KWindowSystem

kwindowshadow.cpp
1/*
2 SPDX-FileCopyrightText: 2019 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
3
4 SPDX-License-Identifier: LGPL-2.1-or-later
5*/
6
7#include "kwindowshadow.h"
8#include "kwindowshadow_dummy_p.h"
9#include "kwindowshadow_p.h"
10#include "kwindowsystem_debug.h"
11#include "pluginwrapper_p.h"
12
13#include <array>
14
15KWindowShadowTile::KWindowShadowTile()
16 : d(KWindowSystemPluginWrapper::self().createWindowShadowTile())
17{
18}
19
20KWindowShadowTile::~KWindowShadowTile()
21{
22 if (d->isCreated) {
23 d->destroy();
24 }
25}
26
28{
29 return d->image;
30}
31
33{
34 if (d->isCreated) {
35 qCWarning(LOG_KWINDOWSYSTEM,
36 "Cannot change the image on a tile that already has native "
37 "platform resources allocated.");
38 return;
39 }
40 d->image = image;
41}
42
44{
45 return d->isCreated;
46}
47
49{
50 if (d->isCreated) {
51 return true;
52 }
53 d->isCreated = d->create();
54 return d->isCreated;
55}
56
57KWindowShadow::KWindowShadow(QObject *parent)
58 : QObject(parent)
59 , d(KWindowSystemPluginWrapper::self().createWindowShadow())
60{
61}
62
63KWindowShadow::~KWindowShadow()
64{
65 destroy();
66}
67
69{
70 return d->leftTile;
71}
72
74{
75 if (d->isCreated) {
76 qCWarning(LOG_KWINDOWSYSTEM,
77 "Cannot attach a left tile to a shadow that already has "
78 "native platform resources allocated. To do so, destroy() the shadow and then "
79 "setLeftTile() and create()");
80 return;
81 }
82 d->leftTile = tile;
83}
84
86{
87 return d->topLeftTile;
88}
89
91{
92 if (d->isCreated) {
93 qCWarning(LOG_KWINDOWSYSTEM,
94 "Cannot attach a top-left tile to a shadow that already has "
95 "native platform resources allocated. To do so, destroy() the shadow and then "
96 "setTopLeftTile() and create()");
97 return;
98 }
99 d->topLeftTile = tile;
100}
101
103{
104 return d->topTile;
105}
106
108{
109 if (d->isCreated) {
110 qCWarning(LOG_KWINDOWSYSTEM,
111 "Cannot attach a top tile to a shadow that already has "
112 "native platform resources allocated. To do so, destroy() the shadow and then "
113 "setTopTile() and create()");
114 return;
115 }
116 d->topTile = tile;
117}
118
120{
121 return d->topRightTile;
122}
123
125{
126 if (d->isCreated) {
127 qCWarning(LOG_KWINDOWSYSTEM,
128 "Cannot attach a top-right tile to a shadow that already "
129 "has native platform resources allocated. To do so, destroy() the shadow and "
130 "then setTopRightTile() and create()");
131 return;
132 }
133 d->topRightTile = tile;
134}
135
137{
138 return d->rightTile;
139}
140
142{
143 if (d->isCreated) {
144 qCWarning(LOG_KWINDOWSYSTEM,
145 "Cannot attach a right tile to a shadow that already has "
146 "native platform resources allocated. To do so, destroy() the shadow and then "
147 "setRightTile() and create()");
148 return;
149 }
150 d->rightTile = tile;
151}
152
154{
155 return d->bottomRightTile;
156}
157
159{
160 if (d->isCreated) {
161 qCWarning(LOG_KWINDOWSYSTEM,
162 "Cannot attach a bottom-right tile to a shadow that already "
163 "has native platform resources allocated. To do so, destroy() the shadow and "
164 "then setBottomRightTile() and create()");
165 return;
166 }
167 d->bottomRightTile = tile;
168}
169
171{
172 return d->bottomTile;
173}
174
176{
177 if (d->isCreated) {
178 qCWarning(LOG_KWINDOWSYSTEM,
179 "Cannot attach a bottom tile to a shadow that already has "
180 "native platform resources allocated. To do so, destroy() the shadow and then "
181 "setBottomTile() and create()");
182 return;
183 }
184 d->bottomTile = tile;
185}
186
188{
189 return d->bottomLeftTile;
190}
191
193{
194 if (d->isCreated) {
195 qCWarning(LOG_KWINDOWSYSTEM,
196 "Cannot attach a bottom-left tile to a shadow that already "
197 "has native platform resources allocated. To do so, destroy() the shadow and "
198 "then setBottomLeftTile() and create()");
199 return;
200 }
201 d->bottomLeftTile = tile;
202}
203
205{
206 return d->padding;
207}
208
210{
211 if (d->isCreated) {
212 qCWarning(LOG_KWINDOWSYSTEM,
213 "Cannot set the padding on a shadow that already has "
214 "native platform resources allocated. To do so, destroy() the shadow and "
215 "then setPadding() and create()");
216 return;
217 }
218 d->padding = padding;
219}
220
222{
223 return d->window;
224}
225
227{
228 if (d->isCreated) {
229 qCWarning(LOG_KWINDOWSYSTEM,
230 "Cannot set the target window on a shadow that already has "
231 "native platform resources allocated. To do so, destroy() the shadow and then "
232 "setWindow() and create()");
233 return;
234 }
235 d->window = window;
236}
237
239{
240 return d->isCreated;
241}
242
244{
245 if (d->isCreated) {
246 return true;
247 }
248 if (!d->window) {
249 qCWarning(LOG_KWINDOWSYSTEM,
250 "Cannot allocate the native platform resources for the shadow "
251 "because the target window is not specified.");
252 return false;
253 }
254 if (!d->prepareTiles()) {
255 return false;
256 }
257 d->isCreated = d->create();
258 return d->isCreated;
259}
260
262{
263 if (!d->isCreated) {
264 return;
265 }
266 d->destroy();
267 d->isCreated = false;
268}
269
270KWindowShadowTilePrivate::~KWindowShadowTilePrivate()
271{
272}
273
274KWindowShadowTilePrivate *KWindowShadowTilePrivate::get(const KWindowShadowTile *tile)
275{
276 return tile->d.data();
277}
278
279KWindowShadowPrivate::~KWindowShadowPrivate()
280{
281}
282
283bool KWindowShadowPrivate::create()
284{
285 return false;
286}
287
288void KWindowShadowPrivate::destroy()
289{
290}
291
292bool KWindowShadowPrivate::prepareTiles()
293{
294 const std::array<KWindowShadowTile *, 8> tiles{
295 leftTile.data(),
296 topLeftTile.data(),
297 topTile.data(),
298 topRightTile.data(),
299 rightTile.data(),
300 bottomRightTile.data(),
301 bottomTile.data(),
302 bottomLeftTile.data(),
303 };
304
305 for (KWindowShadowTile *tile : tiles) {
306 if (!tile) {
307 continue;
308 }
309 if (tile->isCreated()) {
310 continue;
311 }
312 if (!tile->create()) {
313 return false;
314 }
315 }
316
317 return true;
318}
319
320bool KWindowShadowTilePrivateDummy::create()
321{
322 return false;
323}
324
325void KWindowShadowTilePrivateDummy::destroy()
326{
327}
328
329bool KWindowShadowPrivateDummy::create()
330{
331 return false;
332}
333
334void KWindowShadowPrivateDummy::destroy()
335{
336}
337
338#include "moc_kwindowshadow.cpp"
The KWindowShadowTile class provides a platform-indendent shadow tile representation.
void setImage(const QImage &image)
Sets the image on the KWindowShadowTile.
QImage image() const
Returns the image stored in the KWindowShadowTile.
bool isCreated() const
Returns true if the platform resources associated with the tile have been allocated.
bool create()
Allocates the native platform resources associated with the KWindowShadowTile.
KWindowShadowTile::Ptr rightTile() const
Returns the right tile attached to the KWindowShadow.
QMargins padding() const
Returns the padding of the KWindowShadow.
void setBottomLeftTile(KWindowShadowTile::Ptr tile)
Attaches the bottom-left tile to the KWindowShadow.
bool create()
Allocates the platform resources associated with the KWindowShadow.
void setWindow(QWindow *window)
Sets the window behind which the KWindowShadow will be rendered.
QWindow * window() const
Returns the window behind which the KWindowShadow will be rendered.
bool isCreated() const
Returns true if the platform resources associated with the shadow have been allocated.
void setRightTile(KWindowShadowTile::Ptr tile)
Attaches the right tile to the KWindowShadow.
KWindowShadowTile::Ptr topLeftTile() const
Returns the top-left tile attached to the KWindowShadow.
void setTopRightTile(KWindowShadowTile::Ptr tile)
Attaches the top-right tile to the KWindowShadow.
KWindowShadowTile::Ptr bottomLeftTile() const
Returns the bottom-left tile attached to the KWindowShadow.
void destroy()
Releases the platform resources associated with the KWindowShadow.
void setBottomTile(KWindowShadowTile::Ptr tile)
Attaches the bottom tile to the KWindowShadow.
void setBottomRightTile(KWindowShadowTile::Ptr tile)
Attaches the bottom-right tile to the KWindowShadow.
void setTopLeftTile(KWindowShadowTile::Ptr tile)
Attaches the top-left tile to the KWindowShadow.
KWindowShadowTile::Ptr topTile() const
Returns the top tile attached to the KWindowShadow.
KWindowShadowTile::Ptr leftTile() const
Returns the left tile attached to the KWindowShadow.
KWindowShadowTile::Ptr bottomRightTile() const
Returns the bottom-right tile attached to the KWindowShadow.
void setTopTile(KWindowShadowTile::Ptr tile)
Attaches the top tile to the KWindowShadow.
void setLeftTile(KWindowShadowTile::Ptr tile)
Attaches the left tile to the KWindowShadow.
KWindowShadowTile::Ptr topRightTile() const
Returns the top-right tile attached to the KWindowShadow.
KWindowShadowTile::Ptr bottomTile() const
Returns the bottom tile attached to the KWindowShadow.
void setPadding(const QMargins &padding)
Sets the padding on the KWindowShadow.
T * data() const const
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