void destroy_gfx()
{
clear_screen(0, 0, 0);
- close(dev_fd);
+
+ if(dev_fd != -1) {
+ close(dev_fd);
+ }
+
dev_fd = -1;
munmap(framebuffer, FRAMEBUFFER_SIZE(screen_rect.width, screen_rect.height, color_depth));
}
ttystate = CANONICAL;
- close(dev_fd);
- dev_fd = -1;
+ if(dev_fd != -1) {
+ close(dev_fd);
+ dev_fd = -1;
+ }
}
int get_keyboard_fd()
return;
}
- if(key == 'q') {
+/* if(key == 'q') {
exit(0);
- }
+ }*/
Window *focused_win = wm->get_focused_window();
if(focused_win) {
Window *win1 = new Window;
win1->set_title("title1");
win1->move(5, 10);
- win1->resize(600, 800);
+ win1->resize(200, 300);
win1->set_display_callback(display);
win1->set_keyboard_callback(keyboard);
static void display(Window *win)
{
- fill_rect(win->get_rect(), 0, 0, 0);
+ fill_rect(win->get_rect(), 106, 106, 250);
}
static void keyboard(Window *win, int key, bool pressed)
#include <termios.h>
#include <unistd.h>
-#include "mouse.h"
#include "geom.h"
+#include "gfx.h"
+#include "mouse.h"
+
+#define BN_LEFT 1
+#define BN_RIGHT 2
+#define BN_MIDDLE 4
+
static int dev_fd = -1; // file descriptor for /dev/psaux
static Rect bounds;
static int pointer_x, pointer_y;
+static int bnstate;
bool init_mouse()
{
- if((dev_fd = open("/dev/psaux", O_NONBLOCK)) == -1) {
+ if((dev_fd = open("/dev/psaux", O_RDONLY)) == -1) {
fprintf(stderr, "Cannot open /dev/psaux : %s\n", strerror(errno));
return false;
}
+ set_mouse_bounds(get_screen_size());
return true;
}
void destroy_mouse()
{
- close(dev_fd);
- dev_fd = -1;
+ if(dev_fd != -1) {
+ close(dev_fd);
+ dev_fd = -1;
+ }
}
void set_mouse_bounds(const Rect &rect)
/* 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).
- * - process each event and update the pointer and button state
+ */
+
+ int prev_state = bnstate;
+ int prev_x = pointer_x;
+ int prev_y = pointer_y;
+
+ if(read_mouse() == -1) {
+ return;
+ }
+
+ /* - process each event and update the pointer and button state
* - send each pointer move and button press/release to the tompost window
* with the pointer on it.
*/
int get_button_state(int bn)
{
- // TODO
+ return bnstate;
+}
+
+int get_button(int bn)
+{
+ if(bn < 0 || bn >= 3) {
+ return 0;
+ }
+ return (bnstate & (1 << bn)) != 0;
+}
+
+
+int read_mouse()
+{
+ int rd;
+ signed char state[3] = {0, 0, 0};
+
+ if((rd = read(dev_fd, state, 3)) == -1) {
+ fprintf(stderr, "Unable to get mouse state : %s\n", strerror(errno));
+ return -1;
+ }
+
+ bnstate = state[0] & 7;
+ pointer_x += state[1];
+ pointer_y -= state[2];
+
+ if(pointer_x < bounds.x) {
+ pointer_x = bounds.x;
+ }
+
+ if(pointer_y < bounds.y) {
+ pointer_y = bounds.y;
+ }
+
+ if(pointer_x > bounds.x + bounds.width - 1) {
+ pointer_x = bounds.x + bounds.width - 1;
+ }
+
+ if(pointer_y > bounds.y + bounds.height - 1) {
+ pointer_y = bounds.y + bounds.height - 1;
+ }
+
return 0;
}
void get_pointer_pos(int *x, int *y);
int get_button_state(int bn);
+int get_button(int bn);
+
+int read_mouse();
#endif // MOUSE_H_
return rect;
}
+bool Window::contains_ptr(int ptr_x, int ptr_y)
+{
+ if((rect.x <= ptr_x) && ((rect.x + rect.width) >= ptr_x)) {
+ if((rect.y <= ptr_y) && (ptr_y <= (rect.y + rect.height))) {
+ return true;
+ }
+ }
+
+ return false;
+}
+
void Window::move(int x, int y)
{
invalidate(); // moved, should redraw, MUST BE CALLED FIRST
~Window();
const Rect &get_rect() const;
+ bool contains_ptr(int ptr_x, int ptr_y);
void move(int x, int y);
void resize(int x, int y);
{
return focused_win;
}
+
+Window *WindowManager::get_window_at_pos(int pointer_x, int pointer_y)
+{
+ Window *win = new Window;
+ std::list<Window*>::reverse_iterator rit = windows.rbegin();
+ while(rit != windows.rend()) {
+ if((*rit)->contains_ptr(pointer_x, pointer_y)) {
+ win = *rit;
+ break;
+ }
+ rit++;
+ }
+
+ return 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);
};
extern WindowManager *wm;