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/*
* This file is subject to the terms of the GFX License. If a copy of
* the license was not distributed with this file, you can obtain one at:
*
* http://ugfx.org/license.html
*/
/**
* @file src/gwin/gcontainer.c
* @brief GWIN sub-system container code.
*
* @defgroup Containers Containers
* @ingroup GWIN
*
* @{
*/
#include "gfx.h"
#if GFX_USE_GWIN && GWIN_NEED_CONTAINERS
#include "src/gwin/class_gwin.h"
void _gcontainerInit(void)
{
}
void _gcontainerDeinit(void)
{
}
GHandle _gcontainerCreate(GDisplay *g, GContainerObject *pgc, const GWidgetInit *pInit, const gcontainerVMT *vmt) {
if (!(pgc = (GContainerObject *)_gwidgetCreate(g, (GWidgetObject *)pgc, pInit, &vmt->gw)))
return 0;
pgc->g.flags |= GWIN_FLG_CONTAINER;
return &pgc->g;
}
void _gcontainerDestroy(GHandle gh) {
GHandle child;
while((child = gwinGetFirstChild(gh)))
gwinDestroy(child);
_gwidgetDestroy(gh);
}
void _gcontainerRedraw(GHandle gh) {
GHandle child;
if (!(gh->flags & GWIN_FLG_SYSVISIBLE))
return;
((GWidgetObject *)gh)->fnDraw((GWidgetObject *)gh, ((GWidgetObject *)gh)->fnParam);
for(child = gwinGetFirstChild(gh); child; child = gwinGetSibling(child))
gwinRedraw(child);
}
void _gcontainerUpdate(GHandle gh) {
GHandle child;
if (!(gh->flags & GWIN_FLG_SYSVISIBLE))
return;
#if GDISP_NEED_CLIP
gdispGSetClip(gh->display, gh->x, gh->y, gh->width, gh->height);
#endif
((GWidgetObject *)gh)->fnDraw((GWidgetObject *)gh, ((GWidgetObject *)gh)->fnParam);
for(child = gwinGetFirstChild(gh); child; child = gwinGetSibling(child))
gwinRedraw(child);
}
void _gwinRecurse(GHandle gh, bool_t (*fn)(GHandle gh)) {
if (fn(gh) && (gh->flags & GWIN_FLG_CONTAINER)) {
// Apply to this windows children
for(gh = gwinGetFirstChild(gh); gh; gh = gwinGetSibling(gh)) {
// Only recurse when we have to. Otherwise apply it directly
if ((gh->flags & GWIN_FLG_CONTAINER))
_gwinRecurse(gh, fn);
else
fn(gh);
}
}
}
GHandle gwinGetFirstChild(GHandle gh) {
GHandle child;
for(child = gwinGetNextWindow(0); child; child = gwinGetNextWindow(child))
if (child->parent == gh)
return child;
return 0;
}
GHandle gwinGetSibling(GHandle gh) {
GHandle child;
for(child = gwinGetNextWindow(gh), gh = gh->parent; child; child = gwinGetNextWindow(child))
if (child->parent == gh)
return child;
return 0;
}
#endif /* GFX_USE_GWIN && GWIN_NEED_CONTAINERS */
/** @} */
/*-----------------------------------------------
* The simplest container type - a container
*-----------------------------------------------
*
* @defgroup Containers Containers
* @ingroup GWIN
*
* @{
*/
#if GFX_USE_GWIN && GWIN_NEED_CONTAINER
static void DrawSimpleContainer(GWidgetObject *gw, void *param) {
(void) param;
gdispGFillArea(gw->g.display, gw->g.x, gw->g.y, gw->g.width, gw->g.height, gw->pstyle->background);
}
// The container VMT table
static const gcontainerVMT containerVMT = {
{
{
"Container", // The classname
sizeof(GContainerObject), // The object size
_gcontainerDestroy, // The destroy routine
_gcontainerRedraw, // The redraw routine
0, // The after-clear routine
},
DrawSimpleContainer, // The default drawing routine
#if GINPUT_NEED_MOUSE
{
0, 0, 0, // No mouse
},
#endif
#if GINPUT_NEED_TOGGLE
{
0, 0, 0, 0, 0, // No toggles
},
#endif
#if GINPUT_NEED_DIAL
{
0, 0, 0, 0, // No dials
},
#endif
},
0, // Adjust the relative position of a child (optional)
0, // Adjust the size of a child (optional)
0, // A child has been added (optional)
0, // A child has been deleted (optional)
};
GHandle gwinGContainerCreate(GDisplay *g, GContainerObject *gw, const GWidgetInit *pInit) {
if (!(gw = (GContainerObject *)_gcontainerCreate(g, gw, pInit, &containerVMT)))
return 0;
gwinSetVisible((GHandle)gw, pInit->g.show);
return (GHandle)gw;
}
#endif
/** @} */
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