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// Copyright (c) 2010 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/fonts_page_gtk.h"
#include "app/l10n_util.h"
#include "app/l10n_util_collator.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/default_encoding_combo_model.h"
#include "chrome/browser/gtk/gtk_util.h"
#include "chrome/browser/gtk/options/options_layout_gtk.h"
#include "chrome/browser/profile.h"
#include "chrome/common/pref_names.h"
#include "gfx/font.h"
#include "grit/generated_resources.h"
namespace {
// Make a Gtk font name string from a font family name and pixel size.
std::string MakeFontName(std::string family_name, int pixel_size) {
// The given font might not be available (the default fonts we use are not
// installed by default on some distros). So figure out which font we are
// actually falling back to and display that. (See crbug.com/31381.)
std::wstring actual_family_name = gfx::Font::CreateFont(
UTF8ToWide(family_name), pixel_size).FontName();
std::string fontname;
// TODO(mattm): We can pass in the size in pixels (px), and the font button
// actually honors it, but when you open the selector it interprets it as
// points. See crbug.com/17857
SStringPrintf(&fontname, "%s, %dpx", WideToUTF8(actual_family_name).c_str(),
pixel_size);
return fontname;
}
} // namespace
FontsPageGtk::FontsPageGtk(Profile* profile) : OptionsPageBase(profile) {
Init();
}
FontsPageGtk::~FontsPageGtk() {
}
void FontsPageGtk::Init() {
scoped_ptr<OptionsLayoutBuilderGtk>
options_builder(OptionsLayoutBuilderGtk::Create());
serif_font_button_ = gtk_font_button_new();
gtk_font_button_set_use_font(GTK_FONT_BUTTON(serif_font_button_), TRUE);
gtk_font_button_set_use_size(GTK_FONT_BUTTON(serif_font_button_), TRUE);
g_signal_connect(serif_font_button_, "font-set",
G_CALLBACK(OnSerifFontSetThunk), this);
sans_font_button_ = gtk_font_button_new();
gtk_font_button_set_use_font(GTK_FONT_BUTTON(sans_font_button_), TRUE);
gtk_font_button_set_use_size(GTK_FONT_BUTTON(sans_font_button_), TRUE);
g_signal_connect(sans_font_button_, "font-set",
G_CALLBACK(OnSansFontSetThunk), this);
fixed_font_button_ = gtk_font_button_new();
gtk_font_button_set_use_font(GTK_FONT_BUTTON(fixed_font_button_), TRUE);
gtk_font_button_set_use_size(GTK_FONT_BUTTON(fixed_font_button_), TRUE);
g_signal_connect(fixed_font_button_, "font-set",
G_CALLBACK(OnFixedFontSetThunk), this);
GtkWidget* font_controls = gtk_util::CreateLabeledControlsGroup(NULL,
l10n_util::GetStringUTF8(
IDS_FONT_LANGUAGE_SETTING_FONT_SELECTOR_SERIF_LABEL).c_str(),
serif_font_button_,
l10n_util::GetStringUTF8(
IDS_FONT_LANGUAGE_SETTING_FONT_SELECTOR_SANS_SERIF_LABEL).c_str(),
sans_font_button_,
l10n_util::GetStringUTF8(
IDS_FONT_LANGUAGE_SETTING_FONT_SELECTOR_FIXED_WIDTH_LABEL).c_str(),
fixed_font_button_,
NULL);
options_builder->AddOptionGroup(l10n_util::GetStringUTF8(
IDS_FONT_LANGUAGE_SETTING_FONT_SUB_DIALOG_FONT_TITLE),
font_controls, false);
InitDefaultEncodingComboBox();
std::string encoding_group_description = l10n_util::GetStringUTF8(
IDS_FONT_LANGUAGE_SETTING_FONT_DEFAULT_ENCODING_SELECTOR_LABEL);
GtkWidget* encoding_controls = gtk_util::CreateLabeledControlsGroup(NULL,
encoding_group_description.c_str(),
default_encoding_combobox_,
NULL);
options_builder->AddOptionGroup(l10n_util::GetStringUTF8(
IDS_FONT_LANGUAGE_SETTING_FONT_SUB_DIALOG_ENCODING_TITLE),
encoding_controls, false);
page_ = options_builder->get_page_widget();
serif_name_.Init(prefs::kWebKitSerifFontFamily, profile()->GetPrefs(), this);
sans_serif_name_.Init(prefs::kWebKitSansSerifFontFamily,
profile()->GetPrefs(), this);
variable_width_size_.Init(prefs::kWebKitDefaultFontSize,
profile()->GetPrefs(), this);
fixed_width_name_.Init(prefs::kWebKitFixedFontFamily, profile()->GetPrefs(),
this);
fixed_width_size_.Init(prefs::kWebKitDefaultFixedFontSize,
profile()->GetPrefs(), this);
default_encoding_.Init(prefs::kDefaultCharset, profile()->GetPrefs(), this);
NotifyPrefChanged(NULL);
}
void FontsPageGtk::InitDefaultEncodingComboBox() {
default_encoding_combobox_ = gtk_combo_box_new_text();
g_signal_connect(default_encoding_combobox_, "changed",
G_CALLBACK(OnDefaultEncodingChangedThunk), this);
default_encoding_combobox_model_.reset(new DefaultEncodingComboboxModel);
for (int i = 0; i < default_encoding_combobox_model_->GetItemCount(); ++i) {
gtk_combo_box_append_text(
GTK_COMBO_BOX(default_encoding_combobox_),
WideToUTF8(default_encoding_combobox_model_->GetItemAt(i)).c_str());
}
}
void FontsPageGtk::NotifyPrefChanged(const std::wstring* pref_name) {
if (!pref_name || *pref_name == prefs::kWebKitSerifFontFamily ||
*pref_name == prefs::kWebKitDefaultFontSize) {
gtk_font_button_set_font_name(GTK_FONT_BUTTON(serif_font_button_),
MakeFontName(serif_name_.GetValue(),
variable_width_size_.GetValue()).c_str());
}
if (!pref_name || *pref_name == prefs::kWebKitSansSerifFontFamily ||
*pref_name == prefs::kWebKitDefaultFontSize) {
gtk_font_button_set_font_name(GTK_FONT_BUTTON(sans_font_button_),
MakeFontName(sans_serif_name_.GetValue(),
variable_width_size_.GetValue()).c_str());
}
if (!pref_name || *pref_name == prefs::kWebKitFixedFontFamily ||
*pref_name == prefs::kWebKitDefaultFixedFontSize) {
gtk_font_button_set_font_name(GTK_FONT_BUTTON(fixed_font_button_),
MakeFontName(fixed_width_name_.GetValue(),
fixed_width_size_.GetValue()).c_str());
}
if (!pref_name || *pref_name == prefs::kDefaultCharset) {
gtk_combo_box_set_active(
GTK_COMBO_BOX(default_encoding_combobox_),
default_encoding_combobox_model_->GetSelectedEncodingIndex(profile()));
}
}
void FontsPageGtk::SetFontsFromButton(StringPrefMember* name_pref,
IntegerPrefMember* size_pref,
GtkWidget* font_button) {
PangoFontDescription* desc = pango_font_description_from_string(
gtk_font_button_get_font_name(GTK_FONT_BUTTON(font_button)));
int size = pango_font_description_get_size(desc);
name_pref->SetValue(pango_font_description_get_family(desc));
size_pref->SetValue(size / PANGO_SCALE);
pango_font_description_free(desc);
// Reset the button font in px, since the chooser will have set it in points.
// Also, both sans and serif share the same size so we need to update them
// both.
NotifyPrefChanged(NULL);
}
void FontsPageGtk::OnSerifFontSet(GtkWidget* font_button) {
SetFontsFromButton(&serif_name_,
&variable_width_size_,
font_button);
}
void FontsPageGtk::OnSansFontSet(GtkWidget* font_button) {
SetFontsFromButton(&sans_serif_name_,
&variable_width_size_,
font_button);
}
void FontsPageGtk::OnFixedFontSet(GtkWidget* font_button) {
SetFontsFromButton(&fixed_width_name_,
&fixed_width_size_,
font_button);
}
void FontsPageGtk::OnDefaultEncodingChanged(GtkWidget* combo_box) {
int index = gtk_combo_box_get_active(GTK_COMBO_BOX(combo_box));
default_encoding_.SetValue(default_encoding_combobox_model_->
GetEncodingCharsetByIndex(index));
}
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