1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
|
/*
* Progress control
*
* Copyright 1997 Dimitrie O. Paun
*
* TODO:
* - I do not know what to to on WM_[SG]ET_FONT
* Problems:
* - I think I do not compute correctly the numer of leds to be drawn
*/
#include <stdlib.h>
#include <stdio.h>
#include "windows.h"
#include "sysmetrics.h"
#include "progress.h"
#include "graphics.h"
#include "heap.h"
#include "win.h"
#include "debug.h"
/* Control configuration constants */
#define LED_WIDTH 8
#define LED_GAP 2
/* Work constants */
#define UNKNOWN_PARAM(msg, wParam, lParam) WARN(progress, \
"Unknown parameter(s) for message " #msg \
"(%04x): wp=%04x lp=%08lx\n", msg, wParam, lParam);
#define PROGRESS_GetInfoPtr(wndPtr) ((PROGRESS_INFO *)wndPtr->wExtra)
/***********************************************************************
* PROGRESS_Paint
* Draw the arrows. The background need not be erased.
* If dc!=0, it draws on it
*/
static void PROGRESS_Paint(WND *wndPtr, HDC32 dc)
{
PROGRESS_INFO *infoPtr = PROGRESS_GetInfoPtr(wndPtr);
HBRUSH32 ledBrush;
int rightBar, rightMost;
PAINTSTRUCT32 ps;
RECT32 rect;
HDC32 hdc;
TRACE(progress, "paint pos=%d min=%d, max=%d\n",
infoPtr->CurVal, infoPtr->MinVal, infoPtr->MaxVal);
/* get a dc */
hdc = dc==0 ? BeginPaint32(wndPtr->hwndSelf, &ps) : dc;
/* get the required brush */
ledBrush = GetSysColorBrush32(COLOR_HIGHLIGHT);
/* get rect for the bar, adjusted for the border */
GetClientRect32(wndPtr->hwndSelf, &rect);
/* draw the border */
DrawEdge32(hdc, &rect, BDR_SUNKENOUTER, BF_RECT|BF_ADJUST|BF_MIDDLE);
rect.left++; rect.right--; rect.top++; rect.bottom--;
rightMost = rect.right;
/* compute extent of progress bar */
rightBar = rect.left +
MulDiv32(infoPtr->CurVal-infoPtr->MinVal,
rect.right - rect.left,
infoPtr->MaxVal-infoPtr->MinVal);
/* now draw the bar */
while(rect.left < rightBar) {
rect.right = rect.left+LED_WIDTH;
FillRect32(hdc, &rect, ledBrush);
rect.left = rect.right+LED_GAP;
}
/* clean-up */
if(!dc)
EndPaint32(wndPtr->hwndSelf, &ps);
}
/***********************************************************************
* PROGRESS_CoercePos
* Makes sure the current position (CUrVal) is within bounds.
*/
static void PROGRESS_CoercePos(WND *wndPtr)
{
PROGRESS_INFO *infoPtr = PROGRESS_GetInfoPtr(wndPtr);
if(infoPtr->CurVal < infoPtr->MinVal)
infoPtr->CurVal = infoPtr->MinVal;
if(infoPtr->CurVal > infoPtr->MaxVal)
infoPtr->CurVal = infoPtr->MaxVal;
}
/***********************************************************************
* ProgressWindowProc
*/
LRESULT WINAPI ProgressWindowProc(HWND32 hwnd, UINT32 message,
WPARAM32 wParam, LPARAM lParam)
{
WND *wndPtr = WIN_FindWndPtr(hwnd);
PROGRESS_INFO *infoPtr = PROGRESS_GetInfoPtr(wndPtr);
UINT32 temp;
switch(message)
{
case WM_CREATE:
/* initialize the info struct */
infoPtr->MinVal=0;
infoPtr->MaxVal=100;
infoPtr->CurVal=0;
infoPtr->Step=10;
TRACE(updown, "Progress Ctrl creation, hwnd=%04x\n", hwnd);
break;
case WM_DESTROY:
TRACE(updown, "Progress Ctrl destruction, hwnd=%04x\n", hwnd);
break;
case WM_ERASEBKGND:
/* pretend to erase it here, but we will do it in the paint
function to avoid flicker */
return 1;
case WM_GETFONT:
/* FIXME: What do we need to do? */
break;
case WM_SETFONT:
/* FIXME: What do we need to do? */
break;
case WM_PAINT:
PROGRESS_Paint(wndPtr, wParam);
break;
case PBM_DELTAPOS:
if(lParam)
UNKNOWN_PARAM(PBM_DELTAPOS, wParam, lParam);
temp = infoPtr->CurVal;
if(wParam != 0){
infoPtr->CurVal += (UINT16)wParam;
PROGRESS_CoercePos(wndPtr);
PROGRESS_Paint(wndPtr, 0);
}
return temp;
case PBM_SETPOS:
if (lParam)
UNKNOWN_PARAM(PBM_SETPOS, wParam, lParam);
temp = infoPtr->CurVal;
if(temp != wParam){
infoPtr->CurVal = (UINT16)wParam;
PROGRESS_CoercePos(wndPtr);
PROGRESS_Paint(wndPtr, 0);
}
return temp;
case PBM_SETRANGE:
if (wParam)
UNKNOWN_PARAM(PBM_SETRANGE, wParam, lParam);
temp = MAKELONG(infoPtr->MinVal, infoPtr->MaxVal);
if(temp != lParam){
infoPtr->MinVal = LOWORD(lParam);
infoPtr->MaxVal = HIWORD(lParam);
if(infoPtr->MaxVal <= infoPtr->MinVal)
infoPtr->MaxVal = infoPtr->MinVal+1;
PROGRESS_CoercePos(wndPtr);
PROGRESS_Paint(wndPtr, 0);
}
return temp;
case PBM_SETSTEP:
if (lParam)
UNKNOWN_PARAM(PBM_SETSTEP, wParam, lParam);
temp = infoPtr->Step;
infoPtr->Step = (UINT16)wParam;
return temp;
case PBM_STEPIT:
if (wParam || lParam)
UNKNOWN_PARAM(PBM_STEPIT, wParam, lParam);
temp = infoPtr->CurVal;
infoPtr->CurVal += infoPtr->Step;
if(infoPtr->CurVal > infoPtr->MaxVal)
infoPtr->CurVal = infoPtr->MinVal;
if(temp != infoPtr->CurVal)
PROGRESS_Paint(wndPtr, 0);
return temp;
default:
if (message >= WM_USER)
ERR(progress, "unknown msg %04x wp=%04x lp=%08lx\n",
message, wParam, lParam );
return DefWindowProc32A( hwnd, message, wParam, lParam );
}
return 0;
}
|
