summaryrefslogtreecommitdiff
path: root/navit/gui/win32/win32_gui_notify.c
blob: c801e9da879ec0bcc9494b3de55d15ea78b5738a (plain)
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
#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;
}