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
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
|
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <glib.h>
#include "debug.h"
#include "event.h"
#include "callback.h"
#include "graphics_opengl.h"
struct graphics_opengl_window_system {
Display *display;
int screen;
Window window,root_window;
XVisualInfo visual;
Colormap colormap;
struct callback *cb;
struct event_watch *watch;
void *data;
void (*resize)(void *data, int w, int h);
void (*button)(void *data, int button, int state, int x, int y);
void (*motion)(void *data, int x, int y);
void *keypress;
};
static void
graphics_opengl_x11_destroy(struct graphics_opengl_window_system *x11)
{
if (x11->watch)
event_remove_watch(x11->watch);
if (x11->cb)
callback_destroy(x11->cb);
if (x11->display) {
if (x11->window)
XDestroyWindow(x11->display, x11->window);
if (x11->colormap)
XFreeColormap(x11->display, x11->colormap);
XCloseDisplay(x11->display);
}
g_free(x11);
}
static void *
graphics_opengl_get_display(struct graphics_opengl_window_system *x11)
{
return x11->display;
}
static void *
graphics_opengl_get_window(struct graphics_opengl_window_system *x11)
{
return (void *)x11->window;
}
static void
graphics_opengl_set_callbacks(struct graphics_opengl_window_system *x11, void *data, void *resize, void *button, void *motion, void *keypress)
{
x11->data=data;
x11->resize=resize;
x11->button=button;
x11->motion=motion;
x11->keypress=keypress;
}
struct graphics_opengl_window_system_methods graphics_opengl_x11_methods = {
graphics_opengl_x11_destroy,
graphics_opengl_get_display,
graphics_opengl_get_window,
graphics_opengl_set_callbacks,
};
static void
graphics_opengl_x11_watch(struct graphics_opengl_window_system *x11)
{
XEvent event;
while (XPending(x11->display)) {
XNextEvent(x11->display, &event);
switch(event.type) {
case ButtonPress:
if (x11->button)
x11->button(x11->data,event.xbutton.button,1,event.xbutton.x,event.xbutton.y);
break;
case ButtonRelease:
if (x11->button)
x11->button(x11->data,event.xbutton.button,0,event.xbutton.x,event.xbutton.y);
break;
case ConfigureNotify:
dbg(lvl_debug,"ConfigureNotify\n");
break;
case Expose:
dbg(lvl_debug,"Expose\n");
break;
case KeyPress:
dbg(lvl_debug,"KeyPress\n");
break;
case KeyRelease:
dbg(lvl_debug,"KeyRelease\n");
break;
case MapNotify:
dbg(lvl_debug,"MapNotify\n");
break;
case MotionNotify:
if (x11->motion)
x11->motion(x11->data,event.xmotion.x,event.xmotion.y);
break;
case ReparentNotify:
dbg(lvl_debug,"ReparentNotify\n");
break;
default:
dbg(lvl_debug,"type %d\n",event.type);
}
}
}
struct graphics_opengl_window_system *
graphics_opengl_x11_new(void *displayname, int w, int h, int depth, struct graphics_opengl_window_system_methods **methods)
{
struct graphics_opengl_window_system *ret=g_new0(struct graphics_opengl_window_system, 1);
XSetWindowAttributes attributes;
unsigned long valuemask;
ret->cb=callback_new_1(callback_cast(graphics_opengl_x11_watch), ret);
if (!event_request_system("glib", "graphics_opengl_x11_new"))
goto error;
*methods=&graphics_opengl_x11_methods;
ret->display=XOpenDisplay(displayname);
if (!ret->display) {
dbg(lvl_error,"failed to open display\n");
goto error;
}
ret->watch=event_add_watch(ConnectionNumber(ret->display), event_watch_cond_read, ret->cb);
ret->screen=XDefaultScreen(ret->display);
ret->root_window=RootWindow(ret->display, ret->screen);
if (!XMatchVisualInfo(ret->display, ret->screen, depth, TrueColor, &ret->visual)) {
dbg(lvl_error,"failed to find visual\n");
goto error;
}
ret->colormap=XCreateColormap(ret->display, ret->root_window, ret->visual.visual, AllocNone);
valuemask = /* CWBackPixel | */ CWBorderPixel | CWEventMask | CWColormap ; // | CWBackingStore;
attributes.colormap = ret->colormap;
attributes.border_pixel = 0;
attributes.event_mask = StructureNotifyMask | ExposureMask | ButtonPressMask | ButtonMotionMask | ButtonReleaseMask | KeyPressMask | KeyReleaseMask;
attributes.backing_store = Always;
ret->window=XCreateWindow(ret->display, RootWindow(ret->display, ret->screen), 0, 0, w, h, 0, ret->visual.depth, InputOutput, ret->visual.visual, valuemask, &attributes);
XMapWindow(ret->display, ret->window);
XFlush(ret->display);
graphics_opengl_x11_watch(ret);
return ret;
error:
graphics_opengl_x11_destroy(ret);
return NULL;
}
|
