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// Copyright (c) 2006-2009 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/gtk/options/options_layout_gtk.h"
#include "chrome/browser/gtk/gtk_util.h"
// If the height of screen is equal or shorter than this, we will use
// a more compact option layout.
const int kCompactScreenHeight = 600;
// Default option layout builder follows GNOME HIG, which uses header and
// spacing to group options.
class DefaultOptionsLayoutBuilderGtk : public OptionsLayoutBuilderGtk {
public:
explicit DefaultOptionsLayoutBuilderGtk();
void AddOptionGroup(const std::string& title, GtkWidget* content,
bool expandable);
void AddWidget(GtkWidget* content, bool expandable);
private:
DISALLOW_COPY_AND_ASSIGN(DefaultOptionsLayoutBuilderGtk);
};
DefaultOptionsLayoutBuilderGtk::DefaultOptionsLayoutBuilderGtk() {
page_ = gtk_vbox_new(FALSE, gtk_util::kContentAreaSpacing);
gtk_container_set_border_width(GTK_CONTAINER(page_),
gtk_util::kContentAreaBorder);
}
void DefaultOptionsLayoutBuilderGtk::AddOptionGroup(const std::string& title,
GtkWidget* content,
bool expandable) {
GtkWidget* title_label = gtk_util::CreateBoldLabel(title);
GtkWidget* group = gtk_vbox_new(FALSE, gtk_util::kControlSpacing);
gtk_box_pack_start(GTK_BOX(group), title_label, FALSE, FALSE, 0);
gtk_container_add(GTK_CONTAINER(group), gtk_util::IndentWidget(content));
AddWidget(group, expandable);
}
void DefaultOptionsLayoutBuilderGtk::AddWidget(GtkWidget* content,
bool expandable) {
gtk_box_pack_start(GTK_BOX(page_), content, expandable, expandable, 0);
}
// Compact layout builder uses table to layout label and content horizontally.
class CompactOptionsLayoutBuilderGtk : public OptionsLayoutBuilderGtk {
public:
explicit CompactOptionsLayoutBuilderGtk();
void AddOptionGroup(const std::string& title, GtkWidget* content,
bool expandable);
void AddWidget(GtkWidget* content, bool expandable);
private:
GtkWidget *table_;
guint row_;
DISALLOW_COPY_AND_ASSIGN(CompactOptionsLayoutBuilderGtk);
};
CompactOptionsLayoutBuilderGtk::CompactOptionsLayoutBuilderGtk() {
row_ = 0;
table_ = NULL;
page_ = gtk_vbox_new(FALSE, gtk_util::kContentAreaSpacing);
gtk_container_set_border_width(GTK_CONTAINER(page_),
gtk_util::kContentAreaBorder);
}
void CompactOptionsLayoutBuilderGtk::AddOptionGroup(const std::string& title,
GtkWidget* content,
bool expandable) {
if (!table_) {
// Create a new table to contain option groups
table_ = gtk_table_new(0, 2, FALSE);
gtk_table_set_col_spacing(GTK_TABLE(table_), 0, gtk_util::kLabelSpacing);
gtk_table_set_row_spacings(GTK_TABLE(table_),
gtk_util::kContentAreaSpacing);
gtk_container_set_border_width(GTK_CONTAINER(table_),
gtk_util::kContentAreaBorder);
gtk_box_pack_start(GTK_BOX(page_), table_, TRUE, TRUE, 0);
}
GtkWidget* title_label = gtk_util::CreateBoldLabel(title);
gtk_table_resize(GTK_TABLE(table_), row_ + 1, 2);
gtk_misc_set_alignment(GTK_MISC(title_label), 1, 0);
gtk_table_attach(GTK_TABLE(table_), title_label,
0, 1, row_, row_ + 1,
GTK_FILL, GTK_FILL,
0, 0);
gtk_table_attach(GTK_TABLE(table_), content,
1, 2, row_, row_ + 1,
expandable ?
GTK_FILL : GtkAttachOptions(GTK_FILL | GTK_EXPAND),
GTK_FILL,
0, 0);
row_++;
}
void CompactOptionsLayoutBuilderGtk::AddWidget(GtkWidget* content,
bool expandable) {
gtk_box_pack_start(GTK_BOX(page_), content, expandable, expandable, 0);
// Let AddOptionGroup create a new table and append after this widget
table_ = NULL;
}
OptionsLayoutBuilderGtk* OptionsLayoutBuilderGtk::Create() {
return new DefaultOptionsLayoutBuilderGtk();
}
OptionsLayoutBuilderGtk*
OptionsLayoutBuilderGtk::CreateOptionallyCompactLayout() {
gint screen_height = gdk_screen_get_height(gdk_screen_get_default());
if (screen_height <= kCompactScreenHeight)
return new CompactOptionsLayoutBuilderGtk();
else
return new DefaultOptionsLayoutBuilderGtk();
}
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