ugfx/src/gwin/progressbar.c

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/*
* 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/progressbar.c
* @brief GWIN sub-system progressbar code
*/
#include "gfx.h"
#if (GFX_USE_GWIN && GWIN_NEED_PROGRESSBAR) || defined(__DOXYGEN__)
#include "src/gwin/class_gwin.h"
// Reset the display position back to the value predicted by the saved progressbar position
static void ResetDisplayPos(GProgressbarObject *gsw) {
if (gsw->w.g.width < gsw->w.g.height)
gsw->dpos = gsw->w.g.height-1-((gsw->w.g.height-1)*(gsw->pos-gsw->min))/(gsw->max-gsw->min);
else
gsw->dpos = ((gsw->w.g.width-1)*(gsw->pos-gsw->min))/(gsw->max-gsw->min);
}
// We have to deinitialize the timer which auto updates the progressbar if any
static void _destroy(GHandle gh) {
#if GWIN_PROGRESSBAR_AUTO
gtimerDeinit( &((GProgressbarObject *)gh)->gt );
#endif
_gwidgetDestroy(gh);
}
// The progressbar VMT table
static const gwidgetVMT progressbarVMT = {
{
"Progressbar", // The classname
sizeof(GProgressbarObject), // The object size
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_destroy, // The destroy routine
_gwidgetRedraw, // The redraw routine
0, // The after-clear routine
},
gwinProgressbarDraw_Std, // The default drawing routine
#if GINPUT_NEED_MOUSE
{
0, // Process mouse down events (NOT USED)
0, // Process mouse up events
0, // Process mouse move events
},
#endif
#if GINPUT_NEED_TOGGLE
{
0, // 1 toggle role
0, // Assign Toggles
0, // Get Toggles
0, // Process toggle off events (NOT USED)
0, // Process toggle on events
},
#endif
#if GINPUT_NEED_DIAL
{
0, // 1 dial roles
0, // Assign Dials
0, // Get Dials
0, // Process dial move events
},
#endif
};
GHandle gwinGProgressbarCreate(GDisplay *g, GProgressbarObject *gs, const GWidgetInit *pInit) {
if (!(gs = (GProgressbarObject *)_gwidgetCreate(g, &gs->w, pInit, &progressbarVMT)))
return 0;
gs->min = 0;
gs->max = 100;
gs->res = 1;
gs->pos = 0;
#if GWIN_PROGRESSBAR_AUTO
gs->delay = 0;
gtimerInit(&gs->gt);
#endif
ResetDisplayPos(gs);
gwinSetVisible((GHandle)gs, pInit->g.show);
return (GHandle)gs;
}
void gwinProgressbarSetRange(GHandle gh, int min, int max) {
#define gsw ((GProgressbarObject *)gh)
if (gh->vmt != (gwinVMT *)&progressbarVMT)
return;
if (min == max) // prevent divide by 0 errors.
max++;
gsw->min = min;
gsw->max = max;
gsw->pos = min;
ResetDisplayPos(gsw);
#undef gsw
}
void gwinProgressbarSetPosition(GHandle gh, int pos) {
#define gsw ((GProgressbarObject *)gh)
if (gh->vmt != (gwinVMT *)&progressbarVMT)
return;
if (gsw->min <= gsw->max) {
if (pos < gsw->min) gsw->pos = gsw->min;
else if (pos > gsw->max) gsw->pos = gsw->max;
else gsw->pos = pos;
} else {
if (pos > gsw->min) gsw->pos = gsw->min;
else if (pos < gsw->max) gsw->pos = gsw->max;
else gsw->pos = pos;
}
ResetDisplayPos(gsw);
_gwinUpdate(gh);
#undef gsw
}
void gwinProgressbarSetResolution(GHandle gh, int resolution) {
#define gsw ((GProgressbarObject *)gh)
if (gh->vmt != (gwinVMT *)&progressbarVMT)
return;
if (resolution <= 0)
resolution = 1;
gsw->res = resolution;
#undef gsw
}
void gwinProgressbarIncrement(GHandle gh) {
#define gsw ((GProgressbarObject *)gh)
if (gh->vmt != (gwinVMT *)&progressbarVMT)
return;
if (gsw->max - gsw->pos > gsw->res)
gsw->pos += gsw->res;
else
gsw->pos = gsw->max;
ResetDisplayPos(gsw);
_gwinUpdate(gh);
#undef gsw
}
void gwinProgressbarDecrement(GHandle gh) {
#define gsw ((GProgressbarObject *)gh)
if (gh->vmt != (gwinVMT *)&progressbarVMT)
return;
if (gsw->pos > gsw->res)
gsw->pos -= gsw->min;
else
gsw->pos = gsw->min;
gsw->pos -= gsw->res;
ResetDisplayPos(gsw);
_gwinUpdate(gh);
#undef gsw
}
#if GWIN_PROGRESSBAR_AUTO
// used by gwinProgressbarStart();
static void _progressbarCallback(void *param) {
#define gsw ((GProgressbarObject *)gh)
GHandle gh = (GHandle)param;
if (gh->vmt != (gwinVMT *)&progressbarVMT)
return;
gwinProgressbarIncrement(gh);
if (gsw->pos < gsw->max)
gtimerStart(&(gsw->gt), _progressbarCallback, gh, FALSE, gsw->delay);
#undef gsw
}
void gwinProgressbarStart(GHandle gh, delaytime_t delay) {
#define gsw ((GProgressbarObject *)gh)
if (gh->vmt != (gwinVMT *)&progressbarVMT)
return;
gsw->delay = delay;
gtimerStart(&(gsw->gt), _progressbarCallback, gh, FALSE, gsw->delay);
#undef gsw
}
void gwinProgressbarStop(GHandle gh) {
#define gsw ((GProgressbarObject *)gh)
if (gh->vmt != (gwinVMT *)&progressbarVMT)
return;
gtimerStop(&(gsw->gt));
#undef gsw
}
#endif /* GWIN_PROGRESSBAR_AUTO */
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/*----------------------------------------------------------
* Custom Draw Routines
*----------------------------------------------------------*/
void gwinProgressbarDraw_Std(GWidgetObject *gw, void *param) {
#define gsw ((GProgressbarObject *)gw)
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const GColorSet * pcol;
(void) param;
if (gw->g.vmt != (gwinVMT *)&progressbarVMT)
return;
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// get the colors right
if ((gw->g.flags & GWIN_FLG_SYSENABLED))
pcol = &gw->pstyle->pressed;
else
pcol = &gw->pstyle->disabled;
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// Vertical progressbar
if (gw->g.width < gw->g.height) {
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
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
gdispGDrawBox(gw->g.display, gw->g.x, gw->g.y, gw->g.width, gw->g.height, pcol->edge); // Edge
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
// Horizontal progressbar
} else {
if (gsw->dpos != gw->g.width-1)
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
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
gdispGDrawBox(gw->g.display, gw->g.x, gw->g.y, gw->g.width, gw->g.height, pcol->edge); // Edge
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
}
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);
#undef gsw
}
#if GDISP_NEED_IMAGE
void gwinProgressbarDraw_Image(GWidgetObject *gw, void *param) {
#define gsw ((GProgressbarObject *)gw)
#define gi ((gdispImage *)param)
const GColorSet * pcol;
coord_t z, v;
if (gw->g.vmt != (gwinVMT *)&progressbarVMT)
return;
if ((gw->g.flags & GWIN_FLG_SYSENABLED))
pcol = &gw->pstyle->pressed;
else
pcol = &gw->pstyle->disabled;
if (gw->g.width < gw->g.height) { // Vertical progressbar
if (gsw->dpos != 0) // The unfilled area
gdispGFillArea(gw->g.display, gw->g.x, gw->g.y, gw->g.width, gsw->dpos, gw->pstyle->enabled.progress); // Inactive area
if (gsw->dpos != gw->g.height-1) { // The filled area
for(z=gw->g.height, v=gi->height; z > gsw->dpos;) {
z -= v;
if (z < gsw->dpos) {
v -= gsw->dpos - z;
z = gsw->dpos;
}
gdispGImageDraw(gw->g.display, gi, gw->g.x, gw->g.y+z, gw->g.width, v, 0, gi->height-v);
}
}
gdispGDrawBox(gw->g.display, gw->g.x, gw->g.y, gw->g.width, gw->g.height, pcol->edge); // Edge
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
// Horizontal progressbar
} else {
if (gsw->dpos != gw->g.width-1) // The unfilled area
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
if (gsw->dpos != 0) { // The filled area
for(z=0, v=gi->width; z < gsw->dpos; z += v) {
if (z+v > gsw->dpos)
v -= z+v - gsw->dpos;
gdispGImageDraw(gw->g.display, gi, gw->g.x+z, gw->g.y, v, gw->g.height, 0, 0);
}
}
gdispGDrawBox(gw->g.display, gw->g.x, gw->g.y, gw->g.width, gw->g.height, pcol->edge); // Edge
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
}
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);
#undef gsw
}
#endif /* GDISP_NEED_IMAGE */
#endif /* GFX_USE_GWIN && GWIN_NEED_BUTTON */