diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/gwin/checkbox.c | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/src/gwin/checkbox.c b/src/gwin/checkbox.c new file mode 100644 index 00000000..4e990896 --- /dev/null +++ b/src/gwin/checkbox.c @@ -0,0 +1,171 @@ +/* + * This file is subject to the terms of the GFX License, v1.0. If a copy of + * the license was not distributed with this file, you can obtain one at: + * + * http://chibios-gfx.com/license.html + */ + +/** + * @file src/gwin/checkbox.c + * @brief GWIN sub-system button code. + * + * @defgroup Checkbox Checkbox + * @ingroup GWIN + * + * @{ + */ + +#include "gfx.h" + +#if (GFX_USE_GWIN && GWIN_NEED_CHECKBOX) || defined(__DOXYGEN__) + +static const GCheckboxDrawStyle GCheckboxDefaultStyleSelected = { + Green +}; + +static const GCheckboxDrawStyle GCheckboxDefaultStyleUnselected = { + Red +}; + +/* process an event callback */ +static void gwinCheckboxCallback(void *param, GEvent *pe) { + GSourceListener *psl; + #define gh ((GHandle)param) + #define gbw ((GCheckboxObject *)param) + #define gsh ((GSourceHandle)param) + #define pme ((GEventMouse *)pe) + #define pte ((GEventTouch *)pe) + #define pxe ((GEventToggle *)pe) + #define pbe ((GEventGWinCheckbox *)pe) + + /* check if checkbox is disabled */ + if (!gh->enabled) + return; + + switch (pe->type) { + #if GFX_USE_GINPUT && GINPUT_NEED_MOUSE + case GEVENT_MOUSE: + case GEVENT_TOUCH: + + // Ignore anything other than the primary mouse button going up or down + if (!((pme->current_buttons ^ pme->last_buttons) & GINPUT_MOUSE_BTN_LEFT)) + return; + + if ((pme->current_buttons & GINPUT_MOUSE_BTN_LEFT) + && pme->x >= gbw->gwin.x && pme->x < gbw->gwin.x + gbw->gwin.width + && pme->y >= gbw->gwin.y && pme->y < gbw->gwin.y + gbw->gwin.height) { + + gbw->state = !gbw->state; + + gwinCheckboxDraw((GHandle)param); + } + #endif /* GFX_USE_GINPUT && GINPUT_NEED_MOUSE */ + + default: + return; + } + + #undef gh + #undef pbe + #undef pme + #undef pte + #undef pxe + #undef gsh + #undef gbw +} + +GHandle gwinCheckboxCreate(GCheckboxObject *gb, coord_t x, coord_t y, coord_t width, coord_t height) { + if (!(gb = (GCheckboxObject *)_gwinInit((GWindowObject *)gb, x, y, width, height, sizeof(GCheckboxObject)))) + return 0; + + gb->gwin.type = GW_CHECKBOX; + gb->fn = 0; + gb->param = 0; + gb->state = GCHBX_UNSET; + + gwinCheckboxSetStyle(&gb->gwin, GCHBX_NORMAL, &GCheckboxDefaultStyleSelected, &GCheckboxDefaultStyleUnselected); + geventListenerInit(&gb->listener); + geventRegisterCallback(&gb->listener, gwinCheckboxCallback, gb); + + // checkboxes are enabled by default + gb->gwin.enabled = TRUE; + + return (GHandle)gb; +} + +void gwinCheckboxSetStyle(GHandle gh, GCheckboxShape shape, const GCheckboxDrawStyle *pSelected, const GCheckboxDrawStyle *pUnselected) { + #define gcw ((GCheckboxObject *)gh) + + if (gh->type != GW_CHECKBOX) + return; + + switch (shape) { + case GCHBX_NORMAL: + gcw->fn = gwinCheckboxDraw_Normal; + break; + + default: + gcw->fn = gwinCheckboxDraw_Normal; + break; + } + + if (pSelected) { + gcw->set.color = pSelected->color; + } + + if (pUnselected) { + gcw->unset.color = pSelected->color; + } + + #undef gcw +} + +void gwinCheckboxSetEnabled(GHandle gh, bool_t enabled) { + if (gh->type != GW_CHECKBOX) + return; + + gh->enabled = enabled; +} + +void gwinCheckboxDraw(GHandle gh) { + #define gcw ((GCheckboxObject *)gh) + + if (gh->type != GW_CHECKBOX) + return; + + #if GDISP_NEED_CLIP + gdispSetClip(gh->x, gh->y, gh->width, gh->height); + #endif + + gcw->fn(gh, + gcw->gwin.enabled, + gcw->state, + gcw->param); + + #undef gcw +} + +void gwinCheckboxDraw_Normal(GHandle gh, bool_t enabled, bool_t state, void* param) { + (void) enabled; + (void) param; + + if (state) + gdispClear(Green); + else + gdispClear(Red); +} + +#if GFX_USE_GINPUT && GINPUT_NEED_MOUSE + bool_t gwinCheckboxAttachMouse(GHandle gh, uint16_t instance) { + GSourceHandle gsh; + + if (gh->type != GW_CHECKBOX || !(gsh = ginputGetMouse(instance))) + return FALSE; + + return geventAttachSource(&((GCheckboxObject *)gh)->listener, gsh, GLISTEN_MOUSEMETA); + } +#endif + +#endif /* (GFX_USE_GWIN && GWIN_NEED_CHECKBOX) */ +/** @} */ + |