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
|
/*
* 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://chibios-gfx.com/license.html
*/
#include "gfx.h"
// Used by the NULL window manager
#define MIN_WIN_WIDTH 3
#define MIN_WIN_HEIGHT 3
/*-----------------------------------------------
* The default window manager (GNullWindowManager)
*-----------------------------------------------*/
#if GFX_USE_GWIN && GWIN_NEED_WINDOWMANAGER
#include "gwin/class_gwin.h"
/*-----------------------------------------------
* Data
*-----------------------------------------------*/
static void WM_Init(void);
static void WM_DeInit(void);
static bool_t WM_Add(GHandle gh, const GWindowInit *pInit);
static void WM_Delete(GHandle gh);
static void WM_Visible(GHandle gh);
static void WM_Redim(GHandle gh, coord_t x, coord_t y, coord_t w, coord_t h);
static void WM_Raise(GHandle gh);
static void WM_MinMax(GHandle gh, GWindowMinMax minmax);
static const gwmVMT GNullWindowManagerVMT = {
WM_Init,
WM_DeInit,
WM_Add,
WM_Delete,
WM_Visible,
WM_Redim,
WM_Raise,
WM_MinMax,
};
const GWindowManager GNullWindowManager = {
&GNullWindowManagerVMT,
};
/*-----------------------------------------------
* Window Manager Routines
*-----------------------------------------------*/
static void WM_Init(void) {
// We don't need to do anything here.
// A full window manager would move the windows around, add borders etc
// clear the screen
// cycle through the windows already defined displaying them
// or cut all the window areas out of the screen and clear the remainder
}
static void WM_DeInit(void) {
// We don't need to do anything here.
// A full window manager would remove any borders etc
}
static bool_t WM_Add(GHandle gh, const GWindowInit *pInit) {
// Note the window will not be marked as visible yet
// Put it on the queue
gfxQueueASyncPut(&_GWINList, &gh->wmq);
// Make sure the size is valid
WM_Redim(gh, pInit->x, pInit->y, pInit->width, pInit->height);
return TRUE;
}
static void WM_Delete(GHandle gh) {
// Make the window invisible and clear the area underneath
if ((gh->flags & GWIN_FLG_VISIBLE)) {
gh->flags &= ~GWIN_FLG_VISIBLE;
gdispFillArea(gh->x, gh->y, gh->width, gh->height, gwinGetDefaultBgColor());
}
// Remove it from the queue
gfxQueueASyncRemove(&_GWINList, &gh->wmq);
}
static void WM_Visible(GHandle gh) {
if ((gh->flags & GWIN_FLG_VISIBLE)) {
if (gh->vmt->Redraw) {
#if GDISP_NEED_CLIP
gdispSetClip(gh->x, gh->y, gh->width, gh->height);
#endif
gh->vmt->Redraw(gh);
} else
gwinClear(gh);
// A real window manager would also redraw the borders
}
else
gdispFillArea(gh->x, gh->y, gh->width, gh->height, gwinGetDefaultBgColor());
}
static void WM_Redim(GHandle gh, coord_t x, coord_t y, coord_t w, coord_t h) {
// This is the simplest way of doing it - just clip the the screen
// If it won't fit on the screen move it around until it does.
if (x < 0) { w += x; x = 0; }
if (y < 0) { h += y; y = 0; }
if (x > gdispGetWidth()-MIN_WIN_WIDTH) x = gdispGetWidth()-MIN_WIN_WIDTH;
if (y > gdispGetHeight()-MIN_WIN_HEIGHT) y = gdispGetHeight()-MIN_WIN_HEIGHT;
if (w < MIN_WIN_WIDTH) { w = MIN_WIN_WIDTH; }
if (h < MIN_WIN_HEIGHT) { h = MIN_WIN_HEIGHT; }
if (x+w > gdispGetWidth()) w = gdispGetWidth() - x;
if (y+h > gdispGetHeight()) h = gdispGetHeight() - y;
// If there has been no resize just exit
if (gh->x == x && gh->y == y && gh->width == w && gh->height == h)
return;
// Clear the old area
if ((gh->flags & GWIN_FLG_VISIBLE))
gdispFillArea(gh->x, gh->y, gh->width, gh->height, gwinGetDefaultBgColor());
// Set the new size
gh->x = x; gh->y = y;
gh->width = w; gh->height = h;
// Redraw the window (if possible)
if ((gh->flags & GWIN_FLG_VISIBLE)) {
if (gh->vmt->Redraw) {
#if GDISP_NEED_CLIP
gdispSetClip(gh->x, gh->y, gh->width, gh->height);
#endif
gh->vmt->Redraw(gh);
}
}
}
static void WM_MinMax(GHandle gh, GWindowMinMax minmax) {
(void)gh; (void) minmax;
// We don't support minimising, maximising or restoring
}
static void WM_Raise(GHandle gh) {
// Take it off the list and then put it back on top
// The order of the list then reflects the z-order.
gfxQueueASyncRemove(&_GWINList, &gh->wmq);
gfxQueueASyncPut(&_GWINList, &gh->wmq);
// Redraw the window
if ((gh->flags & GWIN_FLG_VISIBLE)) {
if (gh->vmt->Redraw) {
#if GDISP_NEED_CLIP
gdispSetClip(gh->x, gh->y, gh->width, gh->height);
#endif
gh->vmt->Redraw(gh);
}
}
}
#endif /* GFX_USE_GWIN && GWIN_NEED_WINDOWMANAGER */
/** @} */
|
