| 1 | /*
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| 2 | * This file is (C) Chris Wohlgemuth 2001/2002
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| 3 | */
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| 4 | /*
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| 5 | * This program is free software; you can redistribute it and/or modify
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| 6 | * it under the terms of the GNU General Public License as published by
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| 7 | * the Free Software Foundation; either version 2, or (at your option)
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| 8 | * any later version.
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| 9 | *
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| 10 | * This program is distributed in the hope that it will be useful,
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| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 13 | * GNU General Public License for more details.
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| 14 | *
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| 15 | * You should have received a copy of the GNU General Public License
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| 16 | * along with this program; see the file COPYING. If not, write to
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| 17 | * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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| 18 | */
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| 19 |
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| 20 | #define INCL_WIN
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| 21 | #define INCL_GPI
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| 22 | #include <os2.h>
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| 23 | #include <stdlib.h>
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| 24 | #include <string.h>
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| 25 | #include <stdio.h>
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| 26 |
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| 27 | /* Window ULONG for the percent bar */
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| 28 | #define QWL_PERCENT 4 /* The location in the window words to store the percent value */
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| 29 | #define QWL_TEXTPTR 8 /* The ptr to our percent bar text */
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| 30 |
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| 31 | /*
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| 32 | * Paint the percent bar and print the label if necessary.
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| 33 | */
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| 34 |
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| 35 | VOID paintPercent(int iPercent, HWND hwnd, HPS hps)
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| 36 | {
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| 37 | POINTL ptlText, aptlText[TXTBOX_COUNT];
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| 38 | RECTL rcl, rcl2;
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| 39 | BOOL bVertical=FALSE;
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| 40 | CHAR * ptrChr=NULL;
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| 41 |
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| 42 | WinQueryWindowRect(hwnd, &rcl);
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| 43 | /* Check if it's a vertical percent bar */
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| 44 | if(rcl.xRight<rcl.yTop)
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| 45 | bVertical=TRUE;
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| 46 | else
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| 47 | bVertical=FALSE;
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| 48 |
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| 49 | GpiCreateLogColorTable(hps, 0, LCOLF_RGB, 0, 0, NULL);
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| 50 |
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| 51 | /* Draw the bar border */
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| 52 | WinDrawBorder(hps, &rcl, 1,1,0,0, 0x800);
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| 53 |
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| 54 | rcl.xLeft = 1;
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| 55 | rcl.xRight -= 1;
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| 56 | rcl.yBottom = 1;
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| 57 | rcl.yTop -= 1;
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| 58 |
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| 59 | if((ptrChr=(char*)WinQueryWindowPtr(hwnd,QWL_TEXTPTR))!=NULLHANDLE)
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| 60 | {
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| 61 | /* Text size */
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| 62 | GpiQueryTextBox(hps, strlen(ptrChr), ptrChr,
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| 63 | TXTBOX_COUNT, (PPOINTL)&aptlText);
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| 64 |
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| 65 | ptlText.x = rcl.xLeft+(((rcl.xRight-rcl.xLeft)
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| 66 | -(aptlText[TXTBOX_BOTTOMRIGHT].x-aptlText[TXTBOX_BOTTOMLEFT].x))/2);
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| 67 | ptlText.y = 3 + rcl.yBottom+(((rcl.yTop-rcl.yBottom)
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| 68 | -(aptlText[TXTBOX_TOPLEFT].y-aptlText[TXTBOX_BOTTOMLEFT].y))/2);
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| 69 | }
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| 70 |
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| 71 | if(!bVertical) {
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| 72 | rcl2.xLeft = rcl.xLeft;
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| 73 | rcl2.xRight = (rcl.xRight-rcl.xLeft)*iPercent/100;
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| 74 | rcl2.yBottom = rcl.yBottom;
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| 75 | rcl2.yTop = rcl.yTop-1;
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| 76 | rcl.xLeft=rcl2.xRight+1;
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| 77 | }
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| 78 | else {
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| 79 | rcl2.xLeft = rcl.xLeft;
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| 80 | rcl2.xRight = rcl.xRight-1;
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| 81 | rcl2.yBottom = rcl.yBottom;
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| 82 | rcl2.yTop = (rcl.yTop-rcl.yBottom)*iPercent/100;
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| 83 | rcl.yBottom=rcl2.yTop+1;
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| 84 | }
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| 85 |
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| 86 | /* Background */
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| 87 | WinFillRect(hps, &rcl,
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| 88 | WinQuerySysColor(HWND_DESKTOP, SYSCLR_DIALOGBACKGROUND, 0));
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| 89 |
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| 90 | /* Percentbar */
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| 91 | if ((rcl2.xRight > rcl2.xLeft && !bVertical)||(rcl2.yTop > rcl2.yBottom && bVertical)) {
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| 92 | ULONG ulBG;
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| 93 |
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| 94 | /* Find color. This color is the background color set within DrDialog */
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| 95 | if(!WinQueryPresParam(hwnd, PP_BACKGROUNDCOLOR, PP_BACKGROUNDCOLORINDEX, NULL, sizeof(ulBG),
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| 96 | &ulBG, QPF_ID2COLORINDEX|QPF_NOINHERIT ))
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| 97 | ulBG=0x002020ff;
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| 98 | GpiSetColor(hps,ulBG );
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| 99 |
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| 100 | rcl2.yBottom+=1;
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| 101 | rcl2.xLeft+=1;
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| 102 |
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| 103 | WinFillRect(hps, &rcl2, ulBG);
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| 104 | WinDrawBorder(hps, &rcl2, 1,1,0,0, 0x400);
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| 105 | }
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| 106 |
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| 107 | /* now print the percentage */
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| 108 | if(ptrChr!=NULLHANDLE)
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| 109 | {
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| 110 | ULONG ulFG;
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| 111 |
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| 112 | /* Find color. This color is the foreground color set within DrDialog */
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| 113 | if(!WinQueryPresParam(hwnd, PP_FOREGROUNDCOLOR, PP_FOREGROUNDCOLORINDEX, NULL, sizeof(ulFG),
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| 114 | &ulFG, QPF_ID2COLORINDEX|QPF_NOINHERIT ))
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| 115 | ulFG=WinQuerySysColor(HWND_DESKTOP, SYSCLR_BUTTONDEFAULT, 0);
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| 116 | GpiSetColor(hps,ulFG );
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| 117 | GpiMove(hps, &ptlText);
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| 118 | GpiCharString(hps, strlen(ptrChr), ptrChr);
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| 119 | }
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| 120 | }
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| 121 |
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| 122 |
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| 123 | /*
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| 124 | * This is the window proc for the percentbar control
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| 125 | */
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| 126 |
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| 127 | MRESULT EXPENTRY percentBarProc(HWND hwnd, ULONG msg, MPARAM mp1, MPARAM mp2)
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| 128 | {
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| 129 | MRESULT mrc;
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| 130 | HPS hps;
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| 131 | PWNDPARAMS pwp;
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| 132 | int iPercent;
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| 133 |
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| 134 | switch(msg) {
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| 135 |
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| 136 | case WM_SETWINDOWPARAMS:
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| 137 | {
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| 138 | pwp=(PWNDPARAMS)mp1;
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| 139 |
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| 140 | if(pwp->fsStatus==WPM_TEXT) {
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| 141 | /* The text changed */
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| 142 | char *ptr;
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| 143 | char *ptr2;
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| 144 |
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| 145 | /* Get the current percent value for the control */
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| 146 | iPercent=atol(pwp->pszText);
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| 147 | if(iPercent>100)
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| 148 | iPercent=100;
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| 149 | if(iPercent<0)
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| 150 | iPercent=0;
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| 151 |
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| 152 | /* Check if there is some text for the bar */
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| 153 | if((ptr=strchr(pwp->pszText, '#'))!=NULLHANDLE) {
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| 154 | /* Everything after the '#' is treated as the label */
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| 155 | if((ptr2=(char*)WinQueryWindowPtr(hwnd,QWL_TEXTPTR))!=NULLHANDLE)
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| 156 | free(ptr2); /* Free the old text */
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| 157 | WinSetWindowPtr(hwnd,QWL_TEXTPTR, NULLHANDLE);
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| 158 | if(*(ptr++)!=0) {
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| 159 | /* There's additional text to print */
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| 160 | if((ptr2=calloc(strlen(ptr)+1, sizeof(char)))!=NULLHANDLE) {
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| 161 | strcpy(ptr2,ptr);
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| 162 | WinSetWindowPtr(hwnd,QWL_TEXTPTR,ptr2);
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| 163 | }
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| 164 | }
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| 165 | }
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| 166 | mrc = WinDefWindowProc(hwnd, msg, mp1, mp2);
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| 167 | WinSetWindowULong(hwnd, QWL_PERCENT,iPercent);
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| 168 | WinInvalidateRect(hwnd, NULLHANDLE,TRUE);
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| 169 | return mrc;
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| 170 | }
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| 171 | break;
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| 172 | }
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| 173 | case WM_DESTROY:
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| 174 | {
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| 175 | char *ptrText;
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| 176 | /* Free the memory allocated for the text */
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| 177 | if((ptrText=(char*)WinQueryWindowPtr(hwnd,QWL_TEXTPTR))!=NULLHANDLE)
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| 178 | free(ptrText);
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| 179 | break;
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| 180 | }
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| 181 | case WM_PRESPARAMCHANGED:
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| 182 | /* The color or the font has changed */
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| 183 | /* Force a repaint of the percent bar */
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| 184 | mrc = WinDefWindowProc(hwnd, msg, mp1, mp2);
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| 185 | if(LONGFROMMP(mp1)==PP_FOREGROUNDCOLOR)
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| 186 | WinInvalidateRect(hwnd, NULLHANDLE,TRUE);
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| 187 | else if(LONGFROMMP(mp1)==PP_BACKGROUNDCOLOR)
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| 188 | WinInvalidateRect(hwnd, NULLHANDLE,TRUE);
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| 189 | else if(LONGFROMMP(mp1)==PP_FONTNAMESIZE)
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| 190 | WinInvalidateRect(hwnd, NULLHANDLE,TRUE);
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| 191 | return mrc;
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| 192 | case WM_PAINT:
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| 193 | {
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| 194 | hps=WinBeginPaint(hwnd, NULLHANDLE, NULLHANDLE);
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| 195 | paintPercent(WinQueryWindowULong(hwnd,QWL_PERCENT), hwnd, hps);
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| 196 | WinEndPaint(hps);
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| 197 | return (MRESULT) FALSE;
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| 198 | }
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| 199 |
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| 200 | default:
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| 201 | break;
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| 202 | }
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| 203 |
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| 204 | mrc = WinDefWindowProc(hwnd, msg, mp1, mp2);
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| 205 | return (mrc);
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| 206 | }
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| 207 |
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| 208 |
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| 209 | BOOL percentRegisterBarClass(void)
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| 210 | {
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| 211 | return WinRegisterClass(WinQueryAnchorBlock(HWND_DESKTOP),"CW_PERCENTBAR", percentBarProc,0L,12);
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| 212 | }
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