From 5191c278e7195de62b619be58c19ea338c31d54c Mon Sep 17 00:00:00 2001 From: inmarket Date: Sat, 6 Jul 2013 01:46:34 +1000 Subject: Add Radio buttons (can also be used as a Tab group) --- src/gwin/gwin.mk | 1 + src/gwin/radio.c | 260 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 261 insertions(+) create mode 100644 src/gwin/radio.c (limited to 'src/gwin') diff --git a/src/gwin/gwin.mk b/src/gwin/gwin.mk index b9e6a9ee..92b10b7b 100644 --- a/src/gwin/gwin.mk +++ b/src/gwin/gwin.mk @@ -8,4 +8,5 @@ GFXSRC += $(GFXLIB)/src/gwin/gwin.c \ $(GFXLIB)/src/gwin/checkbox.c \ $(GFXLIB)/src/gwin/gimage.c \ $(GFXLIB)/src/gwin/label.c \ + $(GFXLIB)/src/gwin/radio.c \ diff --git a/src/gwin/radio.c b/src/gwin/radio.c new file mode 100644 index 00000000..d1c65dbc --- /dev/null +++ b/src/gwin/radio.c @@ -0,0 +1,260 @@ +/* + * 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://chibios-gfx.com/license.html + */ + +/** + * @file src/gwin/radio.c + * @brief GWIN sub-system radio button code. + * + * @defgroup RadioButton RadioButton + * @ingroup GWIN + * + * @{ + */ + +#include "gfx.h" + +#if GFX_USE_GWIN && GWIN_NEED_RADIO + +#include "gwin/class_gwin.h" + +// Our pressed state +#define GRADIO_FLG_PRESSED (GWIN_FIRST_CONTROL_FLAG<<0) + +// Default color scheme +static const GRadioColors GRadioDefaultColorsUp = { + HTML2COLOR(0x404040), // color_up_edge; + HTML2COLOR(0xE0E0E0), // color_up_fill; + HTML2COLOR(0x000000), // color_up_txt; +}; +static const GRadioColors GRadioDefaultColorsDown = { + HTML2COLOR(0x404040), // color_dn_edge; + HTML2COLOR(0x808080), // color_dn_fill; + HTML2COLOR(0x404040), // color_dn_txt; +}; +static const GRadioColors GRadioDefaultColorsDisabled = { + HTML2COLOR(0x808080), // color_dis_edge; + HTML2COLOR(0xE0E0E0), // color_dis_fill; + HTML2COLOR(0xC0C0C0), // color_dis_txt; +}; + +// Send the button event +static void SendButtonEvent(GWidgetObject *gw) { + GSourceListener * psl; + GEvent * pe; + #define pbe ((GEventGWinRadio *)pe) + + // Trigger a GWIN Button Event + psl = 0; + while ((psl = geventGetSourceListener(GWIDGET_SOURCE, psl))) { + if (!(pe = geventGetEventBuffer(psl))) + continue; + pbe->type = GEVENT_GWIN_RADIO; + pbe->radio = (GHandle)gw; + pbe->group = ((GRadioObject *)gw)->group; + geventSendEvent(psl); + } + + #undef pbe +} + +#if GINPUT_NEED_MOUSE + // A mouse down has occurred over the button + static void MouseDown(GWidgetObject *gw, coord_t x, coord_t y) { + (void) x; (void) y; + + gwinPressRadio((GHandle)gw); + } +#endif + +#if GINPUT_NEED_TOGGLE + // A toggle on has occurred + static void ToggleOn(GWidgetObject *gw, uint16_t role) { + (void) role; + + gwinPressRadio((GHandle)gw); + } + + static void ToggleAssign(GWidgetObject *gw, uint16_t role, uint16_t instance) { + (void) role; + ((GRadioObject *)gw)->toggle = instance; + } + + static uint16_t ToggleGet(GWidgetObject *gw, uint16_t role) { + (void) role; + return ((GRadioObject *)gw)->toggle; + } +#endif + +// The radio button VMT table +static const gwidgetVMT radioVMT = { + { + "Radio", // The classname + sizeof(GRadioObject), // The object size + _gwidgetDestroy, // The destroy routine + _gwidgetRedraw, // The redraw routine + 0, // The after-clear routine + }, + gwinRadioDraw_Radio, // 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 gwinCreateRadio(GRadioObject *gw, const GWidgetInit *pInit, uint16_t group) { + if (!(gw = (GRadioObject *)_gwidgetCreate(&gw->w, pInit, &radioVMT))) + return 0; + + #if GINPUT_NEED_TOGGLE + gw->toggle = GWIDGET_NO_INSTANCE; + #endif + gw->group = group; + gw->c_up = GRadioDefaultColorsUp; + gw->c_dn = GRadioDefaultColorsDown; + gw->c_dis = GRadioDefaultColorsDisabled; + gwinSetVisible((GHandle)gw, pInit->g.show); + return (GHandle)gw; +} + +void gwinSetRadioColors(GHandle gh, const GRadioColors *pUp, const GRadioColors *pDown, const GRadioColors *pDisabled) { + if (gh->vmt != (gwinVMT *)&radioVMT) + return; + + if (pUp) ((GRadioObject *)gh)->c_up = *pUp; + if (pDown) ((GRadioObject *)gh)->c_dn = *pDown; + if (pDisabled) ((GRadioObject *)gh)->c_dis = *pDisabled; +} + +void gwinPressRadio(GHandle gh) { + GHandle gx; + + if (gh->vmt != (gwinVMT *)&radioVMT || (gh->flags & GRADIO_FLG_PRESSED)) + return; + + if ((gx = gwinActiveRadio(((GRadioObject *)gh)->group))) { + gx->flags &= ~GRADIO_FLG_PRESSED; + _gwidgetRedraw(gx); + } + gh->flags |= GRADIO_FLG_PRESSED; + _gwidgetRedraw(gh); + SendButtonEvent((GWidgetObject *)gh); +} + +bool_t gwinIsRadioPressed(GHandle gh) { + if (gh->vmt != (gwinVMT *)&radioVMT) + return FALSE; + + return (gh->flags & GRADIO_FLG_PRESSED) ? TRUE : FALSE; +} + +/** + * @brief Find the currently pressed radio button in the specified group + * @return The handle of the pressed radio button or NULL if none are pressed + * + * @param[in] gh The window handle (must be a radio widget) + * + * @api + */ +GHandle gwinActiveRadio(uint16_t group) { + const gfxQueueASyncItem * qi; + GHandle gh; + + for(qi = gfxQueueASyncPeek(&_GWINList); qi; qi = gfxQueueASyncNext(qi)) { + gh = QItem2GWindow(qi); + if (gh->vmt == (gwinVMT *)&radioVMT && ((GRadioObject *)gh)->group == group && (gh->flags & GRADIO_FLG_PRESSED)) + return gh; + } + return 0; +} + +/*---------------------------------------------------------- + * Custom Draw Routines + *----------------------------------------------------------*/ + +static GRadioColors *getDrawColors(GWidgetObject *gw) { + if (!(gw->g.flags & GWIN_FLG_ENABLED)) return &((GRadioObject *)gw)->c_dis; + if ((gw->g.flags & GRADIO_FLG_PRESSED)) return &((GRadioObject *)gw)->c_dn; + return &((GRadioObject *)gw)->c_up; +} + +void gwinRadioDraw_Radio(GWidgetObject *gw, void *param) { + #define gcw ((GRadioObject *)gw) + coord_t ld, df; + GRadioColors * pcol; + (void) param; + + if (gw->g.vmt != (gwinVMT *)&radioVMT) return; + pcol = getDrawColors(gw); + + ld = gw->g.width < gw->g.height ? gw->g.width : gw->g.height; + + #if GDISP_NEED_CIRCLE + df = ld/2; + gdispFillArea(gw->g.x, gw->g.y, ld, ld, gw->g.bgcolor); + gdispDrawCircle(gw->g.x+df, gw->g.y+df, df, pcol->color_edge); + + if (gw->g.flags & GRADIO_FLG_PRESSED) + gdispFillCircle(gw->g.x+df, gw->g.y+df, df <= 2 ? 1 : (df-2), pcol->color_fill); + #else + gdispFillArea(gw->g.x+1, gw->g.y+1, ld, ld-2, gw->g.bgcolor); + gdispDrawBox(gw->g.x, gw->g.y, ld, ld, pcol->color_edge); + + df = ld < 4 ? 1 : 2; + if (gw->g.flags & GRADIO_FLG_PRESSED) + gdispFillArea(gw->g.x+df, gw->g.y+df, ld-2*df, ld-2*df, pcol->color_fill); + #endif + + gdispFillStringBox(gw->g.x+ld+1, gw->g.y, gw->g.width-ld-1, gw->g.height, gw->txt, gw->g.font, pcol->color_txt, gw->g.bgcolor, justifyLeft); + #undef gcw +} + +void gwinRadioDraw_Button(GWidgetObject *gw, void *param) { + (void) param; + GRadioColors * pcol; + + if (gw->g.vmt != (gwinVMT *)&radioVMT) return; + pcol = getDrawColors(gw); + + gdispFillStringBox(gw->g.x, gw->g.y, gw->g.width-1, gw->g.height-1, gw->txt, gw->g.font, pcol->color_txt, pcol->color_fill, justifyCenter); + gdispDrawLine(gw->g.x+gw->g.width-1, gw->g.y, gw->g.x+gw->g.width-1, gw->g.y+gw->g.height-1, pcol->color_edge); + gdispDrawLine(gw->g.x, gw->g.y+gw->g.height-1, gw->g.x+gw->g.width-2, gw->g.y+gw->g.height-1, pcol->color_edge); +} + +void gwinRadioDraw_Tab(GWidgetObject *gw, void *param) { + (void) param; + GRadioColors * pcol; + + if (gw->g.vmt != (gwinVMT *)&radioVMT) return; + pcol = getDrawColors(gw); + + gdispFillStringBox(gw->g.x+1, gw->g.y+1, gw->g.width-2, gw->g.height-2, gw->txt, gw->g.font, pcol->color_txt, pcol->color_fill, justifyCenter); + gdispDrawBox(gw->g.x, gw->g.y, gw->g.width, gw->g.height, pcol->color_edge); +} + +#endif /* GFX_USE_GWIN && GWIN_NEED_BUTTON */ +/** @} */ + -- cgit v1.2.3