diff options
Diffstat (limited to 'src/gwin/gwin_radio.c')
-rw-r--r-- | src/gwin/gwin_radio.c | 280 |
1 files changed, 280 insertions, 0 deletions
diff --git a/src/gwin/gwin_radio.c b/src/gwin/gwin_radio.c new file mode 100644 index 00000000..0bafa7cc --- /dev/null +++ b/src/gwin/gwin_radio.c @@ -0,0 +1,280 @@ +/* + * 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_radio.c + * @brief GWIN sub-system radio button code + */ + +#include "gfx.h" + +#if GFX_USE_GWIN && GWIN_NEED_RADIO + +#include "gwin_class.h" + +#define GRADIO_TAB_CNR 8 // Diagonal corner on active tab +#define GRADIO_TOP_FADE 50 // (GRADIO_TOP_FADE/255)% fade to white for top of tab/button +#define GRADIO_BOTTOM_FADE 25 // (GRADIO_BOTTOM_FADE/255)% fade to black for bottom of tab/button +#define GRADIO_OUTLINE_FADE 128 // (GRADIO_OUTLINE_FADE/255)% fade to background for active tab edge + +// Our pressed state +#define GRADIO_FLG_PRESSED (GWIN_FIRST_CONTROL_FLAG<<0) + +// Send the button event +static void SendRadioEvent(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->gwin = (GHandle)gw; + pbe->group = ((GRadioObject *)gw)->group; + #if GWIN_WIDGET_TAGS + pbe->tag = gw->tag; + #endif + 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; + + gwinRadioPress((GHandle)gw); + } +#endif + +#if GINPUT_NEED_TOGGLE + // A toggle on has occurred + static void ToggleOn(GWidgetObject *gw, uint16_t role) { + (void) role; + + gwinRadioPress((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 gwinGRadioCreate(GDisplay *g, GRadioObject *gw, const GWidgetInit *pInit, uint16_t group) { + if (!(gw = (GRadioObject *)_gwidgetCreate(g, &gw->w, pInit, &radioVMT))) + return 0; + + #if GINPUT_NEED_TOGGLE + gw->toggle = GWIDGET_NO_INSTANCE; + #endif + gw->group = group; + gwinSetVisible((GHandle)gw, pInit->g.show); + return (GHandle)gw; +} + +void gwinRadioPress(GHandle gh) { + GHandle gx; + + if (gh->vmt != (gwinVMT *)&radioVMT || (gh->flags & GRADIO_FLG_PRESSED)) + return; + + if ((gx = gwinRadioGetActive(((GRadioObject *)gh)->group))) { + gx->flags &= ~GRADIO_FLG_PRESSED; + _gwinUpdate(gx); + } + gh->flags |= GRADIO_FLG_PRESSED; + _gwinUpdate(gh); + SendRadioEvent((GWidgetObject *)gh); +} + +bool_t gwinRadioIsPressed(GHandle gh) { + if (gh->vmt != (gwinVMT *)&radioVMT) + return FALSE; + + return (gh->flags & GRADIO_FLG_PRESSED) ? TRUE : FALSE; +} + +GHandle gwinRadioGetActive(uint16_t group) { + GHandle gh; + + for(gh = gwinGetNextWindow(0); gh; gh = gwinGetNextWindow(gh)) { + if (gh->vmt == (gwinVMT *)&radioVMT && ((GRadioObject *)gh)->group == group && (gh->flags & GRADIO_FLG_PRESSED)) + return gh; + } + return 0; +} + +/*---------------------------------------------------------- + * Custom Draw Routines + *----------------------------------------------------------*/ + +static const GColorSet *getDrawColors(GWidgetObject *gw) { + if (!(gw->g.flags & GWIN_FLG_SYSENABLED)) return &gw->pstyle->disabled; + if ((gw->g.flags & GRADIO_FLG_PRESSED)) return &gw->pstyle->pressed; + return &gw->pstyle->enabled; +} + +void gwinRadioDraw_Radio(GWidgetObject *gw, void *param) { + #define gcw ((GRadioObject *)gw) + coord_t ld, df; + const GColorSet * 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-1)/2; + gdispGFillArea(gw->g.display, gw->g.x, gw->g.y, ld, ld, gw->pstyle->background); + gdispGDrawCircle(gw->g.display, gw->g.x+df, gw->g.y+df, df, pcol->edge); + + if (gw->g.flags & GRADIO_FLG_PRESSED) + gdispGFillCircle(gw->g.display, gw->g.x+df, gw->g.y+df, df <= 2 ? 1 : (df-2), pcol->fill); + #else + 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 & GRADIO_FLG_PRESSED) + gdispGFillArea(gw->g.display, gw->g.x+df, gw->g.y+df, ld-2*df, ld-2*df, pcol->fill); + #endif + + 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 +} + +#if GWIN_FLAT_STYLING + void gwinRadioDraw_Button(GWidgetObject *gw, void *param) { + const GColorSet * pcol; + (void) param; + + if (gw->g.vmt != (gwinVMT *)&radioVMT) return; + pcol = getDrawColors(gw); + + gdispGFillStringBox(gw->g.display, gw->g.x, gw->g.y, gw->g.width-1, gw->g.height-1, gw->text, gw->g.font, pcol->text, pcol->fill, justifyCenter); + gdispGDrawLine(gw->g.display, 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->edge); + gdispGDrawLine(gw->g.display, 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->edge); + } + void gwinRadioDraw_Tab(GWidgetObject *gw, void *param) { + const GColorSet * pcol; + (void) param; + + if (gw->g.vmt != (gwinVMT *)&radioVMT) return; + pcol = getDrawColors(gw); + + if ((gw->g.flags & GRADIO_FLG_PRESSED)) { + gdispGDrawBox(gw->g.display, gw->g.x, gw->g.y, gw->g.width, gw->g.height, pcol->edge); + gdispGFillStringBox(gw->g.display, gw->g.x+1, gw->g.y+1, gw->g.width-2, gw->g.height-1, gw->text, gw->g.font, pcol->text, pcol->fill, justifyCenter); + } else { + gdispGFillStringBox(gw->g.display, gw->g.x, gw->g.y, gw->g.width-1, gw->g.height-1, gw->text, gw->g.font, pcol->text, pcol->fill, justifyCenter); + gdispGDrawLine(gw->g.display, 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->edge); + gdispGDrawLine(gw->g.display, 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->edge); + } + } +#else + void gwinRadioDraw_Button(GWidgetObject *gw, void *param) { + const GColorSet * pcol; + fixed alpha; + fixed dalpha; + coord_t i; + color_t tcol, bcol; + (void) param; + + if (gw->g.vmt != (gwinVMT *)&radioVMT) return; + pcol = getDrawColors(gw); + + /* Fill the box blended from variants of the fill color */ + tcol = gdispBlendColor(White, pcol->fill, GRADIO_TOP_FADE); + bcol = gdispBlendColor(Black, pcol->fill, GRADIO_BOTTOM_FADE); + dalpha = FIXED(255)/gw->g.height; + for(alpha = 0, i = 0; i < gw->g.height; i++, alpha += dalpha) + gdispGDrawLine(gw->g.display, gw->g.x, gw->g.y+i, gw->g.x+gw->g.width-2, gw->g.y+i, gdispBlendColor(bcol, tcol, NONFIXED(alpha))); + + gdispGDrawStringBox(gw->g.display, gw->g.x, gw->g.y, gw->g.width-1, gw->g.height-1, gw->text, gw->g.font, pcol->text, justifyCenter); + gdispGDrawLine(gw->g.display, 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->edge); + gdispGDrawLine(gw->g.display, 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->edge); + } + void gwinRadioDraw_Tab(GWidgetObject *gw, void *param) { + const GColorSet * pcol; + fixed alpha; + fixed dalpha; + coord_t i; + color_t tcol, bcol; + (void) param; + + if (gw->g.vmt != (gwinVMT *)&radioVMT) return; + pcol = getDrawColors(gw); + + if ((gw->g.flags & GRADIO_FLG_PRESSED)) { + tcol = gdispBlendColor(pcol->edge, gw->pstyle->background, GRADIO_OUTLINE_FADE); + gdispGFillStringBox(gw->g.display, gw->g.x, gw->g.y, gw->g.width, gw->g.height, gw->text, gw->g.font, pcol->text, gw->g.bgcolor, justifyCenter); + gdispGDrawLine(gw->g.display, gw->g.x, gw->g.y, gw->g.x+gw->g.width-(GRADIO_TAB_CNR+1), gw->g.y, tcol); + gdispGDrawLine(gw->g.display, gw->g.x+gw->g.width-(GRADIO_TAB_CNR+1), gw->g.y, gw->g.x+gw->g.width-1, gw->g.y+GRADIO_TAB_CNR, tcol); + gdispGDrawLine(gw->g.display, gw->g.x+gw->g.width-1, gw->g.y+GRADIO_TAB_CNR, gw->g.x+gw->g.width-1, gw->g.y+gw->g.height-1, tcol); + } else { + /* Fill the box blended from variants of the fill color */ + tcol = gdispBlendColor(White, pcol->fill, GRADIO_TOP_FADE); + bcol = gdispBlendColor(Black, pcol->fill, GRADIO_BOTTOM_FADE); + dalpha = FIXED(255)/gw->g.height; + for(alpha = 0, i = 0; i < gw->g.height; i++, alpha += dalpha) + gdispGDrawLine(gw->g.display, gw->g.x, gw->g.y+i, gw->g.x+gw->g.width-2, gw->g.y+i, gdispBlendColor(bcol, tcol, NONFIXED(alpha))); + gdispGDrawLine(gw->g.display, 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->edge); + gdispGDrawStringBox(gw->g.display, gw->g.x+1, gw->g.y+1, gw->g.width-2, gw->g.height-2, gw->text, gw->g.font, pcol->text, justifyCenter); + } + } +#endif + +#endif /* GFX_USE_GWIN && GWIN_NEED_BUTTON */ |