diff options
Diffstat (limited to 'src/gwin/gwin_button.c')
-rw-r--r-- | src/gwin/gwin_button.c | 328 |
1 files changed, 328 insertions, 0 deletions
diff --git a/src/gwin/gwin_button.c b/src/gwin/gwin_button.c new file mode 100644 index 00000000..35627cfb --- /dev/null +++ b/src/gwin/gwin_button.c @@ -0,0 +1,328 @@ +/* + * 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_button.c + * @brief GWIN sub-system button code + */ + +#include "gfx.h" + +#if GFX_USE_GWIN && GWIN_NEED_BUTTON + +#include "gwin_class.h" + +// Parameters for various shapes +#define RND_CNR_SIZE 5 // Rounded corner size for rounded buttons +#define ARROWHEAD_DIVIDER 4 // A quarter of the height for the arrow head +#define ARROWBODY_DIVIDER 4 // A quarter of the width for the arrow body +#define TOP_FADE 50 // (TOP_FADE/255)% fade to white for top of button +#define BOTTOM_FADE 25 // (BOTTOM_FADE/255)% fade to black for bottom of button + +// Our pressed state +#define GBUTTON_FLG_PRESSED (GWIN_FIRST_CONTROL_FLAG<<0) + +#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; + gw->g.flags |= GBUTTON_FLG_PRESSED; + _gwinUpdate((GHandle)gw); + } + + // A mouse up has occurred (it may or may not be over the button) + static void MouseUp(GWidgetObject *gw, coord_t x, coord_t y) { + (void) x; (void) y; + gw->g.flags &= ~GBUTTON_FLG_PRESSED; + _gwinUpdate((GHandle)gw); + + #if !GWIN_BUTTON_LAZY_RELEASE + // If the mouse up was not over the button then cancel the event + if (x < 0 || y < 0 || x >= gw->g.width || y >= gw->g.height) + return; + #endif + + _gwinSendEvent(&gw->g, GEVENT_GWIN_BUTTON); + } +#endif + +#if GINPUT_NEED_TOGGLE + // A toggle off has occurred + static void ToggleOff(GWidgetObject *gw, uint16_t role) { + (void) role; + gw->g.flags &= ~GBUTTON_FLG_PRESSED; + _gwinUpdate((GHandle)gw); + } + + // A toggle on has occurred + static void ToggleOn(GWidgetObject *gw, uint16_t role) { + (void) role; + gw->g.flags |= GBUTTON_FLG_PRESSED; + _gwinUpdate((GHandle)gw); + // Trigger the event on button down (different than for mouse/touch) + _gwinSendEvent(&gw->g, GEVENT_GWIN_BUTTON); + } + + static void ToggleAssign(GWidgetObject *gw, uint16_t role, uint16_t instance) { + (void) role; + ((GButtonObject *)gw)->toggle = instance; + } + + static uint16_t ToggleGet(GWidgetObject *gw, uint16_t role) { + (void) role; + return ((GButtonObject *)gw)->toggle; + } +#endif + +// The button VMT table +static const gwidgetVMT buttonVMT = { + { + "Button", // The classname + sizeof(GButtonObject), // The object size + _gwidgetDestroy, // The destroy routine + _gwidgetRedraw, // The redraw routine + 0, // The after-clear routine + }, + gwinButtonDraw_Normal, // The default drawing routine + #if GINPUT_NEED_MOUSE + { + MouseDown, // Process mouse down events + MouseUp, // Process mouse up events + 0, // Process mouse move events (NOT USED) + }, + #endif + #if GINPUT_NEED_TOGGLE + { + 1, // 1 toggle role + ToggleAssign, // Assign Toggles + ToggleGet, // Get Toggles + ToggleOff, // Process toggle off events + 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 gwinGButtonCreate(GDisplay *g, GButtonObject *gw, const GWidgetInit *pInit) { + if (!(gw = (GButtonObject *)_gwidgetCreate(g, &gw->w, pInit, &buttonVMT))) + return 0; + + #if GINPUT_NEED_TOGGLE + gw->toggle = GWIDGET_NO_INSTANCE; + #endif + gwinSetVisible((GHandle)gw, pInit->g.show); + return (GHandle)gw; +} + +bool_t gwinButtonIsPressed(GHandle gh) { + if (gh->vmt != (gwinVMT *)&buttonVMT) + return FALSE; + + return (gh->flags & GBUTTON_FLG_PRESSED) ? 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 & GBUTTON_FLG_PRESSED)) return &gw->pstyle->pressed; + return &gw->pstyle->enabled; +} + +#if GWIN_FLAT_STYLING + void gwinButtonDraw_Normal(GWidgetObject *gw, void *param) { + const GColorSet * pcol; + (void) param; + + if (gw->g.vmt != (gwinVMT *)&buttonVMT) 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); + } +#else + void gwinButtonDraw_Normal(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 *)&buttonVMT) return; + pcol = getDrawColors(gw); + + /* Fill the box blended from variants of the fill color */ + tcol = gdispBlendColor(White, pcol->fill, TOP_FADE); + bcol = gdispBlendColor(Black, pcol->fill, 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); + } +#endif + +#if GDISP_NEED_ARC + void gwinButtonDraw_Rounded(GWidgetObject *gw, void *param) { + const GColorSet * pcol; + (void) param; + + if (gw->g.vmt != (gwinVMT *)&buttonVMT) return; + pcol = getDrawColors(gw); + + gdispGFillArea(gw->g.display, gw->g.x, gw->g.y, gw->g.width, gw->g.height, gw->pstyle->background); + if (gw->g.width >= 2*RND_CNR_SIZE+10) { + gdispGFillRoundedBox(gw->g.display, gw->g.x+1, gw->g.y+1, gw->g.width-2, gw->g.height-2, RND_CNR_SIZE-1, pcol->fill); + gdispGDrawStringBox(gw->g.display, gw->g.x+1, gw->g.y+RND_CNR_SIZE, gw->g.width-2, gw->g.height-(2*RND_CNR_SIZE), gw->text, gw->g.font, pcol->text, justifyCenter); + gdispGDrawRoundedBox(gw->g.display, gw->g.x, gw->g.y, gw->g.width, gw->g.height, RND_CNR_SIZE, pcol->edge); + } else { + gdispGFillStringBox(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, pcol->fill, justifyCenter); + gdispGDrawBox(gw->g.display, gw->g.x, gw->g.y, gw->g.width, gw->g.height, pcol->edge); + } + } +#endif + +#if GDISP_NEED_ELLIPSE + void gwinButtonDraw_Ellipse(GWidgetObject *gw, void *param) { + const GColorSet * pcol; + (void) param; + + if (gw->g.vmt != (gwinVMT *)&buttonVMT) return; + pcol = getDrawColors(gw); + + gdispGFillArea(gw->g.display, gw->g.x, gw->g.y, gw->g.width, gw->g.height, gw->pstyle->background); + gdispGFillEllipse(gw->g.display, gw->g.x+1, gw->g.y+1, gw->g.width/2-1, gw->g.height/2-1, pcol->fill); + 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); + gdispGDrawEllipse(gw->g.display, gw->g.x, gw->g.y, gw->g.width/2, gw->g.height/2, pcol->edge); + } +#endif + +#if GDISP_NEED_CONVEX_POLYGON + void gwinButtonDraw_ArrowUp(GWidgetObject *gw, void *param) { + const GColorSet * pcol; + (void) param; + point arw[7]; + + if (gw->g.vmt != (gwinVMT *)&buttonVMT) return; + pcol = getDrawColors(gw); + + arw[0].x = gw->g.width/2; arw[0].y = 0; + arw[1].x = gw->g.width-1; arw[1].y = gw->g.height/ARROWHEAD_DIVIDER; + arw[2].x = (gw->g.width + gw->g.width/ARROWBODY_DIVIDER)/2; arw[2].y = gw->g.height/ARROWHEAD_DIVIDER; + arw[3].x = (gw->g.width + gw->g.width/ARROWBODY_DIVIDER)/2; arw[3].y = gw->g.height-1; + arw[4].x = (gw->g.width - gw->g.width/ARROWBODY_DIVIDER)/2; arw[4].y = gw->g.height-1; + arw[5].x = (gw->g.width - gw->g.width/ARROWBODY_DIVIDER)/2; arw[5].y = gw->g.height/ARROWHEAD_DIVIDER; + arw[6].x = 0; arw[6].y = gw->g.height/ARROWHEAD_DIVIDER; + + gdispGFillArea(gw->g.display, gw->g.x, gw->g.y, gw->g.width, gw->g.height, gw->pstyle->background); + gdispGFillConvexPoly(gw->g.display, gw->g.x, gw->g.y, arw, 7, pcol->fill); + gdispGDrawPoly(gw->g.display, gw->g.x, gw->g.y, arw, 7, 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); + } + + void gwinButtonDraw_ArrowDown(GWidgetObject *gw, void *param) { + const GColorSet * pcol; + (void) param; + point arw[7]; + + if (gw->g.vmt != (gwinVMT *)&buttonVMT) return; + pcol = getDrawColors(gw); + + arw[0].x = gw->g.width/2; arw[0].y = gw->g.height-1; + arw[1].x = gw->g.width-1; arw[1].y = gw->g.height-1-gw->g.height/ARROWHEAD_DIVIDER; + arw[2].x = (gw->g.width + gw->g.width/ARROWBODY_DIVIDER)/2; arw[2].y = gw->g.height-1-gw->g.height/ARROWHEAD_DIVIDER; + arw[3].x = (gw->g.width + gw->g.width/ARROWBODY_DIVIDER)/2; arw[3].y = 0; + arw[4].x = (gw->g.width - gw->g.width/ARROWBODY_DIVIDER)/2; arw[4].y = 0; + arw[5].x = (gw->g.width - gw->g.width/ARROWBODY_DIVIDER)/2; arw[5].y = gw->g.height-1-gw->g.height/ARROWHEAD_DIVIDER; + arw[6].x = 0; arw[6].y = gw->g.height-1-gw->g.height/ARROWHEAD_DIVIDER; + + gdispGFillArea(gw->g.display, gw->g.x, gw->g.y, gw->g.width, gw->g.height, gw->pstyle->background); + gdispGFillConvexPoly(gw->g.display, gw->g.x, gw->g.y, arw, 7, pcol->fill); + gdispGDrawPoly(gw->g.display, gw->g.x, gw->g.y, arw, 7, 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); + } + + void gwinButtonDraw_ArrowLeft(GWidgetObject *gw, void *param) { + const GColorSet * pcol; + (void) param; + point arw[7]; + + if (gw->g.vmt != (gwinVMT *)&buttonVMT) return; + pcol = getDrawColors(gw); + + arw[0].x = 0; arw[0].y = gw->g.height/2; + arw[1].x = gw->g.width/ARROWHEAD_DIVIDER; arw[1].y = 0; + arw[2].x = gw->g.width/ARROWHEAD_DIVIDER; arw[2].y = (gw->g.height - gw->g.height/ARROWBODY_DIVIDER)/2; + arw[3].x = gw->g.width-1; arw[3].y = (gw->g.height - gw->g.height/ARROWBODY_DIVIDER)/2; + arw[4].x = gw->g.width-1; arw[4].y = (gw->g.height + gw->g.height/ARROWBODY_DIVIDER)/2; + arw[5].x = gw->g.width/ARROWHEAD_DIVIDER; arw[5].y = (gw->g.height + gw->g.height/ARROWBODY_DIVIDER)/2; + arw[6].x = gw->g.width/ARROWHEAD_DIVIDER; arw[6].y = gw->g.height-1; + + gdispGFillArea(gw->g.display, gw->g.x, gw->g.y, gw->g.width, gw->g.height, gw->pstyle->background); + gdispGFillConvexPoly(gw->g.display, gw->g.x, gw->g.y, arw, 7, pcol->fill); + gdispGDrawPoly(gw->g.display, gw->g.x, gw->g.y, arw, 7, 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); + } + + void gwinButtonDraw_ArrowRight(GWidgetObject *gw, void *param) { + const GColorSet * pcol; + (void) param; + point arw[7]; + + if (gw->g.vmt != (gwinVMT *)&buttonVMT) return; + pcol = getDrawColors(gw); + + arw[0].x = gw->g.width-1; arw[0].y = gw->g.height/2; + arw[1].x = gw->g.width-1-gw->g.width/ARROWHEAD_DIVIDER; arw[1].y = 0; + arw[2].x = gw->g.width-1-gw->g.width/ARROWHEAD_DIVIDER; arw[2].y = (gw->g.height - gw->g.height/ARROWBODY_DIVIDER)/2; + arw[3].x = 0; arw[3].y = (gw->g.height - gw->g.height/ARROWBODY_DIVIDER)/2; + arw[4].x = 0; arw[4].y = (gw->g.height + gw->g.height/ARROWBODY_DIVIDER)/2; + arw[5].x = gw->g.width-1-gw->g.width/ARROWHEAD_DIVIDER; arw[5].y = (gw->g.height + gw->g.height/ARROWBODY_DIVIDER)/2; + arw[6].x = gw->g.width-1-gw->g.width/ARROWHEAD_DIVIDER; arw[6].y = gw->g.height-1; + + gdispGFillArea(gw->g.display, gw->g.x, gw->g.y, gw->g.width, gw->g.height, gw->pstyle->background); + gdispGFillConvexPoly(gw->g.display, gw->g.x, gw->g.y, arw, 7, pcol->fill); + gdispGDrawPoly(gw->g.display, gw->g.x, gw->g.y, arw, 7, 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 + +#if GDISP_NEED_IMAGE || defined(__DOXYGEN__) + void gwinButtonDraw_Image(GWidgetObject *gw, void *param) { + const GColorSet * pcol; + coord_t sy; + + if (gw->g.vmt != (gwinVMT *)&buttonVMT) return; + pcol = getDrawColors(gw); + + if (!(gw->g.flags & GWIN_FLG_SYSENABLED)) { + sy = 2 * gw->g.height; + } else if ((gw->g.flags & GBUTTON_FLG_PRESSED)) { + sy = gw->g.height; + } else { + sy = 0; + } + + gdispGImageDraw(gw->g.display, (gdispImage *)param, gw->g.x, gw->g.y, gw->g.width, gw->g.height, 0, sy); + 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 */ |