diff options
Diffstat (limited to 'src/gwin/gwin_checkbox.c')
| -rw-r--r-- | src/gwin/gwin_checkbox.c | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/src/gwin/gwin_checkbox.c b/src/gwin/gwin_checkbox.c new file mode 100644 index 00000000..dec085c3 --- /dev/null +++ b/src/gwin/gwin_checkbox.c @@ -0,0 +1,195 @@ +/* + * 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/gwin_checkbox.c + * @brief GWIN sub-system button code + */ + +#include "gfx.h" + +#if (GFX_USE_GWIN && GWIN_NEED_CHECKBOX) || defined(__DOXYGEN__) + +#include "gwin_class.h" + +// Our checked state +#define GCHECKBOX_FLG_CHECKED (GWIN_FIRST_CONTROL_FLAG<<0) + +// Send the checkbox event +static void SendCheckboxEvent(GWidgetObject *gw) { + GSourceListener * psl; + GEvent * pe; + #define pce ((GEventGWinCheckbox *)pe) + + // Trigger a GWIN Checkbox Event + psl = 0; + while ((psl = geventGetSourceListener(GWIDGET_SOURCE, psl))) { + if (!(pe = geventGetEventBuffer(psl))) + continue; + pce->type = GEVENT_GWIN_CHECKBOX; + pce->gwin = &gw->g; + pce->isChecked = (gw->g.flags & GCHECKBOX_FLG_CHECKED) ? TRUE : FALSE; + #if GWIN_WIDGET_TAGS + pce->tag = gw->tag; + #endif + geventSendEvent(psl); + } + + #undef pce +} + +#if GINPUT_NEED_MOUSE + static void MouseDown(GWidgetObject *gw, coord_t x, coord_t y) { + (void) x; (void) y; + gw->g.flags ^= GCHECKBOX_FLG_CHECKED; + _gwinUpdate((GHandle)gw); + SendCheckboxEvent(gw); + } +#endif + +#if GINPUT_NEED_TOGGLE + static void ToggleOn(GWidgetObject *gw, uint16_t role) { + (void) role; + gw->g.flags ^= GCHECKBOX_FLG_CHECKED; + _gwinUpdate((GHandle)gw); + SendCheckboxEvent(gw); + } + + static void ToggleAssign(GWidgetObject *gw, uint16_t role, uint16_t instance) { + (void) role; + ((GCheckboxObject *)gw)->toggle = instance; + } + + static uint16_t ToggleGet(GWidgetObject *gw, uint16_t role) { + (void) role; + return ((GCheckboxObject *)gw)->toggle; + } +#endif + +// The checkbox VMT table +static const gwidgetVMT checkboxVMT = { + { + "Checkbox", // The classname + sizeof(GCheckboxObject),// The object size + _gwidgetDestroy, // The destroy routine + _gwidgetRedraw, // The redraw routine + 0, // The after-clear routine + }, + gwinCheckboxDraw_CheckOnLeft, // The default drawing routine + #if GINPUT_NEED_MOUSE + { + MouseDown, // Process mouse down events + 0, // Process mouse up events (NOT USED) + 0, // Process mouse move events (NOT USED) + }, + #endif + #if GINPUT_NEED_TOGGLE + { + 1, // 1 toggle role + ToggleAssign, // Assign Toggles + ToggleGet, // Get Toggles + 0, // Process toggle off events (NOT USED) + ToggleOn, // Process toggle on events + }, + #endif + #if GINPUT_NEED_DIAL + { + 0, // No dial roles + 0, // Assign Dials (NOT USED) + 0, // Get Dials (NOT USED) + 0, // Process dial move events (NOT USED) + }, + #endif +}; + +GHandle gwinGCheckboxCreate(GDisplay *g, GCheckboxObject *gb, const GWidgetInit *pInit) { + if (!(gb = (GCheckboxObject *)_gwidgetCreate(g, &gb->w, pInit, &checkboxVMT))) + return 0; + + #if GINPUT_NEED_TOGGLE + gb->toggle = GWIDGET_NO_INSTANCE; + #endif + gwinSetVisible((GHandle)gb, pInit->g.show); + return (GHandle)gb; +} + +void gwinCheckboxCheck(GHandle gh, bool_t isChecked) { + if (gh->vmt != (gwinVMT *)&checkboxVMT) + return; + + if (isChecked) { + if ((gh->flags & GCHECKBOX_FLG_CHECKED)) return; + gh->flags |= GCHECKBOX_FLG_CHECKED; + } else { + if (!(gh->flags & GCHECKBOX_FLG_CHECKED)) return; + gh->flags &= ~GCHECKBOX_FLG_CHECKED; + } + _gwinUpdate(gh); + SendCheckboxEvent((GWidgetObject *)gh); +} + +bool_t gwinCheckboxIsChecked(GHandle gh) { + if (gh->vmt != (gwinVMT *)&checkboxVMT) + return FALSE; + + return (gh->flags & GCHECKBOX_FLG_CHECKED) ? TRUE : FALSE; +} + +/*---------------------------------------------------------- + * Custom Draw Routines + *----------------------------------------------------------*/ + +static const GColorSet *getDrawColors(GWidgetObject *gw) { + if (!(gw->g.flags & GWIN_FLG_SYSENABLED)) return &gw->pstyle->disabled; + if ((gw->g.flags & GCHECKBOX_FLG_CHECKED)) return &gw->pstyle->pressed; + return &gw->pstyle->enabled; +} + +void gwinCheckboxDraw_CheckOnLeft(GWidgetObject *gw, void *param) { + #define gcw ((GCheckboxObject *)gw) + coord_t ld, df; + const GColorSet * pcol; + (void) param; + + if (gw->g.vmt != (gwinVMT *)&checkboxVMT) return; + pcol = getDrawColors(gw); + + ld = gw->g.width < gw->g.height ? gw->g.width : gw->g.height; + gdispGFillArea(gw->g.display, gw->g.x+1, gw->g.y+1, ld, ld-2, gw->pstyle->background); + gdispGDrawBox(gw->g.display, gw->g.x, gw->g.y, ld, ld, pcol->edge); + + df = ld < 4 ? 1 : 2; + if (gw->g.flags & GCHECKBOX_FLG_CHECKED) + gdispGFillArea(gw->g.display, gw->g.x+df, gw->g.y+df, ld-2*df, ld-2*df, pcol->fill); + + gdispGFillStringBox(gw->g.display, gw->g.x+ld+1, gw->g.y, gw->g.width-ld-1, gw->g.height, gw->text, gw->g.font, pcol->text, gw->pstyle->background, justifyLeft); + #undef gcw +} + +void gwinCheckboxDraw_CheckOnRight(GWidgetObject *gw, void *param) { + #define gcw ((GCheckboxObject *)gw) + coord_t ep, ld, df; + const GColorSet * pcol; + (void) param; + + if (gw->g.vmt != (gwinVMT *)&checkboxVMT) return; + pcol = getDrawColors(gw); + + ld = gw->g.width < gw->g.height ? gw->g.width : gw->g.height; + ep = gw->g.width-ld-1; + gdispGFillArea(gw->g.display, gw->g.x+ep-1, gw->g.y+1, ld, ld-2, gw->pstyle->background); + gdispGDrawBox(gw->g.display, gw->g.x+ep, gw->g.y, ld, ld, pcol->edge); + + df = ld < 4 ? 1 : 2; + if (gw->g.flags & GCHECKBOX_FLG_CHECKED) + gdispGFillArea(gw->g.display, gw->g.x+ep+df, gw->g.y+df, ld-2*df, ld-2*df, pcol->fill); + + gdispGFillStringBox(gw->g.display, gw->g.x, gw->g.y, ep-1, gw->g.height, gw->text, gw->g.font, pcol->text, gw->pstyle->background, justifyRight); + #undef gcw +} + +#endif /* (GFX_USE_GWIN && GWIN_NEED_CHECKBOX) */ |