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comparison gtk/dw.c @ 195:b023d363fc09

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Added scrollbar and timer support on OS/2 and GTK.
author bsmith@81767d24-ef19-dc11-ae90-00e081727c95
date Mon, 20 Jan 2003 08:49:11 +0000
parents efd4703450fa
children 3dc60d60007f
comparison
equal deleted inserted replaced
194:37bee5b50bcb 195:b023d363fc09
2368 DW_MUTEX_UNLOCK; 2368 DW_MUTEX_UNLOCK;
2369 return tmp; 2369 return tmp;
2370 } 2370 }
2371 2371
2372 /* 2372 /*
2373 * Create a new scrollbar window (widget) to be packed.
2374 * Parameters:
2375 * vertical: TRUE or FALSE if scrollbar is vertical.
2376 * increments: Number of increments available.
2377 * id: An ID to be used with WinWindowFromID() or 0L.
2378 */
2379 HWND dw_scrollbar_new(int vertical, int increments, ULONG id)
2380 {
2381 GtkWidget *tmp;
2382 GtkAdjustment *adjustment;
2383 int _locked_by_me = FALSE;
2384
2385 DW_MUTEX_LOCK;
2386 adjustment = (GtkAdjustment *)gtk_adjustment_new(0, 0, (gfloat)increments, 1, 1, 1);
2387 if(vertical)
2388 tmp = gtk_vscrollbar_new(adjustment);
2389 else
2390 tmp = gtk_hscrollbar_new(adjustment);
2391 GTK_WIDGET_UNSET_FLAGS(tmp, GTK_CAN_FOCUS);
2392 gtk_widget_show(tmp);
2393 gtk_object_set_data(GTK_OBJECT(tmp), "adjustment", (gpointer)adjustment);
2394 gtk_object_set_data(GTK_OBJECT(adjustment), "scrollbar", (gpointer)tmp);
2395 gtk_object_set_data(GTK_OBJECT(tmp), "id", (gpointer)id);
2396 DW_MUTEX_UNLOCK;
2397 return tmp;
2398
2399 /*
2373 * Create a new percent bar window (widget) to be packed. 2400 * Create a new percent bar window (widget) to be packed.
2374 * Parameters: 2401 * Parameters:
2375 * id: An ID to be used with WinWindowFromID() or 0L. 2402 * id: An ID to be used with WinWindowFromID() or 0L.
2376 */ 2403 */
2377 HWND dw_percent_new(unsigned long id) 2404 HWND dw_percent_new(unsigned long id)
3184 if(adjustment) 3211 if(adjustment)
3185 { 3212 {
3186 int max = _round_value(adjustment->upper) - 1; 3213 int max = _round_value(adjustment->upper) - 1;
3187 3214
3188 if(GTK_IS_VSCALE(handle)) 3215 if(GTK_IS_VSCALE(handle))
3216 gtk_adjustment_set_value(adjustment, (gfloat)(max - position));
3217 else
3218 gtk_adjustment_set_value(adjustment, (gfloat)position);
3219 }
3220 DW_MUTEX_UNLOCK;
3221 }
3222
3223 /*
3224 * Returns the position of the scrollbar.
3225 * Parameters:
3226 * handle: Handle to the scrollbar to be queried.
3227 */
3228 unsigned int dw_scrollbar_query_pos(HWND handle)
3229 {
3230 int val = 0, _locked_by_me = FALSE;
3231 GtkAdjustment *adjustment;
3232
3233 if(!handle)
3234 return 0;
3235
3236 DW_MUTEX_LOCK;
3237 adjustment = (GtkAdjustment *)gtk_object_get_data(GTK_OBJECT(handle), "adjustment");
3238 if(adjustment)
3239 {
3240 int max = _round_value(adjustment->upper) - 1;
3241 int thisval = _round_value(adjustment->value);
3242
3243 if(GTK_IS_VSCROLLBAR(handle))
3244 val = max - thisval;
3245 else
3246 val = thisval;
3247 }
3248 DW_MUTEX_UNLOCK;
3249 return val;
3250 }
3251
3252 /*
3253 * Sets the scrollbar position.
3254 * Parameters:
3255 * handle: Handle to the scrollbar to be set.
3256 * position: Position of the scrollbar withing the range.
3257 */
3258 void dw_scrollbar_set_pos(HWND handle, unsigned int position)
3259 {
3260 int _locked_by_me = FALSE;
3261 GtkAdjustment *adjustment;
3262
3263 if(!handle)
3264 return;
3265
3266 DW_MUTEX_LOCK;
3267 adjustment = (GtkAdjustment *)gtk_object_get_data(GTK_OBJECT(handle), "adjustment");
3268 if(adjustment)
3269 {
3270 int max = _round_value(adjustment->upper) - 1;
3271
3272 if(GTK_IS_VSCROLLBAR(handle))
3189 gtk_adjustment_set_value(adjustment, (gfloat)(max - position)); 3273 gtk_adjustment_set_value(adjustment, (gfloat)(max - position));
3190 else 3274 else
3191 gtk_adjustment_set_value(adjustment, (gfloat)position); 3275 gtk_adjustment_set_value(adjustment, (gfloat)position);
3192 } 3276 }
3193 DW_MUTEX_UNLOCK; 3277 DW_MUTEX_UNLOCK;
6950 DW_MUTEX_UNLOCK; 7034 DW_MUTEX_UNLOCK;
6951 return ret; 7035 return ret;
6952 } 7036 }
6953 7037
6954 /* 7038 /*
7039 * Add a callback to a timer event.
7040 * Parameters:
7041 * window: Window handle which owns this timer.
7042 * interval: Milliseconds to delay between calls.
7043 * sigfunc: The pointer to the function to be used as the callback.
7044 * data: User data to be passed to the handler function.
7045 * Returns:
7046 * Timer ID for use with dw_timer_disconnect(), 0 on error.
7047 */
7048 int API dw_timer_connect(HWND window, int interval, void *sigfunc, void *data)
7049 {
7050 int tag, _locked_by_me = FALSE;
7051 char buf[100];
7052
7053 if(!window)
7054 return 0;
7055
7056 DW_MUTEX_LOCK;
7057 tag = gtk_timeout_add(interval, (GtkFunction)sigfunc, data);
7058 sprintf(buf, "_dw_timer%d", tag);
7059 gtk_object_set_data(GTK_OBJECT(window), buf, (gpointer)tag);
7060 DW_MUTEX_UNLOCK;
7061 return tag;
7062 }
7063
7064 /*
7065 * Removes timer callback.
7066 * Parameters:
7067 * id: Timer ID returned by dw_timer_connect().
7068 */
7069 void API dw_timer_disconnect(int id)
7070 {
7071 int _locked_by_me = FALSE;
7072
7073 DW_MUTEX_LOCK;
7074 gtk_timeout_remove(id);
7075 DW_MUTEX_UNLOCK;
7076 }
7077
7078 /*
6955 * Add a callback to a window event. 7079 * Add a callback to a window event.
6956 * Parameters: 7080 * Parameters:
6957 * window: Window handle of signal to be called back. 7081 * window: Window handle of signal to be called back.
6958 * signame: A string pointer identifying which signal to be hooked. 7082 * signame: A string pointer identifying which signal to be hooked.
6959 * sigfunc: The pointer to the function to be used as the callback. 7083 * sigfunc: The pointer to the function to be used as the callback.