From d956102647a5b53dab359290568c6caabd5f75e0 Mon Sep 17 00:00:00 2001
From: Yohann Ferreira <yohann_dot_ferreira_at_orange_dot_efer>
Date: Sat, 9 Jul 2011 15:32:05 +0200
Subject: Made the button icon only shown when the icon file is valid.

And falls back to the text based caption otherwise.
---
 src/gui/widgets/button.cpp | 13 +++++++------
 src/gui/widgets/button.h   |  2 +-
 src/gui/windowmenu.cpp     |  3 +--
 3 files changed, 9 insertions(+), 9 deletions(-)

(limited to 'src')

diff --git a/src/gui/widgets/button.cpp b/src/gui/widgets/button.cpp
index 6770c180..61ec28a2 100644
--- a/src/gui/widgets/button.cpp
+++ b/src/gui/widgets/button.cpp
@@ -83,7 +83,7 @@ Button::Button(const std::string &caption, const std::string &actionEventId,
     adjustSize();
 }
 
-void Button::setButtonIcon(const std::string& iconFile)
+bool Button::setButtonIcon(const std::string& iconFile)
 {
     // We clean up possible older references.
     if (mButtonIcon)
@@ -91,18 +91,18 @@ void Button::setButtonIcon(const std::string& iconFile)
 
     // If nothing relevant was set, we can quit now.
     if (iconFile.empty())
-        return;
+        return false;
 
     // Load the icon frames.
     Image *btnIcons = Theme::getImageFromTheme(iconFile);
     if (!btnIcons)
-        return;
+        return false;
 
     // Compute the sub images size.
-    int frameWidth = btnIcons->getWidth() / 4;
-    int frameHeight = btnIcons->getHeight();
+    const int frameWidth = btnIcons->getWidth() / 4;
+    const int frameHeight = btnIcons->getHeight();
 
-    if (btnIcons->getWidth() > 0 && btnIcons->getHeight() > 0)
+    if (frameWidth > 0 && frameHeight > 0)
     {
         mButtonIcon = new Image*[BUTTON_COUNT];
         for (int mode = 0; mode < BUTTON_COUNT; ++mode)
@@ -115,6 +115,7 @@ void Button::setButtonIcon(const std::string& iconFile)
     }
 
     btnIcons->decRef();
+    return (mButtonIcon);
 }
 
 void Button::removeButtonIcon()
diff --git a/src/gui/widgets/button.h b/src/gui/widgets/button.h
index 39b3eb75..7463d2ad 100644
--- a/src/gui/widgets/button.h
+++ b/src/gui/widgets/button.h
@@ -72,7 +72,7 @@ class Button : public gcn::Button
          * Standard, Highlighted, Pressed, and Disabled.
          * If the image is too short, the missing states won't be loaded.
          */
-        void setButtonIcon(const std::string& iconFile = std::string());
+        bool setButtonIcon(const std::string& iconFile = std::string());
 
         /**
          * Set the button popup text when hovering it for a few seconds.
diff --git a/src/gui/windowmenu.cpp b/src/gui/windowmenu.cpp
index a200427f..2595c819 100644
--- a/src/gui/windowmenu.cpp
+++ b/src/gui/windowmenu.cpp
@@ -160,10 +160,9 @@ void WindowMenu::addButton(const std::string& text, int &x, int &h,
                            const std::string& iconPath)
 {
     Button *btn = new Button("", text, this);
-    if (!iconPath.empty())
+    if (!iconPath.empty() && btn->setButtonIcon(iconPath))
     {
         btn->setButtonPopupText(gettext(text.c_str()));
-        btn->setButtonIcon(iconPath);
     }
     else
     {
-- 
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