Add Ctrl+Tab and Ctrl+Shift+Tab keys to switch between tabs.

data/gui.xml

@@ -78,6 +78,9 @@
       <key command="PaletteEditor" shortcut="F4">
         <param name="switch" value="true" />
       </key>
+      <!-- Tabs -->
+      <key command="GotoNextTab" shortcut="Ctrl+Tab" />
+      <key command="GotoPreviousTab" shortcut="Ctrl+Shift+Tab" />
       <!-- Others -->
       <key command="SwitchColors" shortcut="X" />
       <key command="ChangeColor" shortcut="9">

src/CMakeLists.txt

@@ -148,6 +148,7 @@ add_library(aseprite-library
   commands/cmd_frame_properties.cpp
   commands/cmd_goto_frame.cpp
   commands/cmd_goto_layer.cpp
+  commands/cmd_goto_tab.cpp
   commands/cmd_grid.cpp
   commands/cmd_import_sprite_sheet.cpp
   commands/cmd_invert_mask.cpp

src/commands/cmd_goto_tab.cpp

@@ -0,0 +1,89 @@
+/* ASEPRITE
+ * Copyright (C) 2001-2012  David Capello
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include "config.h"
+
+#include "commands/command.h"
+
+#include "app.h"
+#include "widgets/tabs.h"
+
+class GotoNextTabCommand : public Command
+{
+public:
+  GotoNextTabCommand();
+  Command* clone() { return new GotoNextTabCommand(*this); }
+
+protected:
+  void onExecute(Context* context);
+};
+
+GotoNextTabCommand::GotoNextTabCommand()
+  : Command("GotoNextTab",
+            "Goto Next Tab",
+            CmdUIOnlyFlag)
+{
+}
+
+void GotoNextTabCommand::onExecute(Context* context)
+{
+  Tabs* tabs = app_get_tabsbar();
+  tabs->selectNextTab();
+}
+
+//////////////////////////////////////////////////////////////////////
+// goto_previous_tab
+
+class GotoPreviousTabCommand : public Command
+
+{
+public:
+  GotoPreviousTabCommand();
+  Command* clone() { return new GotoPreviousTabCommand(*this); }
+
+protected:
+  void onExecute(Context* context);
+};
+
+GotoPreviousTabCommand::GotoPreviousTabCommand()
+  : Command("GotoPreviousTab",
+            "Goto Previous tab",
+            CmdRecordableFlag)
+{
+}
+
+void GotoPreviousTabCommand::onExecute(Context* context)
+{
+  Tabs* tabs = app_get_tabsbar();
+  tabs->selectPreviousTab();
+
+  void* data = tabs->getSelectedTab();
+}
+
+//////////////////////////////////////////////////////////////////////
+// CommandFactory
+
+Command* CommandFactory::createGotoNextTabCommand()
+{
+  return new GotoNextTabCommand;
+}
+
+Command* CommandFactory::createGotoPreviousTabCommand()
+{
+  return new GotoPreviousTabCommand;
+}

src/commands/commands_list.h

@@ -56,6 +56,8 @@ FOR_EACH_COMMAND(GotoNextFrame)
 FOR_EACH_COMMAND(GotoNextLayer)
 FOR_EACH_COMMAND(GotoPreviousFrame)
 FOR_EACH_COMMAND(GotoPreviousLayer)
+FOR_EACH_COMMAND(GotoNextTab)
+FOR_EACH_COMMAND(GotoPreviousTab)
 FOR_EACH_COMMAND(GridSettings)
 FOR_EACH_COMMAND(ImportSpriteSheet)
 FOR_EACH_COMMAND(InvertColor)

src/widgets/tabs.cpp

@@ -96,7 +96,7 @@ Tabs::~Tabs()
   stopAni();
 
   // Remove all tabs
-  std::vector<Tab*>::iterator it, end = m_list_of_tabs.end();
+  TabsListIterator it, end = m_list_of_tabs.end();
   for (it = m_list_of_tabs.begin(); it != end; ++it)
     delete *it; // tab
   m_list_of_tabs.clear();
@@ -129,7 +129,7 @@ void Tabs::removeTab(void* data)
     if (m_hot == tab) m_hot = NULL;
     if (m_selected == tab) m_selected = NULL;
 
-    std::vector<Tab*>::iterator it =
+    TabsListIterator it =
       std::find(m_list_of_tabs.begin(), m_list_of_tabs.end(), tab);
 
     ASSERT(it != m_list_of_tabs.end() && "Removing a tab that is not part of the Tabs widget");
@@ -176,11 +176,47 @@ void Tabs::setTabText(const char* text, void* data)
 void Tabs::selectTab(void* data)
 {
   Tab *tab = getTabByData(data);
+  if (tab != NULL)
+    selectTabInternal(tab);
+}
 
-  if (tab != NULL) {
-    m_selected = tab;
-    makeTabVisible(tab);
-    invalidate();
+void Tabs::selectNextTab()
+{
+  TabsListIterator currentTabIt = getTabIteratorByData(m_selected->data);
+  TabsListIterator it = currentTabIt;
+  if (it != m_list_of_tabs.end()) {
+    // If we are at the end of the list, cycle to the first tab.
+    if (it == --m_list_of_tabs.end())
+      it = m_list_of_tabs.begin();
+    // Go to next tab.
+    else
+      ++it;
+
+    if (it != currentTabIt) {
+      selectTabInternal(*it);
+      if (m_delegate)
+        m_delegate->clickTab(this, m_selected->data, 1);
+    }
+  }
+}
+
+void Tabs::selectPreviousTab()
+{
+  TabsListIterator currentTabIt = getTabIteratorByData(m_selected->data);
+  TabsListIterator it = currentTabIt;
+  if (it != m_list_of_tabs.end()) {
+    // If we are at the beginning of the list, cycle to the last tab.
+    if (it == m_list_of_tabs.begin())
+      it = --m_list_of_tabs.end();
+    // Go to previous tab.
+    else
+      --it;
+
+    if (it != currentTabIt) {
+      selectTabInternal(*it);
+      if (m_delegate)
+        m_delegate->clickTab(this, m_selected->data, 1);
+    }
   }
 }
 
@@ -229,7 +265,7 @@ bool Tabs::onProcessMessage(Message* msg)
       box->x1 = box->x2;
 
       // For each tab...
-      std::vector<Tab*>::iterator it, end = m_list_of_tabs.end();
+      TabsListIterator it, end = m_list_of_tabs.end();
 
       for (it = m_list_of_tabs.begin(); it != end; ++it) {
         Tab* tab = *it;
@@ -390,7 +426,7 @@ bool Tabs::onProcessMessage(Message* msg)
         m_button_right->setBgColor(theme->get_tab_selected_face_color());
       }
       else if (msg->signal.num == JI_SIGNAL_SET_FONT) {
-        std::vector<Tab*>::iterator it, end = m_list_of_tabs.end();
+        TabsListIterator it, end = m_list_of_tabs.end();
 
         for (it = m_list_of_tabs.begin(); it != end; ++it) {
           Tab* tab = *it;
@@ -408,6 +444,13 @@ bool Tabs::onProcessMessage(Message* msg)
   return Widget::onProcessMessage(msg);
 }
 
+void Tabs::selectTabInternal(Tab* tab)
+{
+  m_selected = tab;
+  makeTabVisible(tab);
+  invalidate();
+}
+
 void Tabs::drawTab(BITMAP* bmp, JRect box, Tab* tab, int y_delta, bool selected)
 {
   // Is the tab outside the bounds of the widget?
@@ -461,22 +504,30 @@ void Tabs::drawTab(BITMAP* bmp, JRect box, Tab* tab, int y_delta, bool selected)
 #endif
 }
 
-Tabs::Tab* Tabs::getTabByData(void* data)
+Tabs::TabsListIterator Tabs::getTabIteratorByData(void* data)
 {
-  std::vector<Tab*>::iterator it, end = m_list_of_tabs.end();
+  TabsListIterator it, end = m_list_of_tabs.end();
 
   for (it = m_list_of_tabs.begin(); it != end; ++it) {
-    Tab* tab = *it;
-    if (tab->data == data)
-      return tab;
+    if ((*it)->data == data)
+      break;
   }
 
-  return NULL;
+  return it;
+}
+
+Tabs::Tab* Tabs::getTabByData(void* data)
+{
+  TabsListIterator it = getTabIteratorByData(data);
+  if (it != m_list_of_tabs.end())
+    return *it;
+  else
+    return NULL;
 }
 
 int Tabs::getMaxScrollX()
 {
-  std::vector<Tab*>::iterator it, end = m_list_of_tabs.end();
+  TabsListIterator it, end = m_list_of_tabs.end();
   int x = 0;
 
   for (it = m_list_of_tabs.begin(); it != end; ++it) {
@@ -496,7 +547,7 @@ void Tabs::makeTabVisible(Tab* make_visible_this_tab)
 {
   int x = 0;
   int extra_x = getMaxScrollX() > 0 ? ARROW_W*2: 0;
-  std::vector<Tab*>::iterator it, end = m_list_of_tabs.end();
+  TabsListIterator it, end = m_list_of_tabs.end();
 
   for (it = m_list_of_tabs.begin(); it != end; ++it) {
     Tab* tab = *it;
@@ -566,7 +617,7 @@ void Tabs::calculateHot()
   JRect rect = jwidget_get_rect(this);
   JRect box = jrect_new(rect->x1-m_scrollX, rect->y1, 0, rect->y2-1);
   Tab *hot = NULL;
-  std::vector<Tab*>::iterator it, end = m_list_of_tabs.end();
+  TabsListIterator it, end = m_list_of_tabs.end();
 
   // For each tab
   for (it = m_list_of_tabs.begin(); it != end; ++it) {

src/widgets/tabs.h

@@ -63,6 +63,9 @@ class Tabs : public Widget
     }
   };
 
+  typedef std::vector<Tab*> TabsList;
+  typedef TabsList::iterator TabsListIterator;
+
   enum Ani { ANI_NONE,
              ANI_ADDING_TAB,
              ANI_REMOVING_TAB,
@@ -79,6 +82,8 @@ public:
   void setTabText(const char* text, void* data);
 
   void selectTab(void* data);
+  void selectNextTab();
+  void selectPreviousTab();
   void* getSelectedTab();
 
   void startScrolling();
@@ -91,7 +96,9 @@ private:
   void startAni(Ani ani);
   void stopAni();
 
+  void selectTabInternal(Tab* tab);
   void drawTab(BITMAP* bmp, JRect box, Tab* tab, int y_delta, bool selected);
+  TabsListIterator getTabIteratorByData(void* data);
   Tab* getTabByData(void* data);
   int getMaxScrollX();
   void makeTabVisible(Tab* tab);
@@ -99,7 +106,7 @@ private:
   void calculateHot();
   int calcTabWidth(Tab* tab);
 
-  std::vector<Tab*> m_list_of_tabs;
+  TabsList m_list_of_tabs;
   Tab *m_hot;
   Tab *m_selected;
   int m_scrollX;