1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
#include <raleigh/runtime.h>
#include <raleigh/window.h>
#include <popups/info.h>
#include <knob/heap.h>
#include <knob/format.h>
namespace raleigh {
window::window(widget &root, _pixel_t bg_color, bool (*on_close)(window &))
: handle(0), size(root.size), root(root), focussed(&root),
bg_color(bg_color), on_close(on_close) {
root.w = this;
root.window_offset = coord(0, 0);
root.notify_window_change();
pixbuf = new _pixel_t[size.x * size.y];
if (!pixbuf)
show_error_and_quitf("Failed to create %d byte pixel buffer\nfor requested %dx%d pixel window.", size.x * size.y * sizeof(_pixel_t), size.x, size.y);
paint_full();
root.on_focus();
needs_repaint = false;
}
window::try_actions_return_t window::try_actions() {
struct window_action wa;
window::try_actions_return_t got = NONE;
while (1) {
_get_win_action(handle, &wa);
if (!wa.action_type) {
if (needs_repaint) {
needs_repaint = false;
_paint_window(handle);
}
return got;
}
if ((wa.action_type == wa.KEY_DOWN) &&
(wa.as_key.modifiers & wa.as_key.ALTS) &&
(wa.as_key.key_id == wa.as_key.KEY_F4))
if (!on_close || on_close(*this))
return DELETE;
got = GOOD;
if (wa.action_type == wa.MOUSE_DOWN)
root.handle_click(coord(wa.as_mouse.x, wa.as_mouse.y), wa.as_mouse.which, false);
else if (wa.action_type == wa.MOUSE_UP)
root.handle_click(coord(wa.as_mouse.x, wa.as_mouse.y), wa.as_mouse.which, true);
else if (wa.action_type == wa.KEY_DOWN)
focussed->handle_key(wa.as_key);
else if (wa.action_type == wa.FOCUS_ENTER)
focussed->on_focus();
else if (wa.action_type == wa.FOCUS_LEAVE)
focussed->on_unfocus();
}
}
void window::notify_needs_paint(widget &head) {
if (head.closest_opaque)
head.closest_opaque->paint(pixbuf, size.x);
else
paint_full();
needs_repaint = true;
}
void window::paint_full() {
for (uint32_t i = 0; i < size.x * size.y; ++i)
pixbuf[i] = bg_color;
root.paint(pixbuf, size.x);
}
void window::show() {
if (handle)
return;
handle = _new_window(size.x, size.y, pixbuf);
if (!handle)
show_error_and_quitf("Failed to get window handle for requested window.");
open_windows.add_front(*this);
}
void window::focus(widget &w) {
if (focussed != &w) {
focussed->on_unfocus();
focussed = &w;
focussed->on_focus();
}
}
}
|