307 lines
8.2 KiB
C
307 lines
8.2 KiB
C
/*
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* This file is subject to the terms of the GFX License. If a copy of
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* the license was not distributed with this file, you can obtain one at:
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*
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* http://ugfx.org/license.html
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*/
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/**
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* @file src/gwin/progressbar.c
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* @brief GWIN sub-system progressbar code.
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*
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* @defgroup Progressbar Progressbar
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* @ingroup GWIN
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*
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* @{
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*/
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#include "gfx.h"
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#if (GFX_USE_GWIN && GWIN_NEED_PROGRESSBAR) || defined(__DOXYGEN__)
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#include "src/gwin/class_gwin.h"
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// Reset the display position back to the value predicted by the saved progressbar position
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static void ResetDisplayPos(GProgressbarObject *gsw) {
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if (gsw->w.g.width < gsw->w.g.height)
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gsw->dpos = gsw->w.g.height-1-((gsw->w.g.height-1)*(gsw->pos-gsw->min))/(gsw->max-gsw->min);
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else
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gsw->dpos = ((gsw->w.g.width-1)*(gsw->pos-gsw->min))/(gsw->max-gsw->min);
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}
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// The progressbar VMT table
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static const gwidgetVMT progressbarVMT = {
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{
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"Progressbar", // The classname
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sizeof(GProgressbarObject), // The object size
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_gwidgetDestroy, // The destroy routine
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_gwidgetRedraw, // The redraw routine
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0, // The after-clear routine
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},
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gwinProgressbarDraw_Std, // The default drawing routine
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#if GINPUT_NEED_MOUSE
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{
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0, // Process mouse down events (NOT USED)
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0, // Process mouse up events
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0, // Process mouse move events
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},
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#endif
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#if GINPUT_NEED_TOGGLE
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{
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0, // 1 toggle role
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0, // Assign Toggles
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0, // Get Toggles
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0, // Process toggle off events (NOT USED)
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0, // Process toggle on events
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},
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#endif
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#if GINPUT_NEED_DIAL
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{
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0, // 1 dial roles
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0, // Assign Dials
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0, // Get Dials
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0, // Process dial move events
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},
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#endif
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};
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GHandle gwinGProgressbarCreate(GDisplay *g, GProgressbarObject *gs, const GWidgetInit *pInit) {
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if (!(gs = (GProgressbarObject *)_gwidgetCreate(g, &gs->w, pInit, &progressbarVMT)))
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return 0;
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gs->min = 0;
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gs->max = 100;
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gs->res = 1;
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gs->pos = 0;
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gs->delay = 0;
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ResetDisplayPos(gs);
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gwinSetVisible((GHandle)gs, pInit->g.show);
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return (GHandle)gs;
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}
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void gwinProgressbarSetRange(GHandle gh, int min, int max) {
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#define gsw ((GProgressbarObject *)gh)
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if (gh->vmt != (gwinVMT *)&progressbarVMT)
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return;
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if (min == max) // prevent divide by 0 errors.
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max++;
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gsw->min = min;
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gsw->max = max;
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gsw->pos = min;
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ResetDisplayPos(gsw);
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#undef gsw
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}
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void gwinProgressbarSetPosition(GHandle gh, int pos) {
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#define gsw ((GProgressbarObject *)gh)
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if (gh->vmt != (gwinVMT *)&progressbarVMT)
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return;
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if (gsw->min <= gsw->max) {
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if (pos < gsw->min) gsw->pos = gsw->min;
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else if (pos > gsw->max) gsw->pos = gsw->max;
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else gsw->pos = pos;
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} else {
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if (pos > gsw->min) gsw->pos = gsw->min;
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else if (pos < gsw->max) gsw->pos = gsw->max;
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else gsw->pos = pos;
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}
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ResetDisplayPos(gsw);
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_gwidgetRedraw(gh);
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#undef gsw
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}
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void gwinProgressbarSetResolution(GHandle gh, int resolution) {
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#define gsw ((GProgressbarObject *)gh)
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if (gh->vmt != (gwinVMT *)&progressbarVMT)
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return;
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if (resolution <= 0)
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resolution = 1;
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gsw->res = resolution;
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#undef gsw
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}
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void gwinProgressbarIncrement(GHandle gh) {
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#define gsw ((GProgressbarObject *)gh)
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if (gh->vmt != (gwinVMT *)&progressbarVMT)
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return;
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if (gsw->max - gsw->pos > gsw->res)
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gsw->pos += gsw->res;
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else
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gsw->pos = gsw->max;
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ResetDisplayPos(gsw);
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_gwidgetRedraw(gh);
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#undef gsw
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}
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void gwinProgressbarDecrement(GHandle gh) {
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#define gsw ((GProgressbarObject *)gh)
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if (gh->vmt != (gwinVMT *)&progressbarVMT)
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return;
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if (gsw->pos > gsw->res)
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gsw->pos -= gsw->min;
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else
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gsw->pos = gsw->min;
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gsw->pos -= gsw->res;
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ResetDisplayPos(gsw);
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_gwidgetRedraw(gh);
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#undef gsw
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}
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// used by gwinProgressbarStart();
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void _progressbarCallback(void *param) {
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#define gsw ((GProgressbarObject *)gh)
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GHandle gh = (GHandle)param;
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if (gh->vmt != (gwinVMT *)&progressbarVMT)
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return;
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gwinProgressbarIncrement(gh);
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if (gsw->pos < gsw->max)
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gtimerStart(&(gsw->gt), _progressbarCallback, gh, FALSE, gsw->delay);
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#undef gsw
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}
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void gwinProgressbarStart(GHandle gh, delaytime_t delay) {
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#define gsw ((GProgressbarObject *)gh)
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if (gh->vmt != (gwinVMT *)&progressbarVMT)
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return;
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gsw->delay = delay;
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gtimerInit(&(gsw->gt));
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gtimerStart(&(gsw->gt), _progressbarCallback, gh, FALSE, gsw->delay);
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#undef gsw
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}
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void gwinProgressbarStop(GHandle gh) {
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#define gsw ((GProgressbarObject *)gh)
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if (gh->vmt != (gwinVMT *)&progressbarVMT)
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return;
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gtimerStop(&(gsw->gt));
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#undef gsw
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}
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/*----------------------------------------------------------
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* Custom Draw Routines
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*----------------------------------------------------------*/
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void gwinProgressbarDraw_Std(GWidgetObject *gw, void *param) {
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#define gsw ((GProgressbarObject *)gw)
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const GColorSet * pcol;
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(void) param;
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if (gw->g.vmt != (gwinVMT *)&progressbarVMT)
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return;
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if ((gw->g.flags & GWIN_FLG_ENABLED))
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pcol = &gw->pstyle->pressed;
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else
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pcol = &gw->pstyle->disabled;
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if (gw->g.width < gw->g.height) { // Vertical progressbar
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if (gsw->dpos != gw->g.height-1)
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gdispGFillArea(gw->g.display, gw->g.x, gw->g.y+gsw->dpos, gw->g.width, gw->g.height - gsw->dpos, pcol->progress); // Active Area
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if (gsw->dpos != 0)
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gdispGFillArea(gw->g.display, gw->g.x, gw->g.y, gw->g.width, gsw->dpos, gw->pstyle->enabled.progress); // Inactive area
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gdispGDrawBox(gw->g.display, gw->g.x, gw->g.y, gw->g.width, gw->g.height, pcol->edge); // Edge
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gdispGDrawLine(gw->g.display, gw->g.x, gw->g.y+gsw->dpos, gw->g.x+gw->g.width-1, gw->g.y+gsw->dpos, pcol->edge); // Thumb
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// Horizontal progressbar
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} else {
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if (gsw->dpos != gw->g.width-1)
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gdispGFillArea(gw->g.display, gw->g.x+gsw->dpos, gw->g.y, gw->g.width-gsw->dpos, gw->g.height, gw->pstyle->enabled.progress); // Inactive area
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if (gsw->dpos != 0)
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gdispGFillArea(gw->g.display, gw->g.x, gw->g.y, gsw->dpos, gw->g.height, pcol->progress); // Active Area
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gdispGDrawBox(gw->g.display, gw->g.x, gw->g.y, gw->g.width, gw->g.height, pcol->edge); // Edge
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gdispGDrawLine(gw->g.display, gw->g.x+gsw->dpos, gw->g.y, gw->g.x+gsw->dpos, gw->g.y+gw->g.height-1, pcol->edge); // Thumb
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}
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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);
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#undef gsw
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}
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#if GDISP_NEED_IMAGE
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void gwinProgressbarDraw_Image(GWidgetObject *gw, void *param) {
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#define gsw ((GProgressbarObject *)gw)
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#define gi ((gdispImage *)param)
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const GColorSet * pcol;
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coord_t z, v;
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if (gw->g.vmt != (gwinVMT *)&progressbarVMT)
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return;
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if ((gw->g.flags & GWIN_FLG_ENABLED))
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pcol = &gw->pstyle->pressed;
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else
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pcol = &gw->pstyle->disabled;
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if (gw->g.width < gw->g.height) { // Vertical progressbar
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if (gsw->dpos != 0) // The unfilled area
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gdispGFillArea(gw->g.display, gw->g.x, gw->g.y, gw->g.width, gsw->dpos, gw->pstyle->enabled.progress); // Inactive area
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if (gsw->dpos != gw->g.height-1) { // The filled area
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for(z=gw->g.height, v=gi->height; z > gsw->dpos;) {
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z -= v;
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if (z < gsw->dpos) {
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v -= gsw->dpos - z;
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z = gsw->dpos;
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}
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gdispGImageDraw(gw->g.display, gi, gw->g.x, gw->g.y+z, gw->g.width, v, 0, gi->height-v);
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}
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}
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gdispGDrawBox(gw->g.display, gw->g.x, gw->g.y, gw->g.width, gw->g.height, pcol->edge); // Edge
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gdispGDrawLine(gw->g.display, gw->g.x, gw->g.y+gsw->dpos, gw->g.x+gw->g.width-1, gw->g.y+gsw->dpos, pcol->edge); // Thumb
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// Horizontal progressbar
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} else {
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if (gsw->dpos != gw->g.width-1) // The unfilled area
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gdispGFillArea(gw->g.display, gw->g.x+gsw->dpos, gw->g.y, gw->g.width-gsw->dpos, gw->g.height, gw->pstyle->enabled.progress); // Inactive area
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if (gsw->dpos != 0) { // The filled area
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for(z=0, v=gi->width; z < gsw->dpos; z += v) {
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if (z+v > gsw->dpos)
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v -= z+v - gsw->dpos;
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gdispGImageDraw(gw->g.display, gi, gw->g.x+z, gw->g.y, v, gw->g.height, 0, 0);
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}
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}
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gdispGDrawBox(gw->g.display, gw->g.x, gw->g.y, gw->g.width, gw->g.height, pcol->edge); // Edge
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gdispGDrawLine(gw->g.display, gw->g.x+gsw->dpos, gw->g.y, gw->g.x+gsw->dpos, gw->g.y+gw->g.height-1, pcol->edge); // Thumb
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}
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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);
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#undef gsw
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}
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#endif /* GDISP_NEED_IMAGE */
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#endif /* GFX_USE_GWIN && GWIN_NEED_BUTTON */
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/** @} */
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