progressbar.c

Very very small GUI. Usefull for small system, without OS or small OS. Event driven, support user m

#include <membox.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <math.h>

#include "GUI.h"
#include "Globalvars.h"
#include "pwin.h"

#include "guidebug.h"

#define PROGRESSBAR_DEFAULT_FONT			F9x15_pwf
extern unsigned char xhuge _HeapGUI[GUI_HEAP_SIZE];

Pw_Timeout ProgressTimeOut;
int ProgressStep;

//------------------------------------------------------
void cbPaintProgressBar (Pw_GC * gc) {
Pw_Window* win;
Pw_Coord w, h, x, y, wt;
int value;
char sv[4];
   win = Pw_GCGetWindow(gc);
   Pw_WindowGetSize(win, &w, &h);
   Pw_DrawFrameRect(gc, 0, 0, w-1, h, 1, NULL);	
   Pw_GCSetFont(gc, ProgressBarFont);//PROGRESSBAR_DEFAULT_FONT); 			 	   	
   value = *(int *)Pw_WindowGetClientData(win);
   wt = value* w / 100;
   if (wt > w) return;
   Pw_DrawGrayTextBackgr(gc, 1, 1 , wt, h-2);
   sprintf(sv, "%0d%%", value);
   wt = Pw_FontGetStringWidth(gc->font, sv);
   x = (w- wt)/2;
   y = Pw_GCGetFontHeight(gc)+1;
   Pw_GCSetColor(gc, pw_white_pixel);
   Pw_DrawString(gc, x, y, sv);			
}

//------------------------------------------------------
int cbProgressBar (Pw_Event * ev) {
Pw_Window * win;
//int CtrlType;
	win = Pw_EventGetWindow(ev); 
//	CtrlType = Pw_WindowGetClientDataId(win);
	switch (Pw_EventGetType(ev)) {

	}
	return FALSE;
}

//------------------------------------------------------
void ResetProgressBar(Pw_Window * progbar) {
    *(int *)Pw_WindowGetClientData(progbar) = 0;
	GUI_TICKER_ON;
//	Pw_WindowRepaint(progbar);
}
//------------------------------------------------------
int ProgressBarTime (Pw_Display* dpy, Pw_Pointer data) {
int * t;
 Pw_Window* win = (Pw_Window*)data; 
 	dpy = dpy;
 	t = (int *)Pw_WindowGetClientData(win);
	(*t) += ProgressStep;					// ~30 sec
	if (*t > 100) ResetProgressBar(win);
	Pw_WindowRepaint(win);
    return(TRUE);  	
}

void SetProgressStep (int step) {
  ProgressStep = step;
}

//------------------------------------------------------
Pw_Window * CreateProgressBar (Pw_Window * Parent, Pw_EventCb cb, int * PtrValue, int x, int y, int w, int h) {
Pw_Window * progbar;
	 	progbar = _calloc_boxh (_HeapGUI);
		cb = cb;
		ProgressStep = 1;
	 	Pw_WindowCreate(Parent, x, y, w, h, progbar);	
		Pw_WindowSetClientDataId(progbar, PROGRESSBAR_ID); 
		if (PtrValue) { 
			*PtrValue = 0;
			Pw_WindowSetClientData(progbar, PtrValue); 		
		};
//		else Pw_WindowSetClientData(progbar, 0); 		

		if (h >= (PROGRESSBAR_DEFAULT_FONT->ascent + PROGRESSBAR_DEFAULT_FONT->descent))
			 ProgressBarFont = PROGRESSBAR_DEFAULT_FONT; 
		else
			 ProgressBarFont = slkscrb_pwf; 
		Pw_WindowSetRepaintCallback(progbar, cbPaintProgressBar);
		if (NULL == cb)	Pw_WindowSetEventCallback(progbar, cbProgressBar);
		Pw_WindowMap(progbar);
	return progbar;
}

//------------------------------------------------------
void DestroyProgressBar(Pw_Window * progbar) {
	Pw_WindowUnmap(progbar);
	Pw_WindowDestroy (progbar);
	Pw_TimeoutDestroy(&Display, &ProgressTimeOut);
	_free_boxh (_HeapGUI, progbar);
}