOAD_RENDER)) {
+ return 0;
+ }
+
+ x += text->ft_face->glyph->bitmap_left;
+ y -= text->ft_face->glyph->bitmap_top;
+
+ FT_Bitmap *ft_bmp = &text->ft_face->glyph->bitmap;
+ unsigned char *bmp_ptr = ft_bmp->buffer;
+ unsigned char *pxm_ptr = pixmap->get_image() + (pixmap->get_width() * y + x) * 4;
+
+ Rect clipping_rect = get_clipping_rect();
+
+ for(int i=0; i<ft_bmp->rows; i++) {
+ int dest_y = i + y;
+ if(dest_y >= clipping_rect.y + clipping_rect.height) {
+ break;
+ }
+
+ if(dest_y >= clipping_rect.y) {
+ for(int j=0; j<ft_bmp->width; j++) {
+ int dest_x = j + x;
+
+ if(dest_x >= clipping_rect.x + clipping_rect.width) {
+ break;
+ }
+
+ if(bmp_ptr[j] && dest_x >= clipping_rect.x) {
+ int a = (int)bmp_ptr[j];
+ pxm_ptr[4 * j] = (a * text->text_color[0] + pxm_ptr[4 * j] * (255 - a)) / 255;
+ pxm_ptr[4 * j + 1] = (a * text->text_color[1] + pxm_ptr[4 * j + 1] * (255 - a)) / 255;
+ pxm_ptr[4 * j + 2] = (a * text->text_color[2] + pxm_ptr[4 * j + 2] * (255 - a)) / 255;
+ }
+ }
+ }
+
+ pxm_ptr += 4 * pixmap->get_width();
+ bmp_ptr += ft_bmp->pitch;
+ }
+
+ return text->ft_face->glyph->advance.x >> 6;
+}
--- /dev/null
+/*
+winnie - an experimental window system
+
+Copyright (C) 2013 Eleni Maria Stea
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+Author: Eleni Maria Stea <elene.mst@gmail.com>
+*/
+
+#ifndef TEXT_H_
+#define TEXT_H_
+
+bool init_text();
+void destroy_text();
+
+void draw_text(const char *txt, Pixmap *pixmap = 0);
+void set_text_position(int x, int y);
+void set_text_color(int r, int g, int b);
+
+#endif // TEXT_H_
--- /dev/null
+/*
+winnie - an experimental window system
+
+Copyright (C) 2013 Eleni Maria Stea
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+Author: Eleni Maria Stea <elene.mst@gmail.com>
+*/
+
+#include <algorithm>
+#include <stdio.h> //TODO
+#include <string.h>
+
+#include "gfx.h"
+#include "window.h"
+#include "wm.h"
+
+Window::Window()
+{
+ parent = 0;
+ title = 0;
+ rect.x = rect.y = 0;
+ rect.width = rect.height = 128;
+ memset(&callbacks, 0, sizeof callbacks);
+ dirty = true;
+ managed = true;
+ focusable = true;
+ state = STATE_NORMAL;
+}
+
+Window::~Window()
+{
+ for(size_t i=0; i<children.size(); i++) {
+ wm->remove_window(children[i]);
+ delete children[i];
+ }
+
+ delete [] title;
+}
+
+const Rect &Window::get_rect() const
+{
+ return rect;
+}
+
+Rect Window::get_absolute_rect() const
+{
+ if(!parent) {
+ return rect;
+ }
+
+ Rect absolute_rect;
+ absolute_rect = parent->get_absolute_rect();
+
+ absolute_rect.x += rect.x;
+ absolute_rect.y += rect.y;
+ absolute_rect.width = rect.width;
+ absolute_rect.height = rect.height;
+
+ return absolute_rect;
+}
+
+bool Window::contains_point(int ptr_x, int ptr_y)
+{
+ Rect abs_rect = get_absolute_rect();
+ return ptr_x >= abs_rect.x && ptr_x < abs_rect.x + abs_rect.width &&
+ ptr_y >= abs_rect.y && ptr_y < abs_rect.y + abs_rect.height;
+}
+
+void Window::move(int x, int y)
+{
+ invalidate(); // moved, should redraw, MUST BE CALLED FIRST
+ rect.x = x;
+ rect.y = y;
+}
+
+void Window::resize(int x, int y)
+{
+ invalidate(); // resized, should redraw, MUST BE CALLED FIRST
+ rect.width = x;
+ rect.height = y;
+}
+
+void Window::set_title(const char *s)
+{
+ delete [] title;
+
+ title = new char[strlen(s) + 1];
+ strcpy(title, s);
+}
+
+const char *Window::get_title() const
+{
+ return title;
+}
+
+void Window::invalidate()
+{
+ dirty = true;
+ Rect abs_rect = get_absolute_rect();
+ wm->invalidate_region(abs_rect);
+}
+
+void Window::draw(Rect *dirty_region)
+{
+ Rect abs_rect = get_absolute_rect();
+ Rect intersect = rect_intersection(abs_rect, *dirty_region);
+ if(intersect.width && intersect.height) {
+ Rect prev_clip = get_clipping_rect();
+ set_clipping_rect(abs_rect);
+
+ if(callbacks.display) {
+ callbacks.display(this);
+ }
+ dirty = false;
+
+ draw_children(abs_rect);
+
+ *dirty_region = rect_union(*dirty_region, abs_rect);
+ set_clipping_rect(prev_clip);
+ }
+}
+
+void Window::draw_children(const Rect &dirty_region)
+{
+ Rect drect = dirty_region;
+ for(size_t i=0; i<children.size(); i++) {
+ children[i]->draw(&drect);
+ }
+}
+
+unsigned char *Window::get_win_start_on_fb()
+{
+ unsigned char *fb = get_framebuffer();
+ Rect abs_rect = get_absolute_rect();
+ return fb + get_color_depth() * (get_screen_size().x * abs_rect.y + abs_rect.x) / 8;
+}
+
+int Window::get_scanline_width()
+{
+ return get_screen_size().x;
+}
+
+void Window::set_managed(bool managed)
+{
+ this->managed = managed;
+}
+
+bool Window::get_managed() const
+{
+ return managed;
+}
+
+void Window::set_focusable(bool focusable)
+{
+ this->focusable = focusable;
+}
+
+bool Window::get_focusable() const
+{
+ return focusable;
+}
+
+bool Window::get_dirty() const
+{
+ return dirty;
+}
+
+void Window::set_display_callback(DisplayFuncType func)
+{
+ callbacks.display = func;
+}
+
+void Window::set_keyboard_callback(KeyboardFuncType func)
+{
+ callbacks.keyboard = func;
+}
+
+void Window::set_mouse_button_callback(MouseButtonFuncType func)
+{
+ callbacks.button = func;
+}
+
+void Window::set_mouse_motion_callback(MouseMotionFuncType func)
+{
+ callbacks.motion = func;
+}
+
+const DisplayFuncType Window::get_display_callback() const
+{
+ return callbacks.display;
+}
+
+const KeyboardFuncType Window::get_keyboard_callback() const
+{
+ return callbacks.keyboard;
+}
+
+const MouseButtonFuncType Window::get_mouse_button_callback() const
+{
+ return callbacks.button;
+}
+
+const MouseMotionFuncType Window::get_mouse_motion_callback() const
+{
+ return callbacks.motion;
+}
+
+void Window::add_child(Window *win)
+{
+ children.push_back(win);
+ if(win->parent) {
+ win->parent->remove_child(win);
+ }
+ win->parent = this;
+}
+
+void Window::remove_child(Window *win)
+{
+ std::vector<Window*>::iterator it;
+ it = std::find(children.begin(), children.end(), win);
+ if(it != children.end()) {
+ children.erase(it);
+ win->parent = 0;
+ }
+}
+
+Window **Window::get_children()
+{
+ if(children.empty()) {
+ return 0;
+ }
+ return &children[0];
+}
+
+int Window::get_children_count() const
+{
+ return (int)children.size();
+}
+
+const Window *Window::get_parent() const
+{
+ return parent;
+}
+
+Window *Window::get_parent()
+{
+ return parent;
+}
+
+void Window::set_state(State state)
+{
+ this->state = state;
+}
+
+Window::State Window::get_state() const
+{
+ return state;
+}
--- /dev/null
+/*
+winnie - an experimental window system
+
+Copyright (C) 2013 Eleni Maria Stea
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+Author: Eleni Maria Stea <elene.mst@gmail.com>
+*/
+
+#ifndef WINDOW_H_
+#define WINDOW_H_
+
+#include <vector>
+
+#include "geom.h"
+#include "event.h"
+
+class Window {
+public:
+ enum State {STATE_NORMAL, STATE_MINIMIZED, STATE_MAXIMIZED, STATE_SHADED};
+
+private:
+ char *title;
+ State state;
+
+ Rect rect;
+ Rect normal_rect; // normal state rectangle managed by the wm
+
+ Callbacks callbacks;
+
+ std::vector<Window*> children;
+ Window* parent;
+
+ bool dirty;
+ bool managed; // whether the wm manages (+decorates) this win
+ bool focusable;
+
+public:
+ Window();
+ ~Window();
+
+ const Rect &get_rect() const;
+ Rect get_absolute_rect() const;
+ bool contains_point(int ptr_x, int ptr_y);
+
+ void move(int x, int y);
+ void resize(int x, int y);
+
+ void set_title(const char *s);
+ const char *get_title() const;
+
+ /* mark this window as dirty, and notify the window manager
+ * to repaint it, and anything it used to cover.
+ */
+ void invalidate();
+
+ void draw(Rect *dirty_region);
+ void draw_children(const Rect &dirty_region);
+
+ unsigned char *get_win_start_on_fb();
+ int get_scanline_width();
+
+ void set_managed(bool managed);
+ bool get_managed() const;
+
+ void set_focusable(bool focusable);
+ bool get_focusable() const;
+
+ bool get_dirty() const;
+
+ void set_display_callback(DisplayFuncType func);
+ void set_keyboard_callback(KeyboardFuncType func);
+ void set_mouse_button_callback(MouseButtonFuncType func);
+ void set_mouse_motion_callback(MouseMotionFuncType func);
+
+ const DisplayFuncType get_display_callback() const;
+ const KeyboardFuncType get_keyboard_callback() const;
+ const MouseButtonFuncType get_mouse_button_callback() const;
+ const MouseMotionFuncType get_mouse_motion_callback() const;
+
+ // win hierarchy
+ void add_child(Window *win);
+ void remove_child(Window *win);
+
+ Window **get_children();
+ int get_children_count() const;
+
+ const Window *get_parent() const;
+ Window *get_parent();
+
+ void set_state(State state);
+ State get_state() const;
+
+ // XXX remove if not needed
+ friend class WindowManager;
+};
+
+#endif // WINDOW_H_
--- /dev/null
+/*
+winnie - an experimental window system
+
+Copyright (C) 2013 Eleni Maria Stea
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+Author: Eleni Maria Stea <elene.mst@gmail.com>
+*/
+
+#include <sys/time.h>
+
+#include "keyboard.h"
+#include "mouse.h"
+#include "shalloc.h"
+#include "winnie.h"
+
+static Subsys *subsys;
+
+bool winnie_init()
+{
+ if(!init_shared_memory()) {
+ return false;
+ }
+
+ if(!(subsys = (Subsys*)sh_malloc(sizeof *subsys))) {
+ return false;
+ }
+
+ if(!init_gfx()) {
+ return false;
+ }
+
+ if(!init_window_manager()) {
+ return false;
+ }
+
+ if(!init_keyboard()) {
+ return false;
+ }
+
+ if(!init_mouse()) {
+ return false;
+ }
+
+ if(!init_text()) {
+ return false;
+ }
+
+ wm->invalidate_region(get_screen_size());
+ return true;
+}
+
+void winnie_shutdown()
+{
+ destroy_gfx();
+ destroy_keyboard();
+ destroy_mouse();
+ destroy_text();
+ destroy_window_manager();
+
+ sh_free(subsys);
+
+ destroy_shared_memory();
+}
+
+long winnie_get_time()
+{
+ static struct timeval init_tv;
+ struct timeval tv;
+
+ gettimeofday(&tv, 0);
+
+ if(!tv.tv_sec && !tv.tv_usec) {
+ init_tv = tv;
+ return 0;
+ }
+
+ return (tv.tv_usec - init_tv.tv_usec) / 1000 + (tv.tv_sec - init_tv.tv_sec) * 1000;
+}
+
+Subsys *get_subsys()
+{
+ return subsys;
+}
--- /dev/null
+/*
+winnie - an experimental window system
+
+Copyright (C) 2013 Eleni Maria Stea
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+Author: Eleni Maria Stea <elene.mst@gmail.com>
+*/
+
+#ifndef WINNIE_H_
+#define WINNIE_H_
+
+#include "event.h"
+#include "geom.h"
+#include "gfx.h"
+#include "keyboard.h"
+#include "mouse.h"
+#include "text.h"
+#include "window.h"
+#include "wm.h"
+
+struct Subsys {
+ int graphics_offset;
+ int keyboard_offset;
+ int mouse_offset;
+ int text_offset;
+ int wm_offset;
+};
+
+bool winnie_init();
+void winnie_shutdown();
+
+long winnie_get_time();
+
+Subsys *get_subsys();
+
+#endif
--- /dev/null
+/*
+winnie - an experimental window system
+
+Copyright (C) 2013 Eleni Maria Stea
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+Author: Eleni Maria Stea <elene.mst@gmail.com>
+*/
+
+#include <algorithm>
+#include <limits.h>
+#include <stdexcept>
+#include <stdio.h> // TODO
+
+#include "gfx.h"
+#include "mouse.h"
+#include "mouse_cursor.h"
+#include "shalloc.h"
+#include "text.h"
+#include "window.h"
+#include "winnie.h"
+#include "wm.h"
+
+#define DCLICK_INTERVAL 400
+
+WindowManager *wm;
+
+static void display(Window *win);
+static void mouse(Window *win, int bn, bool pressed, int x, int y);
+static void motion(Window *win, int x, int y);
+
+bool init_window_manager()
+{
+ void *wm_mem;
+ if(!(wm_mem = sh_malloc(sizeof *wm))) {
+ return false;
+ }
+
+ wm = new (wm_mem) WindowManager;
+
+ get_subsys()->wm_offset = (int)((char*)wm - (char*)get_pool());
+
+ return true;
+}
+
+void destroy_window_manager()
+{
+ wm->~WindowManager();
+ sh_free(wm);
+}
+
+void WindowManager::create_frame(Window *win)
+{
+ Window *frame = new Window;
+ Window *parent = win->get_parent();
+
+ frame->set_display_callback(display);
+ frame->set_mouse_button_callback(mouse);
+ frame->set_mouse_motion_callback(motion);
+ frame->set_focusable(false);
+ frame->add_child(win);
+
+ windows.push_back(frame);
+
+ Rect win_rect = win->get_rect();
+ frame->move(win_rect.x - frame_thickness,
+ win_rect.y - frame_thickness - titlebar_thickness);
+ frame->resize(win_rect.width + frame_thickness * 2,
+ win_rect.height + frame_thickness * 2 + titlebar_thickness);
+
+ win->move(frame_thickness, frame_thickness + titlebar_thickness);
+ parent->add_child(frame);
+}
+
+void WindowManager::destroy_frame(Window *win)
+{
+ Window *frame = win->parent;
+ if(!frame) {
+ return;
+ }
+
+ if(grab_win == win) {
+ release_mouse();
+ }
+
+ std::list<Window*>::iterator it;
+ it = std::find(windows.begin(), windows.end(), frame);
+ if(it != windows.end()) {
+ root_win->add_child(win);
+ windows.erase(it);
+ delete frame;
+ }
+}
+
+WindowManager::WindowManager()
+{
+ if(!wm) {
+ wm = this;
+ } else {
+ throw std::runtime_error("Trying to create a second instance of WindowManager!\n");
+ }
+
+ root_win = new Window;
+ root_win->resize(get_screen_size().width, get_screen_size().height);
+ root_win->move(0, 0);
+ root_win->set_managed(false);
+
+ grab_win = 0;
+ focused_win = 0;
+ background = 0;
+
+ bg_color[0] = 210;
+ bg_color[1] = 106;
+ bg_color[2] = 106;
+
+ frame_thickness = 8;
+ titlebar_thickness = 16;
+
+ set_focused_frame_color(0, 0, 0);
+ set_unfocused_frame_color(200, 200, 200);
+
+ mouse_cursor.set_image(mouse_cursor_width, mouse_cursor_height);
+ unsigned char *pixels = mouse_cursor.get_image();
+
+ for(int i=0; i<mouse_cursor_height; i++) {
+ for(int j=0; j<mouse_cursor_width; j++) {
+ int val = mouse_cursor_bw[i * mouse_cursor_width + j];
+ *pixels++ = val;
+ *pixels++ = val;
+ *pixels++ = val;
+ *pixels++ = 255;
+ }
+ }
+}
+
+WindowManager::~WindowManager()
+{
+ delete root_win;
+}
+
+void WindowManager::invalidate_region(const Rect &rect)
+{
+ dirty_rects.push_back(rect);
+}
+
+void WindowManager::process_windows()
+{
+ if(dirty_rects.empty()) {
+ return;
+ }
+
+ std::list<Rect>::iterator drit = dirty_rects.begin();
+ Rect uni = *drit++;
+ while(drit != dirty_rects.end()) {
+ uni = rect_union(uni, *drit++);
+ }
+ dirty_rects.clear();
+
+ wait_vsync();
+
+ if(!background) {
+ fill_rect(uni, bg_color[0], bg_color[1], bg_color[2]);
+ }
+ else {
+ blit(background->pixels, Rect(0, 0, background->width, background->height),
+ get_framebuffer(), get_screen_size(), 0, 0);
+ }
+
+ root_win->draw_children(uni);
+
+ // draw mouse cursor
+ int mouse_x, mouse_y;
+ get_pointer_pos(&mouse_x, &mouse_y);
+
+ blit_key(mouse_cursor.get_image(), mouse_cursor.get_rect(),
+ get_framebuffer(), get_screen_size(), mouse_x, mouse_y,
+ 0, 0, 0);
+
+ Rect mouse_rect(mouse_x, mouse_y, mouse_cursor.get_width(), mouse_cursor.get_height());
+ invalidate_region(mouse_rect);
+
+ gfx_update(uni);
+}
+
+void WindowManager::add_window(Window *win)
+{
+ if(!win || win == root_win) {
+ return;
+ }
+
+ root_win->add_child(win);
+
+ if(windows.empty()) {
+ focused_win = win;
+ }
+
+ if(win->get_managed()) {
+ create_frame(win);
+ }
+
+ windows.push_back(win);
+}
+
+void WindowManager::remove_window(Window *win)
+{
+ std::list<Window*>::iterator it;
+ it = std::find(windows.begin(), windows.end(), win);
+
+ if(it != windows.end()) {
+ windows.erase(it);
+ }
+}
+
+void WindowManager::set_focused_window(Window *win)
+{
+ if(win && win == focused_win) {
+ return;
+ }
+
+ Window *parent;
+ if(focused_win) {
+ // invalidate the frame (if any)
+ parent = focused_win->get_parent();
+ if(parent && parent != root_win) {
+ parent->invalidate();
+ fill_rect(parent->get_absolute_rect(), frame_ucolor[0], frame_ucolor[1], frame_ucolor[2]);
+ }
+ }
+
+ if(!win) {
+ focused_win = 0;
+ return;
+ }
+
+ if(win->get_focusable()) {
+ focused_win = win;
+ parent = focused_win->get_parent();
+ fill_rect(parent->get_absolute_rect(), frame_fcolor[0], frame_fcolor[1], frame_fcolor[2]);
+ return;
+ }
+
+ Window **children = win->get_children();
+ for(int i=0; i<win->get_children_count(); i++) {
+ if(children[0]->get_focusable()) {
+ set_focused_window(children[0]);
+ fill_rect(win->get_absolute_rect(), frame_fcolor[0], frame_fcolor[1], frame_fcolor[2]);
+ return;
+ }
+ }
+
+ focused_win = 0;
+}
+
+const Window *WindowManager::get_focused_window() const
+{
+ return focused_win;
+}
+
+Window *WindowManager::get_focused_window()
+{
+ return focused_win;
+}
+
+Window *WindowManager::get_window_at_pos(int pointer_x, int pointer_y)
+{
+ Window *root_win = wm->get_root_window();
+ Window **children = root_win->get_children();
+ for(int i=root_win->get_children_count() - 1; i>=0; i--) {
+ if(children[i]->contains_point(pointer_x, pointer_y)) {
+ return children[i];
+ }
+ }
+
+ return 0;
+}
+
+Window *WindowManager::get_root_window() const
+{
+ return root_win;
+}
+
+void WindowManager::set_focused_frame_color(int r, int g, int b)
+{
+ frame_fcolor[0] = r;
+ frame_fcolor[1] = g;
+ frame_fcolor[2] = b;
+}
+
+void WindowManager::get_focused_frame_color(int *r, int *g, int *b) const
+{
+ *r = frame_fcolor[0];
+ *g = frame_fcolor[1];
+ *b = frame_fcolor[2];
+}
+
+void WindowManager::set_unfocused_frame_color(int r, int g, int b)
+{
+ frame_ucolor[0] = r;
+ frame_ucolor[1] = g;
+ frame_ucolor[2] = b;
+}
+
+void WindowManager::get_unfocused_frame_color(int *r, int *g, int *b) const
+{
+ *r = frame_ucolor[0];
+ *g = frame_ucolor[1];
+ *b = frame_ucolor[2];
+}
+
+void WindowManager::set_background(const Pixmap *pixmap)
+{
+ if(background) {
+ delete background;
+ }
+
+ if(pixmap) {
+ background = new Pixmap(*pixmap);
+ }
+ else {
+ background = 0;
+ }
+}
+
+const Pixmap *WindowManager::get_background() const
+{
+ return background;
+}
+
+Window *WindowManager::get_grab_window() const
+{
+ return grab_win;
+}
+
+void WindowManager::grab_mouse(Window *win)
+{
+ grab_win = win;
+}
+
+void WindowManager::release_mouse()
+{
+ grab_win = 0;
+}
+
+void WindowManager::raise_window(Window *win)
+{
+ if(!win) {
+ return;
+ }
+
+ Window *parent = win->get_parent();
+ if(parent != root_win) {
+ if(parent->get_parent() == root_win) {
+ win = parent;
+ }
+ else {
+ return;
+ }
+ }
+
+ root_win->remove_child(win);
+ root_win->add_child(win);
+}
+
+void WindowManager::sink_window(Window *win)
+{
+ if(!win) {
+ return;
+ }
+
+ std::list<Window*>::iterator it;
+ it = std::find(windows.begin(), windows.end(), win);
+ if(it != windows.end()) {
+ windows.erase(it);
+ windows.push_front(win);
+ }
+}
+
+void WindowManager::maximize_window(Window *win)
+{
+ win->normal_rect = win->rect;
+
+ Rect rect = get_screen_size();
+
+ Window *frame;
+ if((frame = win->get_parent())) {
+ frame->normal_rect = frame->rect;
+ frame->resize(rect.width, rect.height);
+ frame->move(rect.x, rect.y);
+
+ rect.width -= frame_thickness * 2;
+ rect.height -= frame_thickness * 2 + titlebar_thickness;
+ }
+ else {
+ win->move(0, 0);
+ }
+
+ win->resize(rect.width, rect.height);
+ win->set_state(Window::STATE_MAXIMIZED);
+}
+
+void WindowManager::unmaximize_window(Window *win)
+{
+ win->resize(win->normal_rect.width, win->normal_rect.height);
+ win->move(win->normal_rect.x, win->normal_rect.y);
+
+ Window *frame;
+ if((frame = win->get_parent())) {
+ frame->resize(frame->normal_rect.width, frame->normal_rect.height);
+ frame->move(frame->normal_rect.x, frame->normal_rect.y);
+ }
+
+ win->set_state(Window::STATE_NORMAL);
+}
+
+static void display(Window *win)
+{
+ //frame display:
+ Window *child = win->get_children()[0];
+ int r, g, b;
+ Rect abs_rect = win->get_absolute_rect();
+
+ //TODO 5 not hardcoded
+ set_text_position(abs_rect.x + 5, abs_rect.y + 15);
+ set_text_color(255, 255, 255);
+
+ if(child == wm->get_focused_window()) {
+ wm->get_focused_frame_color(&r, &g, &b);
+ fill_rect(abs_rect, r, g, b);
+ }
+ else {
+ wm->get_unfocused_frame_color(&r, &g, &b);
+ fill_rect(win->get_absolute_rect(), r, g, b);
+ }
+
+ draw_text(child->get_title());
+}
+
+static int prev_x, prev_y;
+
+static void mouse(Window *win, int bn, bool pressed, int x, int y)
+{
+ static long last_click = 0;
+
+ if(bn == 0) {
+ if(pressed) {
+ wm->grab_mouse(win);
+ wm->raise_window(win);
+ prev_x = x;
+ prev_y = y;
+ }
+ else {
+ long time = winnie_get_time();
+ if((time - last_click) < DCLICK_INTERVAL) {
+ Window *child = win->get_children()[0];
+ Window::State state = child->get_state();
+ if(state == Window::STATE_MAXIMIZED) {
+ wm->unmaximize_window(child);
+ }
+ else if(state == Window::STATE_NORMAL) {
+ wm->maximize_window(child);
+ }
+ }
+ last_click = time;
+
+ wm->release_mouse();
+ }
+ }
+}
+
+static void motion(Window *win, int x, int y)
+{
+ int left_bn = get_button(0);
+
+ if(left_bn) {
+ int dx = x - prev_x;
+ int dy = y - prev_y;
+ prev_x = x - dx;
+ prev_y = y - dy;
+
+ if(win->get_children()[0]->get_state() != Window::STATE_MAXIMIZED) {
+ Rect rect = win->get_rect();
+ win->move(rect.x + dx, rect.y + dy);
+ }
+ }
+}
--- /dev/null
+/*
+winnie - an experimental window system
+
+Copyright (C) 2013 Eleni Maria Stea
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+Author: Eleni Maria Stea <elene.mst@gmail.com>
+*/
+
+#ifndef WM_H_
+#define WM_H_
+
+#include <list>
+
+#include "geom.h"
+#include "pixmap.h"
+#include "winnie.h"
+
+class Window;
+
+bool init_window_manager();
+void destroy_window_manager();
+
+class WindowManager {
+private:
+ std::list<Window*> windows;
+
+ std::list<Rect> dirty_rects;
+
+ int bg_color[3];
+ int frame_thickness;
+ int titlebar_thickness;
+ int frame_fcolor[3];
+ int frame_ucolor[3];
+
+ Window *root_win;
+ Window *focused_win;
+ Window *grab_win;
+
+ Pixmap mouse_cursor;
+ Pixmap *background;
+
+ void create_frame(Window *win);
+ void destroy_frame(Window *win);
+
+public:
+ WindowManager();
+ ~WindowManager();
+
+ void invalidate_region(const Rect &rect);
+ void process_windows();
+
+ void add_window(Window *win);
+ void remove_window(Window *win);
+
+ void set_focused_window(Window *win);
+ const Window *get_focused_window() const;
+ Window *get_focused_window();
+
+ Window *get_window_at_pos(int pointer_x, int pointer_y);
+ Window *get_root_window() const;
+
+ void set_focused_frame_color(int r, int g, int b);
+ void get_focused_frame_color(int *r, int *g, int *b) const;
+
+ void set_unfocused_frame_color(int r, int g, int b);
+ void get_unfocused_frame_color(int *r, int *g, int *b) const;
+
+ void set_background(const Pixmap *pixmap);
+ const Pixmap *get_background() const;
+
+ Window *get_grab_window() const;
+
+ void grab_mouse(Window *win);
+ void release_mouse();
+
+ void raise_window(Window *win);
+ void sink_window(Window *win);
+
+ void maximize_window(Window *win);
+ void unmaximize_window(Window *win);
+};
+
+extern WindowManager *wm;
+
+#endif // WM_H_
--- /dev/null
+src = $(wildcard src/*.cc) $(wildcard src/fbdev/*.cc) $(wildcard src/sdl/*.cc)
+obj = $(src:.cc=.o)
+dep = $(obj:.o=.d)
+bin = wserver
+
+dbg = -g
+opt = -O0
+inc = -Isrc -I../libwinnie/src
+
+backend = SDL
+
+ifeq ($(backend), SDL)
+ def = -DWINNIE_SDL
+ libs = -lSDL
+else
+ def = -DWINNIE_FBDEV
+endif
+
+CXX = g++
+CXXFLAGS = -pedantic -Wall $(dbg) $(opt) $(inc) $(def) `freetype-config --cflags`
+LDFLAGS = -L../libwinnie/ $(libs) `freetype-config --libs` -lrt -lwinnie
+
+$(bin): $(obj)
+ $(CXX) -o $@ $(obj) $(LDFLAGS) -Wl,-rpath=../libwinnie
+
+-include $(dep)
+
+%.d: %.cc
+ @$(CPP) $(CXXFLAGS) $< -MM -MT $(@:.d=.o) >$@
+
+.PHONY: clean
+clean:
+ rm -f $(obj) $(bin) $(dep)
+
--- /dev/null
+/*
+winnie - an experimental window system
+
+Copyright (C) 2013 Eleni Maria Stea
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+Author: Eleni Maria Stea <elene.mst@gmail.com>
+*/
+
+The winnie server application.
--- /dev/null
+/*
+winnie - an experimental window system
+
+Copyright (C) 2013 Eleni Maria Stea
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+Author: Eleni Maria Stea <elene.mst@gmail.com>
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "winnie.h"
+
+static void display(Window *win);
+static void keyboard(Window *win, int key, bool pressed);
+static void button(Window *win, int bn, bool pressed, int x, int y);
+static void motion(Window *win, int x, int y);
+static void cleanup();
+
+int main()
+{
+ if(!winnie_init()) {
+ exit(1);
+ }
+
+ atexit(cleanup);
+
+ Window *win1 = new Window;
+ win1->set_title("Clipping the win title");
+ win1->move(200, 100);
+ win1->resize(200, 300);
+ win1->set_display_callback(display);
+ win1->set_keyboard_callback(keyboard);
+ win1->set_mouse_button_callback(button);
+ win1->set_mouse_motion_callback(motion);
+
+ Window *win2 = new Window;
+ win2->set_title("window 2");
+ win2->move(300, 100);
+ win2->resize(200, 300);
+ win2->set_display_callback(display);
+ win2->set_keyboard_callback(keyboard);
+ win2->set_mouse_button_callback(button);
+ win2->set_mouse_motion_callback(motion);
+
+ wm->add_window(win1);
+ wm->add_window(win2);
+
+ Pixmap bg;
+ if(!(bg.load("data/bg.ppm"))) {
+ fprintf(stderr, "failed to load pixmap\n");
+ }
+
+ wm->set_background(&bg);
+
+ while(1) {
+ process_events();
+ }
+}
+
+static void display(Window *win)
+{
+ fill_rect(win->get_absolute_rect(), 128, 128, 128);
+}
+
+static void keyboard(Window *win, int key, bool pressed)
+{
+ switch(key) {
+ case 'q':
+ exit(0);
+ }
+}
+
+static void button(Window *win, int bn, bool pressed, int x, int y)
+{
+ printf("WINDOW(%p) button %d %s\n", (void*)win, bn, pressed ? "press" : "release");
+}
+
+static void motion(Window *win, int x, int y)
+{
+ printf("WINDOW(%p) motion %d %d\n", (void*)win, x, y);
+}
+
+static void cleanup()
+{
+ winnie_shutdown();
+}