+#include <algorithm>
#include <stdexcept>
+#include <stdio.h> // TODO
+
#include "gfx.h"
#include "wm.h"
#include "window.h"
+#include "mouse.h"
+#include "mouse_cursor.h"
WindowManager *wm;
static WindowManager wminst;
+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);
+
+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) {
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);
+
focused_win = 0;
bg_color[0] = 210;
bg_color[1] = 106;
bg_color[2] = 106;
+
+ frame_thickness = 8;
+ titlebar_thickness = 16;
+
+ frame_fcolor[0] = frame_fcolor[1] = frame_fcolor[2] = 142;
+ frame_ucolor[0] = frame_ucolor[1] = frame_ucolor[2] = 210;
+
+ 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.clear();
+ wait_vsync();
+
fill_rect(uni, bg_color[0], bg_color[1], bg_color[2]);
-
- std::list<Window*>::iterator it = windows.begin();
- while(it != windows.end()) {
- Rect intersect = rect_intersection((*it)->rect, uni);
- if(intersect.width && intersect.height) {
- (*it)->draw();
- }
- it++;
- }
+
+ 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();
}
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)
{
- focused_win = win;
+ if(win && win == focused_win) {
+ return;
+ }
+
+ if(focused_win) {
+ // invalidate the frame (if any)
+ Window *parent = focused_win->get_parent();
+ if(parent && parent != root_win) {
+ parent->invalidate();
+ }
+ }
+
+ if(!win) {
+ focused_win = 0;
+ return;
+ }
+
+ if(win->get_focusable()) {
+ focused_win = win;
+ 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]);
+ return;
+ }
+ }
+
+ focused_win = 0;
}
const Window *WindowManager::get_focused_window() const
Window *WindowManager::get_window_at_pos(int pointer_x, int pointer_y)
{
- Window *win = 0;
std::list<Window*>::reverse_iterator rit = windows.rbegin();
while(rit != windows.rend()) {
- if((*rit)->contains_point(pointer_x, pointer_y)) {
- win = *rit;
- break;
+ Window *w = *rit++;
+ Window *parent = w->get_parent();
+
+ if(parent == root_win && w->contains_point(pointer_x, pointer_y)) {
+ return w;
+ }
+ }
+
+ return 0;
+}
+
+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;
+}
+
+static void display(Window *win)
+{
+ fill_rect(win->get_absolute_rect(), 255, 211, 5);
+}
+
+static int prev_x, prev_y;
+
+static void mouse(Window *win, int bn, bool pressed, int x, int y)
+{
+ if(bn == 0) {
+ if(pressed) {
+ wm->grab_mouse(win);
+ prev_x = x;
+ prev_y = y;
+ }
+ else {
+ wm->release_mouse();
}
- rit++;
}
+}
- return win;
+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;
+
+ Rect rect = win->get_rect();
+ win->move(rect.x + dx, rect.y + dy);
+ }
}
projects / winnie / blobdiff