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