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implemented button callback in frame widget

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This commit is contained in:
Joel Bodenmann 2014-01-07 01:24:54 +01:00
parent f3cbb02c3a
commit da13d31c69
2 changed files with 41 additions and 1 deletions
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3
include/gwin/frame.h
View File

@ -33,6 +33,7 @@
typedef struct GFrameObject {
GWidgetObject w;
GListener gl; // internal listener for the buttons
// These could probably be removed... I have to think harder later
GHandle btnClose;
GHandle btnMin;
@ -52,6 +53,8 @@ typedef struct GFrameObject {
*
* @note Possible flags are: GWIN_FRAME_BORDER, GWIN_FRAME_CLOSE_BTN, GWIN_FRAME_MINMAX_BTN.
* Whether the close or the minimize maximize buttons are used, the boarder is automatically invoked.
* @note These frame buttons are processed internally. The close button will invoke a gwinDestroy() which will
* destroy the window itself and EVERY child it contains (also children of children).
*
* @api
*/

39
src/gwin/frame.c
View File

@ -30,6 +30,16 @@
/* Forware declarations */
void gwinFrameDraw_Std(GWidgetObject *gw, void *param);
static void _callbackBtn(void *param, GEvent *pe);
static void _frameDestroy(GHandle gh) {
/* Detach all button sources */
// ToDo
//geventDetachSource(&gh2obj->gl, NULL);
/* call the gwidget standard destroy routine */
_gwidgetDestroy(gh);
}
#if GINPUT_NEED_MOUSE
static void _mouseDown(GWidgetObject *gw, coord_t x, coord_t y) {
@ -49,7 +59,7 @@ static const gwidgetVMT frameVMT = {
{
"Frame", // The classname
sizeof(GFrameObject), // The object size
_gwidgetDestroy, // The destroy routine
_frameDestroy, // The destroy routie
_gwidgetRedraw, // The redraw routine
0, // The after-clear routine
},
@ -99,6 +109,13 @@ GHandle gwinGFrameCreate(GDisplay *g, GFrameObject *fo, GWidgetInit *pInit, uint
/* apply flags */
fo->w.g.flags |= tmp;
/* create and initialize the listener if any button is present. */
if ((fo->w.g.flags & GWIN_FRAME_CLOSE_BTN) || (fo->w.g.flags & GWIN_FRAME_MINMAX_BTN)) {
geventListenerInit(&fo->gl);
gwinAttachListener(&fo->gl);
geventRegisterCallback(&fo->gl, _callbackBtn, (GHandle)fo);
}
/* create close button if necessary */
if (fo->w.g.flags & GWIN_FRAME_CLOSE_BTN) {
GWidgetInit wi;
@ -148,6 +165,26 @@ GHandle gwinGFrameCreate(GDisplay *g, GFrameObject *fo, GWidgetInit *pInit, uint
return (GHandle)fo;
}
/* Process a button event */
static void _callbackBtn(void *param, GEvent *pe) {
switch (pe->type) {
case GEVENT_GWIN_BUTTON:
if (((GEventGWinButton *)pe)->button == ((GFrameObject*)(GHandle)param)->btnClose)
gwinDestroy((GHandle)param);
else if (((GEventGWinButton *)pe)->button == ((GFrameObject*)(GHandle)param)->btnMin)
;/* ToDo */
else if (((GEventGWinButton *)pe)->button == ((GFrameObject*)(GHandle)param)->btnMax)
;/* ToDo */
break;
default:
break;
}
}
///////////////////////////////////////////////////////////////////////////////////////////////////
// Default render routines //
///////////////////////////////////////////////////////////////////////////////////////////////////