Fix issue 11258: Linux: gracefully handle small browser window...

chrome/browser/gtk/infobar_gtk.cc

 // Copyright (c) 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/infobar_gtk.h"
 
 #include <gtk/gtk.h>
 
 #include "app/gfx/gtk_util.h"
 #include "base/string_util.h"
@@ skipping 170 matching lines @@
 }
 
 // AlertInfoBar ----------------------------------------------------------------
 
 class AlertInfoBar : public InfoBar {
  public:
   explicit AlertInfoBar(AlertInfoBarDelegate* delegate)
       : InfoBar(delegate) {
     std::wstring text = delegate->GetMessageText();
     GtkWidget* label = gtk_label_new(WideToUTF8(text).c_str());
+    // We want the label to be horizontally shrinkable, so that the Chrome
+    // window can be resized freely even with a very long message.
+    gtk_widget_set_size_request(label, 0, -1);
+    gtk_label_set_ellipsize(GTK_LABEL(label), PANGO_ELLIPSIZE_END);
+    gtk_misc_set_alignment(GTK_MISC(label), 0, 0.5);
     gtk_widget_modify_fg(label, GTK_STATE_NORMAL, &gfx::kGdkBlack);
-    gtk_box_pack_start(GTK_BOX(hbox_), label, FALSE, FALSE, 0);
+    gtk_box_pack_start(GTK_BOX(hbox_), label, TRUE, TRUE, 0);
 
     gtk_widget_show_all(border_bin_.get());
   }
 };
 
 // LinkInfoBar -----------------------------------------------------------------
 
 class LinkInfoBar : public InfoBar {
  public:
   explicit LinkInfoBar(LinkInfoBarDelegate* delegate)
       : InfoBar(delegate) {
     size_t link_offset;
     std::wstring display_text =
         delegate->GetMessageTextWithOffset(&link_offset);
     std::wstring link_text = delegate->GetLinkText();
 
     // Create the link button.
     GtkWidget* link_button =
         gtk_chrome_link_button_new(WideToUTF8(link_text).c_str());
     gtk_chrome_link_button_set_use_gtk_theme(
         GTK_CHROME_LINK_BUTTON(link_button), FALSE);
     g_signal_connect(link_button, "clicked",
                      G_CALLBACK(OnLinkClick), this);
     gtk_util::SetButtonTriggersNavigation(link_button);
 
+    GtkWidget* hbox = gtk_hbox_new(FALSE, 0);
+    // We want the link to be horizontally shrinkable, so that the Chrome
+    // window can be resized freely even with a very long link.
+    gtk_widget_set_size_request(hbox, 0, -1);
+    gtk_box_pack_start(GTK_BOX(hbox_), hbox, TRUE, TRUE, 0);
     // If link_offset is npos, we right-align the link instead of embedding it
     // in the text.
     if (link_offset == std::wstring::npos) {
-      gtk_box_pack_end(GTK_BOX(hbox_), link_button, FALSE, FALSE, 0);
+      gtk_box_pack_end(GTK_BOX(hbox), link_button, FALSE, FALSE, 0);
       GtkWidget* label = gtk_label_new(WideToUTF8(display_text).c_str());
+      // In order to avoid the link_button and the label overlapping with each
+      // other, we make the label shrinkable.
+      gtk_widget_set_size_request(label, 0, -1);
+      gtk_label_set_ellipsize(GTK_LABEL(label), PANGO_ELLIPSIZE_END);
+      gtk_misc_set_alignment(GTK_MISC(label), 0, 0.5);
       gtk_widget_modify_fg(label, GTK_STATE_NORMAL, &gfx::kGdkBlack);
-      gtk_box_pack_start(GTK_BOX(hbox_), label, FALSE, FALSE, 0);
+      gtk_box_pack_start(GTK_BOX(hbox), label, TRUE, TRUE, 0);
     } else {
       GtkWidget* initial_label = gtk_label_new(
           WideToUTF8(display_text.substr(0, link_offset)).c_str());
       GtkWidget* trailing_label = gtk_label_new(
           WideToUTF8(display_text.substr(link_offset)).c_str());
 
       gtk_widget_modify_fg(initial_label, GTK_STATE_NORMAL, &gfx::kGdkBlack);
       gtk_widget_modify_fg(trailing_label, GTK_STATE_NORMAL, &gfx::kGdkBlack);
 
       // We don't want any spacing between the elements, so we pack them into
       // this hbox that doesn't use kElementPadding.
-      GtkWidget* hbox = gtk_hbox_new(FALSE, 0);
       gtk_box_pack_start(GTK_BOX(hbox), initial_label, FALSE, FALSE, 0);
       gtk_util::CenterWidgetInHBox(hbox, link_button, false, 0);
       gtk_box_pack_start(GTK_BOX(hbox), trailing_label, FALSE, FALSE, 0);
-      gtk_box_pack_start(GTK_BOX(hbox_), hbox, FALSE, FALSE, 0);
     }
 
     gtk_widget_show_all(border_bin_.get());
   }
 
  private:
   static void OnLinkClick(GtkWidget* button, LinkInfoBar* link_info_bar) {
     const GdkEventButton* button_click_event =
         reinterpret_cast<GdkEventButton*>(gtk_get_current_event());
     WindowOpenDisposition disposition = CURRENT_TAB;
@@ skipping 57 matching lines @@
 
 InfoBar* LinkInfoBarDelegate::CreateInfoBar() {
   return new LinkInfoBar(this);
 }
 
 // ConfirmInfoBarDelegate, InfoBarDelegate overrides: --------------------------
 
 InfoBar* ConfirmInfoBarDelegate::CreateInfoBar() {
   return new ConfirmInfoBar(this);
 }