1/*
2Open Tracker License
3
4Terms and Conditions
5
6Copyright (c) 1991-2000, Be Incorporated. All rights reserved.
7
8Permission is hereby granted, free of charge, to any person obtaining a copy of
9this software and associated documentation files (the "Software"), to deal in
10the Software without restriction, including without limitation the rights to
11use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
12of the Software, and to permit persons to whom the Software is furnished to do
13so, subject to the following conditions:
14
15The above copyright notice and this permission notice applies to all licensees
16and shall be included in all copies or substantial portions of the Software.
17
18THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF TITLE, MERCHANTABILITY,
20FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21BE INCORPORATED BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
22AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF, OR IN CONNECTION
23WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24
25Except as contained in this notice, the name of Be Incorporated shall not be
26used in advertising or otherwise to promote the sale, use or other dealings in
27this Software without prior written authorization from Be Incorporated.
28
29Tracker(TM), Be(R), BeOS(R), and BeIA(TM) are trademarks or registered trademarks
30of Be Incorporated in the United States and other countries. Other brand product
31names are registered trademarks or trademarks of their respective holders.
32All rights reserved.
33*/
34
35// defines the status area drawn in the bottom left corner of a Tracker window
36
37
38#include <Button.h>
39#include <Screen.h>
40
41#include "OverrideAlert.h"
42
43
44OverrideAlert::OverrideAlert(const char* title, const char* text,
45	const char* button1, uint32 modifiers1,
46	const char* button2, uint32 modifiers2,
47	const char* button3, uint32 modifiers3,
48	button_width width, alert_type type)
49	:
50	BAlert(title, text, button1, button2, button3, width, type),
51	fCurModifiers(0)
52{
53	fButtonModifiers[0] = modifiers1;
54	fButtonModifiers[1] = modifiers2;
55	fButtonModifiers[2] = modifiers3;
56	UpdateButtons(modifiers(), true);
57
58	BPoint where = OverPosition(Frame().Width(), Frame().Height());
59	MoveTo(where.x, where.y);
60}
61
62
63OverrideAlert::OverrideAlert(const char* title, const char* text,
64	const char* button1, uint32 modifiers1,
65	const char* button2, uint32 modifiers2,
66	const char* button3, uint32 modifiers3,
67	button_width width, button_spacing spacing, alert_type type)
68	:
69	BAlert(title, text, button1, button2, button3, width, spacing, type),
70	fCurModifiers(0)
71{
72	fButtonModifiers[0] = modifiers1;
73	fButtonModifiers[1] = modifiers2;
74	fButtonModifiers[2] = modifiers3;
75	UpdateButtons(modifiers(), true);
76
77	BPoint where = OverPosition(Frame().Width(), Frame().Height());
78	MoveTo(where.x, where.y);
79}
80
81
82OverrideAlert::~OverrideAlert()
83{
84}
85
86
87void
88OverrideAlert::DispatchMessage(BMessage* message, BHandler* handler)
89{
90	if (message->what == B_KEY_DOWN || message->what == B_KEY_UP
91		|| message->what == B_UNMAPPED_KEY_DOWN
92		|| message->what == B_UNMAPPED_KEY_UP) {
93		uint32 modifiers;
94		if (message->FindInt32("modifiers", (int32*)&modifiers) == B_OK)
95			UpdateButtons(modifiers);
96	}
97	BAlert::DispatchMessage(message, handler);
98}
99
100
101BPoint
102OverrideAlert::OverPosition(float width, float height)
103{
104	// This positions the alert window like a normal alert, put
105	// places it on top of the calling window if possible.
106
107	BWindow* window
108		= dynamic_cast<BWindow*>(BLooper::LooperForThread(find_thread(NULL)));
109	BRect desirableRect;
110
111	if (window != NULL) {
112		// If we found a window associated with this calling thread,
113		// place alert over that window so that the first button is
114		// on top of it.  This allows name editing confirmations to
115		// work with focus follows mouse -- when the alert goes away,
116		// the underlying window will still have focus.
117
118		desirableRect = window->Frame();
119		float midX = (desirableRect.left + desirableRect.right) / 2.0f;
120		float midY = (desirableRect.top * 3.0f + desirableRect.bottom) / 4.0f;
121
122		desirableRect.left = midX - ceilf(width / 2.0f);
123		desirableRect.right = desirableRect.left+width;
124		desirableRect.top = midY - ceilf(height / 3.0f);
125		desirableRect.bottom = desirableRect.top + height;
126	} else {
127		// Otherwise, place alert in center of (main) screen.
128
129		desirableRect = BScreen().Frame();
130		float midX = (desirableRect.left + desirableRect.right) / 2.0f;
131		float midY = (desirableRect.top * 3.0f + desirableRect.bottom) / 4.0f;
132
133		desirableRect.left = midX - ceilf(width / 2.0f);
134		desirableRect.right = desirableRect.left + width;
135		desirableRect.top = midY - ceilf(height / 3.0f);
136		desirableRect.bottom = desirableRect.top + height;
137	}
138
139	return desirableRect.LeftTop();
140}
141
142
143void
144OverrideAlert::UpdateButtons(uint32 modifiers, bool force)
145{
146	if (modifiers == fCurModifiers && !force)
147		return;
148
149	fCurModifiers = modifiers;
150	for (int32 i = 0; i < 3; i++) {
151		BButton* button = ButtonAt(i);
152		if (button != NULL) {
153			button->SetEnabled(((fButtonModifiers[i] & fCurModifiers)
154				== fButtonModifiers[i]));
155		}
156	}
157}
158