3 #include <stdio.h> // TODO
9 #include "mouse_cursor.h"
12 static WindowManager wminst;
14 static void display(Window *win);
15 static void mouse(Window *win, int bn, bool pressed);
16 static void motion(Window *win, int x, int y);
18 void WindowManager::create_frame(Window *win)
20 Window *frame = new Window;
21 Window *parent = win->get_parent();
23 frame->set_display_callback(display);
24 frame->set_mouse_button_callback(mouse);
25 frame->set_mouse_motion_callback(motion);
27 frame->add_child(win);
28 frame->set_focusable(false);
30 windows.push_back(frame);
32 Rect win_rect = win->get_rect();
33 frame->move(win_rect.x - frame_thickness,
34 win_rect.y - frame_thickness - titlebar_thickness);
35 frame->resize(win_rect.width + frame_thickness * 2,
36 win_rect.height + frame_thickness * 2 + titlebar_thickness);
38 parent->add_child(frame);
41 void WindowManager::destroy_frame(Window *win)
43 Window *frame = win->parent;
48 std::list<Window*>::iterator it;
49 it = std::find(windows.begin(), windows.end(), frame);
50 if(it != windows.end()) {
51 root_win->add_child(win);
57 WindowManager::WindowManager()
62 throw std::runtime_error("Trying to create a second instance of WindowManager!\n");
65 root_win = new Window;
66 root_win->resize(get_screen_size().width, get_screen_size().height);
68 root_win->set_managed(false);
77 titlebar_thickness = 4;
79 frame_fcolor[0] = frame_fcolor[1] = frame_fcolor[2] = 142;
80 frame_ucolor[0] = frame_ucolor[1] = frame_ucolor[2] = 210;
82 mouse_cursor.set_image(mouse_cursor_width, mouse_cursor_height);
83 unsigned char *pixels = mouse_cursor.get_image();
85 for(int i=0; i<mouse_cursor_height; i++) {
86 for(int j=0; j<mouse_cursor_width; j++) {
87 int val = mouse_cursor_bw[i * mouse_cursor_width + j];
96 WindowManager::~WindowManager()
101 void WindowManager::invalidate_region(const Rect &rect)
103 dirty_rects.push_back(rect);
106 void WindowManager::process_windows()
108 if(dirty_rects.empty()) {
112 std::list<Rect>::iterator drit = dirty_rects.begin();
114 while(drit != dirty_rects.end()) {
115 uni = rect_union(uni, *drit++);
119 fill_rect(uni, bg_color[0], bg_color[1], bg_color[2]);
121 root_win->draw_children(uni);
124 int mouse_x, mouse_y;
125 get_pointer_pos(&mouse_x, &mouse_y);
127 blit_key(mouse_cursor.get_image(), mouse_cursor.get_rect(),
128 get_framebuffer(), get_screen_size(), mouse_x, mouse_y,
131 Rect mouse_rect = {mouse_x, mouse_y, mouse_cursor.get_width(), mouse_cursor.get_height()};
132 invalidate_region(mouse_rect);
137 void WindowManager::add_window(Window *win)
139 if(!win || win == root_win) {
143 root_win->add_child(win);
145 if(windows.empty()) {
149 if(win->get_managed()) {
153 windows.push_back(win);
156 void WindowManager::remove_window(Window *win)
158 std::list<Window*>::iterator it;
159 it = std::find(windows.begin(), windows.end(), win);
161 if(it != windows.end()) {
166 void WindowManager::set_focused_window(Window *win)
168 if(win == focused_win) {
173 // invalidate the frame (if any)
174 Window *parent = focused_win->get_parent();
175 if(parent && parent != root_win) {
176 parent->invalidate();
185 if(win->get_focusable()) {
190 Window **children = win->get_children();
191 for(int i=0; i<win->get_children_count(); i++) {
192 if(children[0]->get_focusable()) {
193 set_focused_window(children[0]);
201 const Window *WindowManager::get_focused_window() const
206 Window *WindowManager::get_focused_window()
211 Window *WindowManager::get_window_at_pos(int pointer_x, int pointer_y)
213 std::list<Window*>::reverse_iterator rit = windows.rbegin();
214 while(rit != windows.rend()) {
216 Window *parent = w->get_parent();
218 if(parent == root_win && w->contains_point(pointer_x, pointer_y)) {
226 static void display(Window *win)
228 fill_rect(win->get_rect(), 255, 211, 5);
231 static int prev_x = -1, prev_y;
233 static void mouse(Window *win, int bn, bool pressed)
237 get_pointer_pos(&prev_x, &prev_y);
244 static void motion(Window *win, int x, int y)
246 int left_bn = get_button(0);
247 if(left_bn && prev_x != -1) {
253 Rect rect = win->get_rect();
254 win->move(rect.x + dx, rect.y + dy);