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1 // Copyright (c) 2006-2009 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "chrome/browser/gtk/options/options_layout_gtk.h" | |
6 | |
7 #include "chrome/browser/gtk/gtk_util.h" | |
8 | |
9 // If the height of screen is equal or shorter than this, we will use | |
10 // a more compact option layout. | |
11 const int kCompactScreenHeight = 600; | |
12 | |
13 // Default option layout builder follows GNOME HIG, which uses header and | |
14 // spacing to group options. | |
15 class DefaultOptionsLayoutBuilderGtk : public OptionsLayoutBuilderGtk { | |
16 public: | |
17 explicit DefaultOptionsLayoutBuilderGtk(); | |
18 | |
19 void AddOptionGroup(const std::string& title, GtkWidget* content, | |
20 bool expandable); | |
21 void AddWidget(GtkWidget* content, bool expandable); | |
22 private: | |
23 DISALLOW_COPY_AND_ASSIGN(DefaultOptionsLayoutBuilderGtk); | |
24 }; | |
25 | |
26 DefaultOptionsLayoutBuilderGtk::DefaultOptionsLayoutBuilderGtk() { | |
27 page_ = gtk_vbox_new(FALSE, gtk_util::kContentAreaSpacing); | |
28 gtk_container_set_border_width(GTK_CONTAINER(page_), | |
29 gtk_util::kContentAreaBorder); | |
30 } | |
31 | |
32 void DefaultOptionsLayoutBuilderGtk::AddOptionGroup(const std::string& title, | |
33 GtkWidget* content, | |
34 bool expandable) { | |
35 GtkWidget* title_label = gtk_util::CreateBoldLabel(title); | |
36 | |
37 GtkWidget* group = gtk_vbox_new(FALSE, gtk_util::kControlSpacing); | |
38 gtk_box_pack_start(GTK_BOX(group), title_label, FALSE, FALSE, 0); | |
39 gtk_container_add(GTK_CONTAINER(group), gtk_util::IndentWidget(content)); | |
40 | |
41 AddWidget(group, expandable); | |
42 } | |
43 | |
44 void DefaultOptionsLayoutBuilderGtk::AddWidget(GtkWidget* content, | |
45 bool expandable) { | |
46 gtk_box_pack_start(GTK_BOX(page_), content, expandable, expandable, 0); | |
47 } | |
48 | |
49 // Compact layout builder uses table to layout label and content horizontally. | |
50 class CompactOptionsLayoutBuilderGtk : public OptionsLayoutBuilderGtk { | |
51 public: | |
52 explicit CompactOptionsLayoutBuilderGtk(); | |
53 | |
54 void AddOptionGroup(const std::string& title, GtkWidget* content, | |
55 bool expandable); | |
56 void AddWidget(GtkWidget* content, bool expandable); | |
57 private: | |
58 GtkWidget *table_; | |
59 guint row_; | |
60 | |
61 DISALLOW_COPY_AND_ASSIGN(CompactOptionsLayoutBuilderGtk); | |
62 }; | |
63 | |
64 CompactOptionsLayoutBuilderGtk::CompactOptionsLayoutBuilderGtk() { | |
65 row_ = 0; | |
66 table_ = NULL; | |
67 | |
68 page_ = gtk_vbox_new(FALSE, gtk_util::kContentAreaSpacing); | |
69 gtk_container_set_border_width(GTK_CONTAINER(page_), | |
70 gtk_util::kContentAreaBorder); | |
71 } | |
72 | |
73 void CompactOptionsLayoutBuilderGtk::AddOptionGroup(const std::string& title, | |
74 GtkWidget* content, | |
75 bool expandable) { | |
76 if (!table_) { | |
77 // Create a new table to contain option groups | |
78 table_ = gtk_table_new(0, 2, FALSE); | |
79 gtk_table_set_col_spacing(GTK_TABLE(table_), 0, gtk_util::kLabelSpacing); | |
80 gtk_table_set_row_spacings(GTK_TABLE(table_), | |
81 gtk_util::kContentAreaSpacing); | |
82 | |
83 gtk_container_set_border_width(GTK_CONTAINER(table_), | |
84 gtk_util::kContentAreaBorder); | |
85 gtk_box_pack_start(GTK_BOX(page_), table_, TRUE, TRUE, 0); | |
86 } | |
87 | |
88 GtkWidget* title_label = gtk_util::CreateBoldLabel(title); | |
89 | |
90 gtk_table_resize(GTK_TABLE(table_), row_ + 1, 2); | |
91 gtk_misc_set_alignment(GTK_MISC(title_label), 1, 0); | |
92 | |
93 gtk_table_attach(GTK_TABLE(table_), title_label, | |
94 0, 1, row_, row_ + 1, | |
95 GTK_FILL, GTK_FILL, | |
96 0, 0); | |
97 gtk_table_attach(GTK_TABLE(table_), content, | |
98 1, 2, row_, row_ + 1, | |
99 expandable ? | |
100 GTK_FILL : GtkAttachOptions(GTK_FILL | GTK_EXPAND), | |
101 GTK_FILL, | |
102 0, 0); | |
103 row_++; | |
104 } | |
105 | |
106 void CompactOptionsLayoutBuilderGtk::AddWidget(GtkWidget* content, | |
107 bool expandable) { | |
108 gtk_box_pack_start(GTK_BOX(page_), content, expandable, expandable, 0); | |
109 | |
110 // Let AddOptionGroup create a new table and append after this widget | |
111 table_ = NULL; | |
112 } | |
113 | |
114 OptionsLayoutBuilderGtk* OptionsLayoutBuilderGtk::Create() { | |
115 return new DefaultOptionsLayoutBuilderGtk(); | |
116 } | |
117 | |
118 OptionsLayoutBuilderGtk* | |
119 OptionsLayoutBuilderGtk::CreateOptionallyCompactLayout() { | |
120 gint screen_height = gdk_screen_get_height(gdk_screen_get_default()); | |
121 if (screen_height <= kCompactScreenHeight) | |
122 return new CompactOptionsLayoutBuilderGtk(); | |
123 else | |
124 return new DefaultOptionsLayoutBuilderGtk(); | |
125 } | |
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