| // Copyright (c) 2012 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/ui/gtk/gtk_util.h" |
| |
| #include <cairo/cairo.h> |
| |
| #include <algorithm> |
| #include <cstdarg> |
| #include <map> |
| |
| #include "base/environment.h" |
| #include "base/i18n/rtl.h" |
| #include "base/logging.h" |
| #include "base/nix/xdg_util.h" |
| #include "base/strings/string_number_conversions.h" |
| #include "base/strings/utf_string_conversions.h" |
| #include "chrome/browser/autocomplete/autocomplete_classifier.h" |
| #include "chrome/browser/autocomplete/autocomplete_classifier_factory.h" |
| #include "chrome/browser/autocomplete/autocomplete_match.h" |
| #include "chrome/browser/browser_process.h" |
| #include "chrome/browser/profiles/profile.h" |
| #include "chrome/browser/profiles/profile_info_cache.h" |
| #include "chrome/browser/profiles/profile_manager.h" |
| #include "chrome/browser/profiles/profiles_state.h" |
| #include "chrome/browser/themes/theme_properties.h" |
| #include "chrome/browser/ui/browser.h" |
| #include "chrome/browser/ui/browser_iterator.h" |
| #include "chrome/browser/ui/browser_list.h" |
| #include "chrome/browser/ui/browser_window.h" |
| #include "chrome/browser/ui/gtk/browser_window_gtk.h" |
| #include "chrome/browser/ui/gtk/gtk_theme_service.h" |
| #include "chrome/browser/ui/host_desktop.h" |
| #include "grit/chrome_unscaled_resources.h" |
| #include "grit/theme_resources.h" |
| #include "ui/base/accelerators/menu_label_accelerator_util_linux.h" |
| #include "ui/base/gtk/gtk_hig_constants.h" |
| #include "ui/base/gtk/gtk_screen_util.h" |
| #include "ui/base/l10n/l10n_util.h" |
| #include "ui/base/resource/resource_bundle.h" |
| #include "ui/base/x/x11_util.h" |
| #include "ui/gfx/gtk_compat.h" |
| #include "ui/gfx/image/cairo_cached_surface.h" |
| #include "ui/gfx/image/image.h" |
| #include "ui/gfx/pango_util.h" |
| #include "ui/gfx/text_elider.h" |
| #include "url/gurl.h" |
| |
| // These conflict with base/tracked_objects.h, so need to come last. |
| #include <gdk/gdkx.h> // NOLINT |
| |
| namespace { |
| |
| #if defined(GOOGLE_CHROME_BUILD) |
| static const char* kIconName = "google-chrome"; |
| #else |
| static const char* kIconName = "chromium-browser"; |
| #endif |
| |
| const char kBoldLabelMarkup[] = "<span weight='bold'>%s</span>"; |
| |
| // Max size of each component of the button tooltips. |
| const size_t kMaxTooltipTitleLength = 100; |
| const size_t kMaxTooltipURLLength = 400; |
| |
| // Callback used in RemoveAllChildren. |
| void RemoveWidget(GtkWidget* widget, gpointer container) { |
| gtk_container_remove(GTK_CONTAINER(container), widget); |
| } |
| |
| // These two functions are copped almost directly from gtk core. The only |
| // difference is that they accept middle clicks. |
| gboolean OnMouseButtonPressed(GtkWidget* widget, GdkEventButton* event, |
| gpointer userdata) { |
| if (event->type == GDK_BUTTON_PRESS) { |
| if (gtk_button_get_focus_on_click(GTK_BUTTON(widget)) && |
| !gtk_widget_has_focus(widget)) { |
| gtk_widget_grab_focus(widget); |
| } |
| |
| gint button_mask = GPOINTER_TO_INT(userdata); |
| if (button_mask & (1 << event->button)) |
| gtk_button_pressed(GTK_BUTTON(widget)); |
| } |
| |
| return TRUE; |
| } |
| |
| gboolean OnMouseButtonReleased(GtkWidget* widget, GdkEventButton* event, |
| gpointer userdata) { |
| gint button_mask = GPOINTER_TO_INT(userdata); |
| if (button_mask && (1 << event->button)) |
| gtk_button_released(GTK_BUTTON(widget)); |
| |
| return TRUE; |
| } |
| |
| // Returns the approximate number of characters that can horizontally fit in |
| // |pixel_width| pixels. |
| int GetCharacterWidthForPixels(GtkWidget* widget, int pixel_width) { |
| DCHECK(gtk_widget_get_realized(widget)) |
| << " widget must be realized to compute font metrics correctly"; |
| |
| PangoContext* context = gtk_widget_create_pango_context(widget); |
| GtkStyle* style = gtk_widget_get_style(widget); |
| PangoFontMetrics* metrics = pango_context_get_metrics(context, |
| style->font_desc, pango_context_get_language(context)); |
| |
| // This technique (max of char and digit widths) matches the code in |
| // gtklabel.c. |
| int char_width = pixel_width * PANGO_SCALE / |
| std::max(pango_font_metrics_get_approximate_char_width(metrics), |
| pango_font_metrics_get_approximate_digit_width(metrics)); |
| |
| pango_font_metrics_unref(metrics); |
| g_object_unref(context); |
| |
| return char_width; |
| } |
| |
| void OnLabelRealize(GtkWidget* label, gpointer pixel_width) { |
| gtk_label_set_width_chars( |
| GTK_LABEL(label), |
| GetCharacterWidthForPixels(label, GPOINTER_TO_INT(pixel_width))); |
| } |
| |
| // Ownership of |icon_list| is passed to the caller. |
| GList* GetIconList() { |
| ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance(); |
| GList* icon_list = NULL; |
| icon_list = g_list_append(icon_list, |
| rb.GetNativeImageNamed(IDR_PRODUCT_LOGO_32).ToGdkPixbuf()); |
| icon_list = g_list_append(icon_list, |
| rb.GetNativeImageNamed(IDR_PRODUCT_LOGO_16).ToGdkPixbuf()); |
| return icon_list; |
| } |
| |
| // Returns the avatar icon for |profile|. |
| // |
| // Returns NULL if there is only one profile; always returns an icon for |
| // Incognito profiles. |
| // |
| // The returned pixbuf must not be unreferenced or freed because it's owned by |
| // either the resource bundle or the profile info cache. |
| GdkPixbuf* GetAvatarIcon(Profile* profile) { |
| if (profile->IsOffTheRecord()) { |
| ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance(); |
| return rb.GetNativeImageNamed(IDR_OTR_ICON).ToGdkPixbuf(); |
| } |
| |
| const ProfileInfoCache& cache = |
| g_browser_process->profile_manager()->GetProfileInfoCache(); |
| |
| if (!profiles::IsMultipleProfilesEnabled() || |
| cache.GetNumberOfProfiles() < 2) |
| return NULL; |
| |
| const size_t index = cache.GetIndexOfProfileWithPath(profile->GetPath()); |
| |
| return (index != std::string::npos ? |
| cache.GetAvatarIconOfProfileAtIndex(index).ToGdkPixbuf() : |
| static_cast<GdkPixbuf*>(NULL)); |
| } |
| |
| // Gets the Chrome product icon. |
| // |
| // If it doesn't find the icon in |theme|, it looks among the icons packaged |
| // with Chrome. |
| // |
| // Supported values of |size| are 16, 32, and 64. If the Chrome icon is found |
| // in |theme|, the returned icon may not be of the requested size if |size| |
| // has an unsupported value (GTK might scale it). If the Chrome icon is not |
| // found in |theme|, and |size| has an unsupported value, the program will be |
| // aborted with CHECK(false). |
| // |
| // The caller is responsible for calling g_object_unref() on the returned |
| // pixbuf. |
| GdkPixbuf* GetChromeIcon(GtkIconTheme* theme, const int size) { |
| if (gtk_icon_theme_has_icon(theme, kIconName)) { |
| GdkPixbuf* icon = |
| gtk_icon_theme_load_icon(theme, |
| kIconName, |
| size, |
| static_cast<GtkIconLookupFlags>(0), |
| 0); |
| GdkPixbuf* icon_copy = gdk_pixbuf_copy(icon); |
| g_object_unref(icon); |
| return icon_copy; |
| } |
| |
| ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance(); |
| int id = 0; |
| |
| switch (size) { |
| case 16: id = IDR_PRODUCT_LOGO_16; break; |
| case 32: id = IDR_PRODUCT_LOGO_32; break; |
| case 64: id = IDR_PRODUCT_LOGO_64; break; |
| default: CHECK(false); break; |
| } |
| |
| return gdk_pixbuf_copy(rb.GetNativeImageNamed(id).ToGdkPixbuf()); |
| } |
| |
| // Adds |emblem| to the bottom-right corner of |icon|. |
| // |
| // Taking the ceiling of the scaled destination rect's dimensions (|dest_w| |
| // and |dest_h|) because, if the destination rect is larger than the scaled |
| // emblem, gdk_pixbuf_composite() will replicate the edge pixels of the emblem |
| // to fill the gap, which is better than a cropped emblem, I think. |
| void AddEmblem(const GdkPixbuf* emblem, GdkPixbuf* icon) { |
| const int iw = gdk_pixbuf_get_width(icon); |
| const int ih = gdk_pixbuf_get_height(icon); |
| const int ew = gdk_pixbuf_get_width(emblem); |
| const int eh = gdk_pixbuf_get_height(emblem); |
| |
| const double emblem_scale = |
| (static_cast<double>(ih) / static_cast<double>(eh)) * 0.5; |
| const int dest_w = ::ceil(ew * emblem_scale); |
| const int dest_h = ::ceil(eh * emblem_scale); |
| const int x = iw - dest_w; // Used for offset_x and dest_x. |
| const int y = ih - dest_h; // Used for offset_y and dest_y. |
| |
| gdk_pixbuf_composite(emblem, icon, |
| x, y, |
| dest_w, dest_h, |
| x, y, |
| emblem_scale, emblem_scale, |
| GDK_INTERP_BILINEAR, 255); |
| } |
| |
| // Returns a list containing Chrome icons of various sizes emblemed with the |
| // |profile|'s avatar. |
| // |
| // If there is only one profile, no emblem is added, but icons for Incognito |
| // profiles will always get the Incognito emblem. |
| // |
| // The caller owns the list and all the icons it contains will have had their |
| // reference counts incremented. Therefore the caller should unreference each |
| // element before freeing the list. |
| GList* GetIconListWithAvatars(GtkWindow* window, Profile* profile) { |
| GtkIconTheme* theme = |
| gtk_icon_theme_get_for_screen(gtk_widget_get_screen(GTK_WIDGET(window))); |
| |
| GdkPixbuf* icon_16 = GetChromeIcon(theme, 16); |
| GdkPixbuf* icon_32 = GetChromeIcon(theme, 32); |
| GdkPixbuf* icon_64 = GetChromeIcon(theme, 64); |
| |
| const GdkPixbuf* avatar = GetAvatarIcon(profile); |
| if (avatar) { |
| AddEmblem(avatar, icon_16); |
| AddEmblem(avatar, icon_32); |
| AddEmblem(avatar, icon_64); |
| } |
| |
| GList* icon_list = NULL; |
| icon_list = g_list_append(icon_list, icon_64); |
| icon_list = g_list_append(icon_list, icon_32); |
| icon_list = g_list_append(icon_list, icon_16); |
| |
| return icon_list; |
| } |
| |
| // Expose event handler for a container that simply suppresses the default |
| // drawing and propagates the expose event to the container's children. |
| gboolean PaintNoBackground(GtkWidget* widget, |
| GdkEventExpose* event, |
| gpointer unused) { |
| GList* children = gtk_container_get_children(GTK_CONTAINER(widget)); |
| for (GList* item = children; item; item = item->next) { |
| gtk_container_propagate_expose(GTK_CONTAINER(widget), |
| GTK_WIDGET(item->data), |
| event); |
| } |
| g_list_free(children); |
| |
| return TRUE; |
| } |
| |
| } // namespace |
| |
| namespace gtk_util { |
| |
| GtkWidget* CreateLabeledControlsGroup(std::vector<GtkWidget*>* labels, |
| const char* text, ...) { |
| va_list ap; |
| va_start(ap, text); |
| GtkWidget* table = gtk_table_new(0, 2, FALSE); |
| gtk_table_set_col_spacing(GTK_TABLE(table), 0, ui::kLabelSpacing); |
| gtk_table_set_row_spacings(GTK_TABLE(table), ui::kControlSpacing); |
| |
| for (guint row = 0; text; ++row) { |
| gtk_table_resize(GTK_TABLE(table), row + 1, 2); |
| GtkWidget* control = va_arg(ap, GtkWidget*); |
| GtkWidget* label = gtk_label_new(text); |
| gtk_misc_set_alignment(GTK_MISC(label), 0, 0.5); |
| if (labels) |
| labels->push_back(label); |
| |
| gtk_table_attach(GTK_TABLE(table), label, |
| 0, 1, row, row + 1, |
| GTK_FILL, GTK_FILL, |
| 0, 0); |
| gtk_table_attach_defaults(GTK_TABLE(table), control, |
| 1, 2, row, row + 1); |
| text = va_arg(ap, const char*); |
| } |
| va_end(ap); |
| |
| return table; |
| } |
| |
| GtkWidget* CreateGtkBorderBin(GtkWidget* child, const GdkColor* color, |
| int top, int bottom, int left, int right) { |
| // Use a GtkEventBox to get the background painted. However, we can't just |
| // use a container border, since it won't paint there. Use an alignment |
| // inside to get the sizes exactly of how we want the border painted. |
| GtkWidget* ebox = gtk_event_box_new(); |
| if (color) |
| gtk_widget_modify_bg(ebox, GTK_STATE_NORMAL, color); |
| GtkWidget* alignment = gtk_alignment_new(0.0, 0.0, 1.0, 1.0); |
| gtk_alignment_set_padding(GTK_ALIGNMENT(alignment), top, bottom, left, right); |
| gtk_container_add(GTK_CONTAINER(alignment), child); |
| gtk_container_add(GTK_CONTAINER(ebox), alignment); |
| return ebox; |
| } |
| |
| GtkWidget* LeftAlignMisc(GtkWidget* misc) { |
| gtk_misc_set_alignment(GTK_MISC(misc), 0, 0.5); |
| return misc; |
| } |
| |
| GtkWidget* CreateBoldLabel(const std::string& text) { |
| GtkWidget* label = gtk_label_new(NULL); |
| char* markup = g_markup_printf_escaped(kBoldLabelMarkup, text.c_str()); |
| gtk_label_set_markup(GTK_LABEL(label), markup); |
| g_free(markup); |
| |
| return LeftAlignMisc(label); |
| } |
| |
| void GetWidgetSizeFromCharacters( |
| GtkWidget* widget, double width_chars, double height_lines, |
| int* width, int* height) { |
| DCHECK(gtk_widget_get_realized(widget)) |
| << " widget must be realized to compute font metrics correctly"; |
| PangoContext* context = gtk_widget_create_pango_context(widget); |
| GtkStyle* style = gtk_widget_get_style(widget); |
| PangoFontMetrics* metrics = pango_context_get_metrics(context, |
| style->font_desc, pango_context_get_language(context)); |
| if (width) { |
| *width = static_cast<int>( |
| pango_font_metrics_get_approximate_char_width(metrics) * |
| width_chars / PANGO_SCALE); |
| } |
| if (height) { |
| *height = static_cast<int>( |
| (pango_font_metrics_get_ascent(metrics) + |
| pango_font_metrics_get_descent(metrics)) * |
| height_lines / PANGO_SCALE); |
| } |
| pango_font_metrics_unref(metrics); |
| g_object_unref(context); |
| } |
| |
| void GetWidgetSizeFromResources( |
| GtkWidget* widget, int width_chars, int height_lines, |
| int* width, int* height) { |
| DCHECK(gtk_widget_get_realized(widget)) |
| << " widget must be realized to compute font metrics correctly"; |
| |
| double chars = 0; |
| if (width) |
| base::StringToDouble(l10n_util::GetStringUTF8(width_chars), &chars); |
| |
| double lines = 0; |
| if (height) |
| base::StringToDouble(l10n_util::GetStringUTF8(height_lines), &lines); |
| |
| GetWidgetSizeFromCharacters(widget, chars, lines, width, height); |
| } |
| |
| void SetWindowSizeFromResources(GtkWindow* window, |
| int width_id, int height_id, bool resizable) { |
| int width = -1; |
| int height = -1; |
| gtk_util::GetWidgetSizeFromResources(GTK_WIDGET(window), width_id, height_id, |
| (width_id != -1) ? &width : NULL, |
| (height_id != -1) ? &height : NULL); |
| |
| if (resizable) { |
| gtk_window_set_default_size(window, width, height); |
| } else { |
| // For a non-resizable window, GTK tries to snap the window size |
| // to the minimum size around the content. We use the sizes in |
| // the resources to set *minimum* window size to allow windows |
| // with long titles to be wide enough to display their titles. |
| // |
| // But if GTK wants to make the window *wider* due to very wide |
| // controls, we should allow that too, so be careful to pick the |
| // wider of the resources size and the natural window size. |
| |
| gtk_widget_show_all(gtk_bin_get_child(GTK_BIN(window))); |
| GtkRequisition requisition; |
| gtk_widget_size_request(GTK_WIDGET(window), &requisition); |
| gtk_widget_set_size_request( |
| GTK_WIDGET(window), |
| width == -1 ? -1 : std::max(width, requisition.width), |
| height == -1 ? -1 : std::max(height, requisition.height)); |
| } |
| gtk_window_set_resizable(window, resizable ? TRUE : FALSE); |
| } |
| |
| void MakeAppModalWindowGroup() { |
| // Older versions of GTK+ don't give us gtk_window_group_list() which is what |
| // we need to add current non-browser modal dialogs to the list. If |
| // we have 2.14+ we can do things the correct way. |
| GtkWindowGroup* window_group = gtk_window_group_new(); |
| for (chrome::BrowserIterator it; !it.done(); it.Next()) { |
| // List all windows in this current group |
| GtkWindowGroup* old_group = |
| gtk_window_get_group((*it)->window()->GetNativeWindow()); |
| |
| GList* all_windows = gtk_window_group_list_windows(old_group); |
| for (GList* window = all_windows; window; window = window->next) { |
| gtk_window_group_add_window(window_group, GTK_WINDOW(window->data)); |
| } |
| g_list_free(all_windows); |
| } |
| g_object_unref(window_group); |
| } |
| |
| void AppModalDismissedUngroupWindows() { |
| // GTK only has the native desktop. |
| const BrowserList* native_browser_list = |
| BrowserList::GetInstance(chrome::HOST_DESKTOP_TYPE_NATIVE); |
| if (!native_browser_list->empty()) { |
| std::vector<GtkWindow*> transient_windows; |
| |
| // All windows should be part of one big modal group right now. |
| GtkWindowGroup* window_group = gtk_window_get_group( |
| native_browser_list->get(0)->window()->GetNativeWindow()); |
| GList* windows = gtk_window_group_list_windows(window_group); |
| |
| for (GList* item = windows; item; item = item->next) { |
| GtkWindow* window = GTK_WINDOW(item->data); |
| GtkWindow* transient_for = gtk_window_get_transient_for(window); |
| if (transient_for) { |
| transient_windows.push_back(window); |
| } else { |
| GtkWindowGroup* window_group = gtk_window_group_new(); |
| gtk_window_group_add_window(window_group, window); |
| g_object_unref(window_group); |
| } |
| } |
| |
| // Put each transient window in the same group as its transient parent. |
| for (std::vector<GtkWindow*>::iterator it = transient_windows.begin(); |
| it != transient_windows.end(); ++it) { |
| GtkWindow* transient_parent = gtk_window_get_transient_for(*it); |
| GtkWindowGroup* group = gtk_window_get_group(transient_parent); |
| gtk_window_group_add_window(group, *it); |
| } |
| g_list_free(windows); |
| } |
| } |
| |
| void RemoveAllChildren(GtkWidget* container) { |
| gtk_container_foreach(GTK_CONTAINER(container), RemoveWidget, container); |
| } |
| |
| void ForceFontSizePixels(GtkWidget* widget, double size_pixels) { |
| gfx::ScopedPangoFontDescription font_desc(pango_font_description_new()); |
| // pango_font_description_set_absolute_size sets the font size in device |
| // units, which for us is pixels. |
| pango_font_description_set_absolute_size(font_desc.get(), |
| PANGO_SCALE * size_pixels); |
| gtk_widget_modify_font(widget, font_desc.get()); |
| } |
| |
| void UndoForceFontSize(GtkWidget* widget) { |
| gtk_widget_modify_font(widget, NULL); |
| } |
| |
| gfx::Size GetWidgetSize(GtkWidget* widget) { |
| GtkRequisition size; |
| gtk_widget_size_request(widget, &size); |
| return gfx::Size(size.width, size.height); |
| } |
| |
| void ConvertWidgetPointToScreen(GtkWidget* widget, gfx::Point* p) { |
| DCHECK(widget); |
| DCHECK(p); |
| |
| *p += ui::GetWidgetScreenOffset(widget); |
| } |
| |
| GtkWidget* CenterWidgetInHBox(GtkWidget* hbox, GtkWidget* widget, |
| bool pack_at_end, int padding) { |
| GtkWidget* centering_vbox = gtk_vbox_new(FALSE, 0); |
| gtk_box_pack_start(GTK_BOX(centering_vbox), widget, TRUE, FALSE, 0); |
| if (pack_at_end) |
| gtk_box_pack_end(GTK_BOX(hbox), centering_vbox, FALSE, FALSE, padding); |
| else |
| gtk_box_pack_start(GTK_BOX(hbox), centering_vbox, FALSE, FALSE, padding); |
| |
| return centering_vbox; |
| } |
| |
| void SetButtonClickableByMouseButtons(GtkWidget* button, |
| bool left, bool middle, bool right) { |
| gint button_mask = 0; |
| if (left) |
| button_mask |= 1 << 1; |
| if (middle) |
| button_mask |= 1 << 2; |
| if (right) |
| button_mask |= 1 << 3; |
| void* userdata = GINT_TO_POINTER(button_mask); |
| |
| g_signal_connect(button, "button-press-event", |
| G_CALLBACK(OnMouseButtonPressed), userdata); |
| g_signal_connect(button, "button-release-event", |
| G_CALLBACK(OnMouseButtonReleased), userdata); |
| } |
| |
| void SetButtonTriggersNavigation(GtkWidget* button) { |
| SetButtonClickableByMouseButtons(button, true, true, false); |
| } |
| |
| int MirroredLeftPointForRect(GtkWidget* widget, const gfx::Rect& bounds) { |
| if (!base::i18n::IsRTL()) |
| return bounds.x(); |
| |
| GtkAllocation allocation; |
| gtk_widget_get_allocation(widget, &allocation); |
| return allocation.width - bounds.x() - bounds.width(); |
| } |
| |
| int MirroredRightPointForRect(GtkWidget* widget, const gfx::Rect& bounds) { |
| if (!base::i18n::IsRTL()) |
| return bounds.right(); |
| |
| GtkAllocation allocation; |
| gtk_widget_get_allocation(widget, &allocation); |
| return allocation.width - bounds.x(); |
| } |
| |
| int MirroredXCoordinate(GtkWidget* widget, int x) { |
| if (base::i18n::IsRTL()) { |
| GtkAllocation allocation; |
| gtk_widget_get_allocation(widget, &allocation); |
| return allocation.width - x; |
| } |
| return x; |
| } |
| |
| bool WidgetContainsCursor(GtkWidget* widget) { |
| gint x = 0; |
| gint y = 0; |
| gtk_widget_get_pointer(widget, &x, &y); |
| return WidgetBounds(widget).Contains(x, y); |
| } |
| |
| void SetDefaultWindowIcon(GtkWindow* window) { |
| GtkIconTheme* theme = |
| gtk_icon_theme_get_for_screen(gtk_widget_get_screen(GTK_WIDGET(window))); |
| |
| if (gtk_icon_theme_has_icon(theme, kIconName)) { |
| gtk_window_set_default_icon_name(kIconName); |
| // Sometimes the WM fails to update the icon when we tell it to. The above |
| // line should be enough to update all existing windows, but it can fail, |
| // e.g. with Lucid/metacity. The following line seems to fix the common |
| // case where the first window created doesn't have an icon. |
| gtk_window_set_icon_name(window, kIconName); |
| } else { |
| GList* icon_list = GetIconList(); |
| gtk_window_set_default_icon_list(icon_list); |
| // Same logic applies here. |
| gtk_window_set_icon_list(window, icon_list); |
| g_list_free(icon_list); |
| } |
| } |
| |
| void SetWindowIcon(GtkWindow* window, Profile* profile) { |
| GList* icon_list = GetIconListWithAvatars(window, profile); |
| gtk_window_set_icon_list(window, icon_list); |
| g_list_foreach(icon_list, reinterpret_cast<GFunc>(g_object_unref), NULL); |
| g_list_free(icon_list); |
| } |
| |
| void SetWindowIcon(GtkWindow* window, Profile* profile, GdkPixbuf* icon) { |
| const GdkPixbuf* avatar = GetAvatarIcon(profile); |
| if (avatar) AddEmblem(avatar, icon); |
| gtk_window_set_icon(window, icon); |
| } |
| |
| GtkWidget* AddButtonToDialog(GtkWidget* dialog, const gchar* text, |
| const gchar* stock_id, gint response_id) { |
| GtkWidget* button = gtk_button_new_with_label(text); |
| gtk_button_set_image(GTK_BUTTON(button), |
| gtk_image_new_from_stock(stock_id, |
| GTK_ICON_SIZE_BUTTON)); |
| gtk_dialog_add_action_widget(GTK_DIALOG(dialog), button, |
| response_id); |
| return button; |
| } |
| |
| GtkWidget* BuildDialogButton(GtkWidget* dialog, int ids_id, |
| const gchar* stock_id) { |
| GtkWidget* button = gtk_button_new_with_mnemonic( |
| ui::ConvertAcceleratorsFromWindowsStyle( |
| l10n_util::GetStringUTF8(ids_id)).c_str()); |
| gtk_button_set_image(GTK_BUTTON(button), |
| gtk_image_new_from_stock(stock_id, |
| GTK_ICON_SIZE_BUTTON)); |
| return button; |
| } |
| |
| GtkWidget* CreateEntryImageHBox(GtkWidget* entry, GtkWidget* image) { |
| GtkWidget* hbox = gtk_hbox_new(FALSE, ui::kControlSpacing); |
| gtk_box_pack_start(GTK_BOX(hbox), entry, TRUE, TRUE, 0); |
| gtk_box_pack_start(GTK_BOX(hbox), image, FALSE, FALSE, 0); |
| return hbox; |
| } |
| |
| void SetLabelColor(GtkWidget* label, const GdkColor* color) { |
| gtk_widget_modify_fg(label, GTK_STATE_NORMAL, color); |
| gtk_widget_modify_fg(label, GTK_STATE_ACTIVE, color); |
| gtk_widget_modify_fg(label, GTK_STATE_PRELIGHT, color); |
| gtk_widget_modify_fg(label, GTK_STATE_INSENSITIVE, color); |
| } |
| |
| GtkWidget* IndentWidget(GtkWidget* content) { |
| GtkWidget* content_alignment = gtk_alignment_new(0.0, 0.5, 1.0, 1.0); |
| gtk_alignment_set_padding(GTK_ALIGNMENT(content_alignment), 0, 0, |
| ui::kGroupIndent, 0); |
| gtk_container_add(GTK_CONTAINER(content_alignment), content); |
| return content_alignment; |
| } |
| |
| GdkPoint MakeBidiGdkPoint(gint x, gint y, gint width, bool ltr) { |
| GdkPoint point = {ltr ? x : width - x, y}; |
| return point; |
| } |
| |
| std::string BuildTooltipTitleFor(base::string16 title, const GURL& url) { |
| const std::string& url_str = url.possibly_invalid_spec(); |
| const std::string& title_str = UTF16ToUTF8(title); |
| |
| std::string truncated_url = UTF16ToUTF8(gfx::TruncateString( |
| UTF8ToUTF16(url_str), kMaxTooltipURLLength)); |
| gchar* escaped_url_cstr = g_markup_escape_text(truncated_url.c_str(), |
| truncated_url.size()); |
| std::string escaped_url(escaped_url_cstr); |
| g_free(escaped_url_cstr); |
| |
| if (url_str == title_str || title.empty()) { |
| return escaped_url; |
| } else { |
| std::string truncated_title = UTF16ToUTF8(gfx::TruncateString( |
| title, kMaxTooltipTitleLength)); |
| gchar* escaped_title_cstr = g_markup_escape_text(truncated_title.c_str(), |
| truncated_title.size()); |
| std::string escaped_title(escaped_title_cstr); |
| g_free(escaped_title_cstr); |
| |
| if (!escaped_url.empty()) |
| return std::string("<b>") + escaped_title + "</b>\n" + escaped_url; |
| else |
| return std::string("<b>") + escaped_title + "</b>"; |
| } |
| } |
| |
| void DrawTextEntryBackground(GtkWidget* offscreen_entry, |
| GtkWidget* widget_to_draw_on, |
| GdkRectangle* dirty_rec, |
| GdkRectangle* rec) { |
| GtkStyle* gtk_owned_style = gtk_rc_get_style(offscreen_entry); |
| // GTK owns the above and we're going to have to make our own copy of it |
| // that we can edit. |
| GtkStyle* our_style = gtk_style_copy(gtk_owned_style); |
| our_style = gtk_style_attach(our_style, widget_to_draw_on->window); |
| |
| // TODO(erg): Draw the focus ring if appropriate... |
| |
| // We're using GTK rendering; draw a GTK entry widget onto the background. |
| gtk_paint_shadow(our_style, widget_to_draw_on->window, |
| GTK_STATE_NORMAL, GTK_SHADOW_IN, dirty_rec, |
| widget_to_draw_on, "entry", |
| rec->x, rec->y, rec->width, rec->height); |
| |
| // Draw the interior background (not all themes draw the entry background |
| // above; this is a noop on themes that do). |
| gint xborder = our_style->xthickness; |
| gint yborder = our_style->ythickness; |
| gint width = rec->width - 2 * xborder; |
| gint height = rec->height - 2 * yborder; |
| if (width > 0 && height > 0) { |
| gtk_paint_flat_box(our_style, widget_to_draw_on->window, |
| GTK_STATE_NORMAL, GTK_SHADOW_NONE, dirty_rec, |
| widget_to_draw_on, "entry_bg", |
| rec->x + xborder, rec->y + yborder, |
| width, height); |
| } |
| |
| gtk_style_detach(our_style); |
| g_object_unref(our_style); |
| } |
| |
| void SetLayoutText(PangoLayout* layout, const base::string16& text) { |
| // Pango is really easy to overflow and send into a computational death |
| // spiral that can corrupt the screen. Assume that we'll never have more than |
| // 2000 characters, which should be a safe assumption until we all get robot |
| // eyes. http://crbug.com/66576 |
| std::string text_utf8 = UTF16ToUTF8(text); |
| if (text_utf8.length() > 2000) |
| text_utf8 = text_utf8.substr(0, 2000); |
| |
| pango_layout_set_text(layout, text_utf8.data(), text_utf8.length()); |
| } |
| |
| void DrawThemedToolbarBackground(GtkWidget* widget, |
| cairo_t* cr, |
| GdkEventExpose* event, |
| const gfx::Point& tabstrip_origin, |
| GtkThemeService* theme_service) { |
| // Fill the entire region with the toolbar color. |
| GdkColor color = theme_service->GetGdkColor( |
| ThemeProperties::COLOR_TOOLBAR); |
| gdk_cairo_set_source_color(cr, &color); |
| cairo_fill(cr); |
| |
| // The toolbar is supposed to blend in with the active tab, so we have to pass |
| // coordinates for the IDR_THEME_TOOLBAR bitmap relative to the top of the |
| // tab strip. |
| const gfx::Image background = |
| theme_service->GetImageNamed(IDR_THEME_TOOLBAR); |
| background.ToCairo()->SetSource(cr, widget, |
| tabstrip_origin.x(), tabstrip_origin.y()); |
| // We tile the toolbar background in both directions. |
| cairo_pattern_set_extend(cairo_get_source(cr), CAIRO_EXTEND_REPEAT); |
| cairo_rectangle(cr, |
| tabstrip_origin.x(), |
| tabstrip_origin.y(), |
| event->area.x + event->area.width - tabstrip_origin.x(), |
| event->area.y + event->area.height - tabstrip_origin.y()); |
| cairo_fill(cr); |
| } |
| |
| void DrawFullImage(cairo_t* cr, |
| GtkWidget* widget, |
| const gfx::Image& image, |
| gint dest_x, |
| gint dest_y) { |
| gfx::CairoCachedSurface* surface = image.ToCairo(); |
| surface->SetSource(cr, widget, dest_x, dest_y); |
| cairo_pattern_set_extend(cairo_get_source(cr), CAIRO_EXTEND_REPEAT); |
| cairo_rectangle(cr, dest_x, dest_y, surface->Width(), surface->Height()); |
| cairo_fill(cr); |
| } |
| |
| GdkColor AverageColors(GdkColor color_one, GdkColor color_two) { |
| GdkColor average_color; |
| average_color.pixel = 0; |
| average_color.red = (color_one.red + color_two.red) / 2; |
| average_color.green = (color_one.green + color_two.green) / 2; |
| average_color.blue = (color_one.blue + color_two.blue) / 2; |
| return average_color; |
| } |
| |
| void SetAlwaysShowImage(GtkWidget* image_menu_item) { |
| gtk_image_menu_item_set_always_show_image( |
| GTK_IMAGE_MENU_ITEM(image_menu_item), TRUE); |
| } |
| |
| gfx::Rect GetWidgetRectRelativeToToplevel(GtkWidget* widget) { |
| DCHECK(gtk_widget_get_realized(widget)); |
| |
| GtkWidget* toplevel = gtk_widget_get_toplevel(widget); |
| DCHECK(toplevel); |
| DCHECK(gtk_widget_get_realized(toplevel)); |
| |
| gint x = 0, y = 0; |
| gtk_widget_translate_coordinates(widget, |
| toplevel, |
| 0, 0, |
| &x, &y); |
| |
| GtkAllocation allocation; |
| gtk_widget_get_allocation(widget, &allocation); |
| return gfx::Rect(x, y, allocation.width, allocation.height); |
| } |
| |
| void SuppressDefaultPainting(GtkWidget* container) { |
| g_signal_connect(container, "expose-event", |
| G_CALLBACK(PaintNoBackground), NULL); |
| } |
| |
| bool GrabAllInput(GtkWidget* widget) { |
| guint time = gtk_get_current_event_time(); |
| |
| if (!gtk_widget_get_visible(widget)) |
| return false; |
| |
| GdkWindow* gdk_window = gtk_widget_get_window(widget); |
| if (gdk_pointer_grab(gdk_window, |
| TRUE, |
| GdkEventMask(GDK_BUTTON_PRESS_MASK | |
| GDK_BUTTON_RELEASE_MASK | |
| GDK_ENTER_NOTIFY_MASK | |
| GDK_LEAVE_NOTIFY_MASK | |
| GDK_POINTER_MOTION_MASK), |
| NULL, NULL, time) != 0) { |
| return false; |
| } |
| |
| if (gdk_keyboard_grab(gdk_window, TRUE, time) != 0) { |
| gdk_display_pointer_ungrab(gdk_drawable_get_display(gdk_window), time); |
| return false; |
| } |
| |
| gtk_grab_add(widget); |
| return true; |
| } |
| |
| gfx::Rect WidgetBounds(GtkWidget* widget) { |
| // To quote the gtk docs: |
| // |
| // Widget coordinates are a bit odd; for historical reasons, they are |
| // defined as widget->window coordinates for widgets that are not |
| // GTK_NO_WINDOW widgets, and are relative to allocation.x, allocation.y |
| // for widgets that are GTK_NO_WINDOW widgets. |
| // |
| // So the base is always (0,0). |
| GtkAllocation allocation; |
| gtk_widget_get_allocation(widget, &allocation); |
| return gfx::Rect(0, 0, allocation.width, allocation.height); |
| } |
| |
| void SetWMLastUserActionTime(GtkWindow* window) { |
| gdk_x11_window_set_user_time(gtk_widget_get_window(GTK_WIDGET(window)), |
| XTimeNow()); |
| } |
| |
| guint32 XTimeNow() { |
| struct timespec ts; |
| clock_gettime(CLOCK_MONOTONIC, &ts); |
| return ts.tv_sec * 1000 + ts.tv_nsec / 1000000; |
| } |
| |
| bool URLFromPrimarySelection(Profile* profile, GURL* url) { |
| GtkClipboard* clipboard = gtk_clipboard_get(GDK_SELECTION_PRIMARY); |
| DCHECK(clipboard); |
| gchar* selection_text = gtk_clipboard_wait_for_text(clipboard); |
| if (!selection_text) |
| return false; |
| |
| // Use autocomplete to clean up the text, going so far as to turn it into |
| // a search query if necessary. |
| AutocompleteMatch match; |
| AutocompleteClassifierFactory::GetForProfile(profile)->Classify( |
| UTF8ToUTF16(selection_text), false, false, &match, NULL); |
| g_free(selection_text); |
| if (!match.destination_url.is_valid()) |
| return false; |
| |
| *url = match.destination_url; |
| return true; |
| } |
| |
| bool AddWindowAlphaChannel(GtkWidget* window) { |
| GdkScreen* screen = gtk_widget_get_screen(window); |
| GdkColormap* rgba = gdk_screen_get_rgba_colormap(screen); |
| if (rgba) |
| gtk_widget_set_colormap(window, rgba); |
| |
| return rgba; |
| } |
| |
| void GetTextColors(GdkColor* normal_base, |
| GdkColor* selected_base, |
| GdkColor* normal_text, |
| GdkColor* selected_text) { |
| GtkWidget* fake_entry = gtk_entry_new(); |
| GtkStyle* style = gtk_rc_get_style(fake_entry); |
| |
| if (normal_base) |
| *normal_base = style->base[GTK_STATE_NORMAL]; |
| if (selected_base) |
| *selected_base = style->base[GTK_STATE_SELECTED]; |
| if (normal_text) |
| *normal_text = style->text[GTK_STATE_NORMAL]; |
| if (selected_text) |
| *selected_text = style->text[GTK_STATE_SELECTED]; |
| |
| g_object_ref_sink(fake_entry); |
| g_object_unref(fake_entry); |
| } |
| |
| void ShowDialog(GtkWidget* dialog) { |
| gtk_widget_show_all(dialog); |
| } |
| |
| void ShowDialogWithLocalizedSize(GtkWidget* dialog, |
| int width_id, |
| int height_id, |
| bool resizeable) { |
| gtk_widget_realize(dialog); |
| SetWindowSizeFromResources(GTK_WINDOW(dialog), |
| width_id, |
| height_id, |
| resizeable); |
| gtk_widget_show_all(dialog); |
| } |
| |
| void ShowDialogWithMinLocalizedWidth(GtkWidget* dialog, |
| int width_id) { |
| gtk_widget_show_all(dialog); |
| |
| // Suggest a minimum size. |
| gint width; |
| GtkRequisition req; |
| gtk_widget_size_request(dialog, &req); |
| gtk_util::GetWidgetSizeFromResources(dialog, width_id, 0, &width, NULL); |
| if (width > req.width) |
| gtk_widget_set_size_request(dialog, width, -1); |
| } |
| |
| void PresentWindow(GtkWidget* window, int timestamp) { |
| if (timestamp) |
| gtk_window_present_with_time(GTK_WINDOW(window), timestamp); |
| else |
| gtk_window_present(GTK_WINDOW(window)); |
| } |
| |
| gfx::Rect GetDialogBounds(GtkWidget* dialog) { |
| gint x = 0, y = 0, width = 1, height = 1; |
| gtk_window_get_position(GTK_WINDOW(dialog), &x, &y); |
| gtk_window_get_size(GTK_WINDOW(dialog), &width, &height); |
| |
| return gfx::Rect(x, y, width, height); |
| } |
| |
| base::string16 GetStockPreferencesMenuLabel() { |
| GtkStockItem stock_item; |
| base::string16 preferences; |
| if (gtk_stock_lookup(GTK_STOCK_PREFERENCES, &stock_item)) { |
| const char16 kUnderscore[] = { '_', 0 }; |
| base::RemoveChars(UTF8ToUTF16(stock_item.label), kUnderscore, &preferences); |
| } |
| return preferences; |
| } |
| |
| bool IsWidgetAncestryVisible(GtkWidget* widget) { |
| GtkWidget* parent = widget; |
| while (parent && gtk_widget_get_visible(parent)) |
| parent = gtk_widget_get_parent(parent); |
| return !parent; |
| } |
| |
| void SetLabelWidth(GtkWidget* label, int pixel_width) { |
| gtk_label_set_line_wrap(GTK_LABEL(label), TRUE); |
| gtk_misc_set_alignment(GTK_MISC(label), 0, 0.5); |
| |
| // Do the simple thing in LTR because the bug only affects right-aligned |
| // text. Also, when using the workaround, the label tries to maintain |
| // uniform line-length, which we don't really want. |
| if (gtk_widget_get_direction(label) == GTK_TEXT_DIR_LTR) { |
| gtk_widget_set_size_request(label, pixel_width, -1); |
| } else { |
| // The label has to be realized before we can adjust its width. |
| if (gtk_widget_get_realized(label)) { |
| OnLabelRealize(label, GINT_TO_POINTER(pixel_width)); |
| } else { |
| g_signal_connect(label, "realize", G_CALLBACK(OnLabelRealize), |
| GINT_TO_POINTER(pixel_width)); |
| } |
| } |
| } |
| |
| void InitLabelSizeRequestAndEllipsizeMode(GtkWidget* label) { |
| GtkRequisition size; |
| gtk_label_set_ellipsize(GTK_LABEL(label), PANGO_ELLIPSIZE_NONE); |
| gtk_widget_set_size_request(label, -1, -1); |
| gtk_widget_size_request(label, &size); |
| gtk_widget_set_size_request(label, size.width, size.height); |
| gtk_label_set_ellipsize(GTK_LABEL(label), PANGO_ELLIPSIZE_END); |
| } |
| |
| void ApplyMessageDialogQuirks(GtkWidget* dialog) { |
| if (gtk_window_get_modal(GTK_WINDOW(dialog))) { |
| // Work around a KDE 3 window manager bug. |
| scoped_ptr<base::Environment> env(base::Environment::Create()); |
| if (base::nix::DESKTOP_ENVIRONMENT_KDE3 == |
| base::nix::GetDesktopEnvironment(env.get())) |
| gtk_window_set_skip_taskbar_hint(GTK_WINDOW(dialog), FALSE); |
| } |
| } |
| |
| } // namespace gtk_util |