0001-Fix-8881-Add-color-drops-to-Backgrounds.patch on Ticket #8881 – Attachment – Haiku

src/kits/tracker/DeskWindow.cpp

From f2a95c67298238dc0a739a9758462ece03147954 Mon Sep 17 00:00:00 2001
From: Markus Himmel <markus@himmel-villmar.de>
Date: Tue, 30 Dec 2014 18:14:49 +0000
Subject: [PATCH] Fix #8881: Add color drops to Backgrounds

- The Backgrounds preferences app will now accept color drops.
- The Backgrounds app will update if a color drop to the desktop has changed its color due to a direct color drop
---
 src/kits/tracker/DeskWindow.cpp                 | 10 ++++++++++
 src/preferences/backgrounds/Backgrounds.cpp     | 12 ++++++++++++
 src/preferences/backgrounds/BackgroundsView.cpp | 13 +++++++++++++
 3 files changed, 35 insertions(+)

diff --git a/src/kits/tracker/DeskWindow.cpp b/src/kits/tracker/DeskWindow.cpp
index 94cb0b7..b101324 100644

                All rights reserved.
 #include <Debug.h>
 #include <FindDirectory.h>
 #include <Locale.h>
+#include <Messenger.h>
 #include <NodeMonitor.h>
 #include <Path.h>
 #include <PathFinder.h>
-…
+               BDeskWindow::MessageReceived(BMessage* message)
             BScreen(this).SetDesktopColor(*color);
             fPoseView->SetViewColor(*color);
             fPoseView->SetLowColor(*color);
+            // Notify the backgrounds app that the background changed
+            status_t initStatus;
+            BMessenger messenger = BMessenger(
+                "application/x-vnd.Haiku-Backgrounds", -1, &initStatus);
+            if (initStatus == B_OK) {
+                messenger.SendMessage(message);
+            }
             return;
+        }
+    }

src/preferences/backgrounds/Backgrounds.cpp

diff --git a/src/preferences/backgrounds/Backgrounds.cpp b/src/preferences/backgrounds/Backgrounds.cpp
index 4907bd1..20206a7 100644

                public:
                             BackgroundsWindow();
             void            RefsReceived(BMessage* message);
+            void            MessageReceived(BMessage* message);
 protected:
     virtual bool            QuitRequested();
-…
+               BackgroundsApplication::BackgroundsApplication()
 void
 BackgroundsApplication::MessageReceived(BMessage* message)
+{
+    if (message->WasDropped()) {
+        // This is the desktop telling us that it was changed by a color drop
+        BMessenger(fWindow).SendMessage(message);
+        return;
+    }
     switch (message->what) {
         case B_SILENT_RELAUNCH:
             fWindow->Activate();
-…
+               BackgroundsWindow::RefsReceived(BMessage* message)
     Activate();
+}
+void
+BackgroundsWindow::MessageReceived(BMessage* message)
+{
+    BMessenger(fBackgroundsView).SendMessage(message);
+}
 bool
 BackgroundsWindow::QuitRequested()

src/preferences/backgrounds/BackgroundsView.cpp

diff --git a/src/preferences/backgrounds/BackgroundsView.cpp b/src/preferences/backgrounds/BackgroundsView.cpp
index 3c1c1f2..f7d8827 100644

                BackgroundsView::AllAttached()
 void
 BackgroundsView::MessageReceived(BMessage* message)
+{
+    // Color drop
+    if (message->WasDropped()) {
+        rgb_color *clr;
+        ssize_t out_size;
+        if (message->FindData("RGBColor", B_RGB_COLOR_TYPE,
+            (const void **)&clr, &out_size) == B_OK) {
+            fPicker->SetValue(*clr);
+            _UpdatePreview();
+            _UpdateButtons();
+            return;
+        }
+    }
     switch (message->what) {
         case B_SIMPLE_DATA:
         case B_REFS_RECEIVED:

Context Navigation

Ticket #8881: 0001-Fix-8881-Add-color-drops-to-Backgrounds.patch

src/kits/tracker/DeskWindow.cpp

src/preferences/backgrounds/Backgrounds.cpp

src/preferences/backgrounds/BackgroundsView.cpp

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