xref: /haiku/src/kits/tracker/IconMenuItem.cpp (revision 1214ef1b2100f2b3299fc9d8d6142e46f70a4c3f)
1 /*
2 Open Tracker License
3 
4 Terms and Conditions
5 
6 Copyright (c) 1991-2000, Be Incorporated. All rights reserved.
7 
8 Permission is hereby granted, free of charge, to any person obtaining a copy of
9 this software and associated documentation files (the "Software"), to deal in
10 the Software without restriction, including without limitation the rights to
11 use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
12 of the Software, and to permit persons to whom the Software is furnished to do
13 so, subject to the following conditions:
14 
15 The above copyright notice and this permission notice applies to all licensees
16 and shall be included in all copies or substantial portions of the Software.
17 
18 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF TITLE, MERCHANTABILITY,
20 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21 BE INCORPORATED BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
22 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF, OR IN CONNECTION
23 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 
25 Except as contained in this notice, the name of Be Incorporated shall not be
26 used in advertising or otherwise to promote the sale, use or other dealings in
27 this Software without prior written authorization from Be Incorporated.
28 
29 Tracker(TM), Be(R), BeOS(R), and BeIA(TM) are trademarks or registered trademarks
30 of Be Incorporated in the United States and other countries. Other brand product
31 names are registered trademarks or trademarks of their respective holders.
32 All rights reserved.
33 */
34 
35 // menu items with small icons.
36 
37 #include "IconCache.h"
38 #include "IconMenuItem.h"
39 
40 #include <Debug.h>
41 #include <Menu.h>
42 #include <NodeInfo.h>
43 
44 
45 static void
46 DimmedIconBlitter(BView *view, BPoint where, BBitmap *bitmap, void *)
47 {
48 	if (bitmap->ColorSpace() == B_RGBA32) {
49 		rgb_color oldHighColor = view->HighColor();
50 		view->SetHighColor(0, 0, 0, 128);
51 		view->SetDrawingMode(B_OP_ALPHA);
52 		view->SetBlendingMode(B_CONSTANT_ALPHA, B_ALPHA_OVERLAY);
53 		view->DrawBitmap(bitmap, where);
54 		view->SetHighColor(oldHighColor);
55 	} else {
56 		view->SetDrawingMode(B_OP_BLEND);
57 		view->DrawBitmap(bitmap, where);
58 	}
59 	view->SetDrawingMode(B_OP_OVER);
60 }
61 
62 
63 //	#pragma mark -
64 
65 
66 ModelMenuItem::ModelMenuItem(const Model *model, const char *title,
67 		BMessage *message, char shortcut, uint32 modifiers,
68 		bool drawText, bool extraPad)
69 	: BMenuItem(title, message, shortcut, modifiers),
70 	fModel(*model),
71 	fHeightDelta(0),
72 	fDrawText(drawText),
73 	fExtraPad(extraPad)
74 {
75 	ThrowOnInitCheckError(&fModel);
76 	// The 'fExtraPad' field is used to when this menu item is added to
77 	// a menubar instead of a menu. Menus and MenuBars space out items
78 	// differently (more space around items in a menu). This class wants
79 	// to be able to space item the same, no matter where they are. The
80 	// fExtraPad field allows for that.
81 
82 	if (model->IsRoot())
83 		SetLabel(model->Name());
84 
85 	// ModelMenuItem is used in synchronously invoked menus, make sure
86 	// we invoke with a timeout
87 	SetTimeout(kSynchMenuInvokeTimeout);
88 }
89 
90 
91 ModelMenuItem::ModelMenuItem(const Model *model, BMenu *menu, bool drawText,
92 	bool extraPad)
93 	:	BMenuItem(menu),
94 		fModel(*model),
95 		fHeightDelta(0),
96 		fDrawText(drawText),
97 		fExtraPad(extraPad)
98 {
99 	ThrowOnInitCheckError(&fModel);
100 	// ModelMenuItem is used in synchronously invoked menus, make sure
101 	// we invoke with a timeout
102 	SetTimeout(kSynchMenuInvokeTimeout);
103 }
104 
105 
106 ModelMenuItem::~ModelMenuItem()
107 {
108 }
109 
110 
111 status_t
112 ModelMenuItem::SetEntry(const BEntry *entry)
113 {
114 	return fModel.SetTo(entry);
115 }
116 
117 
118 void
119 ModelMenuItem::DrawContent()
120 {
121 	if (fDrawText) {
122 		BPoint drawPoint(ContentLocation());
123 		drawPoint.x += 20 + (fExtraPad ? 6 : 0);
124 		if (fHeightDelta > 0)
125 			drawPoint.y += ceil(fHeightDelta / 2);
126 		Menu()->MovePenTo(drawPoint);
127 		_inherited::DrawContent();
128 	}
129 	DrawIcon();
130 }
131 
132 
133 void
134 ModelMenuItem::Highlight(bool hilited)
135 {
136 	_inherited::Highlight(hilited);
137 	DrawIcon();
138 }
139 
140 
141 void
142 ModelMenuItem::DrawIcon()
143 {
144 	Menu()->PushState();
145 
146 	BPoint where(ContentLocation());
147 	// center icon with text.
148 
149 	float deltaHeight = fHeightDelta < 0 ? -fHeightDelta : 0;
150 	where.y += ceil(deltaHeight / 2);
151 
152 	if (fExtraPad)
153 		where.x += 6;
154 
155 	Menu()->SetDrawingMode(B_OP_OVER);
156 	Menu()->SetLowColor(B_TRANSPARENT_32_BIT);
157 
158 	// draw small icon, synchronously
159 	if (IsEnabled()) {
160 		IconCache::sIconCache->Draw(fModel.ResolveIfLink(), Menu(), where,
161 			kNormalIcon, B_MINI_ICON);
162 	} else {
163 		// dimmed, for now use a special blitter; icon cache should
164 		// know how to blit one eventually
165 		IconCache::sIconCache->SyncDraw(fModel.ResolveIfLink(), Menu(), where,
166 			kNormalIcon, B_MINI_ICON, DimmedIconBlitter);
167 	}
168 
169 	Menu()->PopState();
170 }
171 
172 
173 void
174 ModelMenuItem::GetContentSize(float *width, float *height)
175 {
176 	_inherited::GetContentSize(width, height);
177 	fHeightDelta = 16 - *height;
178 	if (*height < 16)
179 		*height = 16;
180 	*width = *width + 20 + (fExtraPad ? 18 : 0);
181 }
182 
183 
184 status_t
185 ModelMenuItem::Invoke(BMessage *message)
186 {
187 	if (!Menu())
188 		return B_ERROR;
189 
190 	if (!IsEnabled())
191 		return B_ERROR;
192 
193 	if (!message)
194 		message = Message();
195 
196 	if (!message)
197 		return B_BAD_VALUE;
198 
199 	BMessage clone(*message);
200 	clone.AddInt32("index", Menu()->IndexOf(this));
201 	clone.AddInt64("when", system_time());
202 	clone.AddPointer("source", this);
203 
204 	if ((modifiers() & B_OPTION_KEY) == 0) {
205 		// if option not held, remove refs to close to prevent closing
206 		// parent window
207 		clone.RemoveData("nodeRefsToClose");
208 	}
209 
210 	return BInvoker::Invoke(&clone);
211 }
212 
213 
214 //	#pragma mark -
215 
216 
217 /*!
218 	A ModelMenuItem subclass that draws its label in italics.
219 	It's used for example in the "Copy To" menu to indicate some special
220 	folders like the parent folder.
221 */
222 SpecialModelMenuItem::SpecialModelMenuItem(const Model *model, BMenu *menu)
223 	: ModelMenuItem(model, menu)
224 {
225 }
226 
227 
228 void
229 SpecialModelMenuItem::DrawContent()
230 {
231 	Menu()->PushState();
232 
233 	BFont font;
234 	Menu()->GetFont(&font);
235 	font.SetFace(B_ITALIC_FACE);
236 	Menu()->SetFont(&font);
237 
238 	_inherited::DrawContent();
239 	Menu()->PopState();
240 }
241 
242 
243 //	#pragma mark -
244 
245 
246 /*!
247 	A menu item that draws an icon alongside the label.
248 	It's currently used in the mount and new file template menus.
249 */
250 IconMenuItem::IconMenuItem(const char *label, BMessage *message, BBitmap *icon)
251 	: PositionPassingMenuItem(label, message),
252 	fDeviceIcon(icon),
253 	fHeightDelta(0)
254 {
255 	// IconMenuItem is used in synchronously invoked menus, make sure
256 	// we invoke with a timeout
257 	SetTimeout(kSynchMenuInvokeTimeout);
258 }
259 
260 
261 IconMenuItem::IconMenuItem(const char *label, BMessage *message,
262 		const BNodeInfo *nodeInfo, icon_size which)
263 	: PositionPassingMenuItem(label, message),
264 	fDeviceIcon(NULL),
265 	fHeightDelta(0)
266 {
267 	if (nodeInfo) {
268 #ifdef __HAIKU__
269 		fDeviceIcon = new BBitmap(BRect(0, 0, which - 1, which - 1), B_RGB32);
270 #else
271 		fDeviceIcon = new BBitmap(BRect(0, 0, which - 1, which - 1), B_CMAP8);
272 #endif
273 
274 		if (nodeInfo->GetTrackerIcon(fDeviceIcon, B_MINI_ICON)) {
275 			delete fDeviceIcon;
276 			fDeviceIcon = NULL;
277 		}
278 	}
279 
280 	// IconMenuItem is used in synchronously invoked menus, make sure
281 	// we invoke with a timeout
282 	SetTimeout(kSynchMenuInvokeTimeout);
283 }
284 
285 
286 IconMenuItem::IconMenuItem(const char *label, BMessage *message,
287 		const char *iconType, icon_size which)
288 	: PositionPassingMenuItem(label, message),
289 	fDeviceIcon(NULL),
290 	fHeightDelta(0)
291 {
292 	BMimeType mime(iconType);
293 #ifdef __HAIKU__
294 	fDeviceIcon = new BBitmap(BRect(0, 0, which - 1, which - 1), B_RGB32);
295 #else
296 	fDeviceIcon = new BBitmap(BRect(0, 0, which - 1, which - 1), B_CMAP8);
297 #endif
298 
299 	if (mime.GetIcon(fDeviceIcon, which) != B_OK) {
300 		delete fDeviceIcon;
301 		fDeviceIcon = NULL;
302 	}
303 
304 	// IconMenuItem is used in synchronously invoked menus, make sure
305 	// we invoke with a timeout
306 	SetTimeout(kSynchMenuInvokeTimeout);
307 }
308 
309 
310 IconMenuItem::IconMenuItem(BMenu *submenu, BMessage *message,
311 		const char *iconType, icon_size which)
312 	: PositionPassingMenuItem(submenu, message),
313 	fDeviceIcon(NULL),
314 	fHeightDelta(0)
315 {
316 	BMimeType mime(iconType);
317 #ifdef __HAIKU__
318 	fDeviceIcon = new BBitmap(BRect(0, 0, which - 1, which - 1), B_RGB32);
319 #else
320 	fDeviceIcon = new BBitmap(BRect(0, 0, which - 1, which - 1), B_CMAP8);
321 #endif
322 
323 	if (mime.GetIcon(fDeviceIcon, which) != B_OK) {
324 		delete fDeviceIcon;
325 		fDeviceIcon = NULL;
326 	}
327 
328 	// IconMenuItem is used in synchronously invoked menus, make sure
329 	// we invoke with a timeout
330 	SetTimeout(kSynchMenuInvokeTimeout);
331 }
332 
333 
334 IconMenuItem::~IconMenuItem()
335 {
336 	delete fDeviceIcon;
337 }
338 
339 
340 void
341 IconMenuItem::GetContentSize(float *width, float *height)
342 {
343 	_inherited::GetContentSize(width, height);
344 
345 	fHeightDelta = 16 - *height;
346 	if (*height < 16)
347 		*height = 16;
348 
349 	*width += 20;
350 }
351 
352 
353 void
354 IconMenuItem::DrawContent()
355 {
356 	BPoint drawPoint(ContentLocation());
357 	drawPoint.x += 20;
358 	if (fHeightDelta > 0)
359 		drawPoint.y += ceil(fHeightDelta / 2);
360 	Menu()->MovePenTo(drawPoint);
361 	_inherited::DrawContent();
362 
363 	Menu()->PushState();
364 
365 	BPoint where(ContentLocation());
366 	float deltaHeight = fHeightDelta < 0 ? -fHeightDelta : 0;
367 	where.y += ceil(deltaHeight / 2);
368 
369 	if (fDeviceIcon) {
370 		if (IsEnabled())
371 #ifdef __HAIKU__
372 			Menu()->SetDrawingMode(B_OP_ALPHA);
373 		else {
374 			Menu()->SetDrawingMode(B_OP_ALPHA);
375 			Menu()->SetHighColor(0, 0, 0, 64);
376 			Menu()->SetBlendingMode(B_CONSTANT_ALPHA, B_ALPHA_OVERLAY);
377 		}
378 #else
379 			Menu()->SetDrawingMode(B_OP_OVER);
380 		else
381 			Menu()->SetDrawingMode(B_OP_BLEND);
382 #endif
383 		Menu()->DrawBitmapAsync(fDeviceIcon, where);
384 	}
385 
386 	Menu()->PopState();
387 }
388 
389