vfs: check userland buffers before reading them.
[haiku.git] / src / apps / deskbar / BarMenuTitle.cpp
blob48b1bf73e61914aef356caa0f4191109bd4d1e5a
1 /*
2 Open Tracker License
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6 Copyright (c) 1991-2000, Be Incorporated. All rights reserved.
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12 of the Software, and to permit persons to whom the Software is furnished to do
13 so, subject to the following conditions:
15 The above copyright notice and this permission notice applies to all licensees
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19 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF TITLE, MERCHANTABILITY,
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23 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 Except as contained in this notice, the name of Be Incorporated shall not be
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27 this Software without prior written authorization from Be Incorporated.
29 Tracker(TM), Be(R), BeOS(R), and BeIA(TM) are trademarks or registered
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37 #include "BarMenuTitle.h"
39 #include <Bitmap.h>
40 #include <ControlLook.h>
41 #include <Debug.h>
43 #include "BarApp.h"
44 #include "BarView.h"
45 #include "BarWindow.h"
48 TBarMenuTitle::TBarMenuTitle(float width, float height, const BBitmap* icon,
49 BMenu* menu, bool expando)
51 BMenuItem(menu, new BMessage(B_REFS_RECEIVED)),
52 fWidth(width),
53 fHeight(height),
54 fInExpando(expando),
55 fIcon(icon)
60 TBarMenuTitle::~TBarMenuTitle()
65 void
66 TBarMenuTitle::SetContentSize(float width, float height)
68 fWidth = width;
69 fHeight = height;
73 void
74 TBarMenuTitle::GetContentSize(float* width, float* height)
76 *width = fWidth;
77 *height = fHeight;
81 void
82 TBarMenuTitle::Draw()
84 BMenu* menu = Menu();
85 if (menu == NULL)
86 return;
88 BRect frame(Frame());
89 rgb_color base = ui_color(B_MENU_BACKGROUND_COLOR);
91 menu->PushState();
93 BRect windowBounds = menu->Window()->Bounds();
94 if (frame.right > windowBounds.right)
95 frame.right = windowBounds.right;
97 // fill in background
98 if (IsSelected()) {
99 be_control_look->DrawMenuItemBackground(menu, frame, frame, base,
100 BControlLook::B_ACTIVATED);
101 } else
102 be_control_look->DrawButtonBackground(menu, frame, frame, base);
104 menu->MovePenTo(ContentLocation());
105 DrawContent();
107 menu->PopState();
111 void
112 TBarMenuTitle::DrawContent()
114 if (fIcon == NULL)
115 return;
117 BMenu* menu = Menu();
118 BRect frame(Frame());
119 BRect iconRect(fIcon->Bounds());
121 menu->SetDrawingMode(B_OP_ALPHA);
122 iconRect.OffsetTo(frame.LeftTop());
124 float widthOffset = rintf((frame.Width() - iconRect.Width()) / 2);
125 float heightOffset = rintf((frame.Height() - iconRect.Height()) / 2);
126 iconRect.OffsetBy(widthOffset - 1.0f, heightOffset + 2.0f);
128 menu->DrawBitmapAsync(fIcon, iconRect);
132 status_t
133 TBarMenuTitle::Invoke(BMessage* message)
135 TBarView* barview = dynamic_cast<TBarApp*>(be_app)->BarView();
136 if (barview) {
137 BLooper* looper = barview->Looper();
138 if (looper->Lock()) {
139 // tell barview to add the refs to the deskbar menu
140 barview->HandleDeskbarMenu(NULL);
141 looper->Unlock();
145 return BMenuItem::Invoke(message);