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
|
#include <windows.h>
#include <windowsx.h>
#include <commctrl.h>
#include <glib.h>
#include "win32_gui_notify.h"
struct window_data {
HWND hwnd;
UINT message;
void(*func)(struct datawindow_priv *parent, int param1, int param2);
};
struct notify_priv {
GList *window_list;
struct datawindow_priv *parent;
};
void win32_gui_notify(struct notify_priv* notify, HWND hwnd, int message_id, void(*func)(struct datawindow_priv *parent,
int param1, int param2)) {
struct window_data *wnd_data = g_new( struct window_data,1);
wnd_data->hwnd = hwnd;
wnd_data->message = message_id;
wnd_data->func = func;
notify->window_list = g_list_append( notify->window_list, (gpointer) wnd_data );
}
struct notify_priv* win32_gui_notify_new(struct datawindow_priv *parent) {
struct notify_priv* notify = g_new0(struct notify_priv,1);
notify->parent = parent;
return notify;
}
LRESULT CALLBACK message_handler(HWND hwnd, UINT win_message, WPARAM wParam, LPARAM lParam) {
enum message_id message = INVALID;
int param1 = -1;
int param2 = -1;
HWND hwndDlg = hwnd;
switch (win_message) {
case WM_CREATE: {
message = WINDOW_CREATE;
}
break;
case WM_SIZE: {
message = WINDOW_SIZE;
param1 = LOWORD(lParam);
param2 = HIWORD(lParam);
}
break;
case WM_DESTROY: {
message = WINDOW_DESTROY;
}
break;
case WM_NOTIFY: {
hwndDlg = (((LPNMHDR)lParam)->hwndFrom);
switch (((LPNMHDR)lParam)->code) {
case NM_DBLCLK: {
message = DBLCLICK;
#ifdef LPNMITEMACTIVATE
param1 = ((LPNMITEMACTIVATE)lParam)->iItem;
#endif
}
break;
case NM_CLICK:
message = CLICK;
break;
}
}
break;
case WM_COMMAND: {
hwndDlg = (HWND)lParam;
switch (HIWORD(wParam)) {
case EN_CHANGE: {
message = CHANGE;
}
break;
case BN_CLICKED: {
message = BUTTON_CLICK;
}
break;
}
}
break;
default:
return DefWindowProc(hwnd, win_message, wParam, lParam);
}
struct notify_priv* notify_data = (struct notify_priv*)GetWindowLongPtr( hwnd, DWLP_USER );
if ( message != INVALID && notify_data && notify_data->window_list ) {
GList* current_element = g_list_first(notify_data->window_list);
struct window_data* wnd_data = NULL;
while (current_element != NULL) {
wnd_data = current_element->data;
if ( (wnd_data->hwnd == hwndDlg || wnd_data->hwnd == NULL) && message == wnd_data->message) {
wnd_data->func(notify_data->parent, param1, param2);
}
current_element = g_list_next(current_element);
}
}
return FALSE;
}
|
