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Diffstat (limited to 'src/gwin/gcontainer.c')
| -rw-r--r-- | src/gwin/gcontainer.c | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/src/gwin/gcontainer.c b/src/gwin/gcontainer.c new file mode 100644 index 00000000..704c26c0 --- /dev/null +++ b/src/gwin/gcontainer.c @@ -0,0 +1,169 @@ +/* + * 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 +/** @} */ |