Initial implementation of the plugin framework

CMakeLists.txt

@@ -69,6 +69,12 @@ option(USE_EXTERNAL_SINGLEAPPLICATION "Use external QtSingleApplication library"
 option(USE_LAUNCHER_ABSOLUTE_PATH "Use absolute path for the desktop launcher" ON)
 option(USE_WAYLAND_CLIPBOARD "USE KF Gui Wayland Clipboard" OFF)
 option(DISABLE_UPDATE_CHECKER "Disable check for updates" OFF)
+option(USE_PLUGIN_MANAGER "Activate the Plugin Manager" OFF)
+option(USE_PRINTER_SUPPORT "Enable printer and PDF output support" OFF)
+
+if (USE_PLUGIN_MANAGER)
+    set(PLUGIN_DIRECTORY "app_plugins" CACHE PATH "Setting the Plugin Manager Plugin Directory")
+endif()
 if (DISABLE_UPDATE_CHECKER)
   add_compile_definitions(DISABLE_UPDATE_CHECKER)
 endif ()

data/graphics.qrc

@@ -99,5 +99,9 @@
         <file>img/material/black/image.svg</file>
         <file>img/material/white/apps.svg</file>
         <file>img/material/white/image.svg</file>
+        <file>img/material/black/content-print.svg</file>
+        <file>img/material/black/save-to-pdf.svg</file>
+        <file>img/material/white/content-print.svg</file>
+        <file>img/material/white/save-to-pdf.svg</file>
     </qresource>
 </RCC>

src/CMakeLists.txt

@@ -10,10 +10,19 @@
         DBus
         LinguistTools)
 
+if (USE_PRINTER_SUPPORT)
+    find_package(PrintSupport)
+endif()
+
 if (USE_WAYLAND_CLIPBOARD)
     find_package(KF5GuiAddons)
 endif()
 
+if (USE_PLUGIN_MANAGER)
+    find_package(yaml-cpp)
+endif()
+
+set(USE_PLUGIN_MANAGER ON)
 set(CMAKE_AUTOMOC ON)
 set(CMAKE_AUTORCC ON)
 set(CMAKE_AUTOUIC ON)
@@ -218,6 +227,10 @@
 
 )
 
+if (USE_PRINTER_SUPPORT)
+    target_link_libraries(flameshot Qt5::PrintSupport)
+endif()
+
 if (USE_WAYLAND_CLIPBOARD)
   if(!USE_WAYLAND_GRIM)
     message(WARNING "You activated the USE_WAYLAND_CLIPBOARD option, but did not activate the USE_WAYLAND_GRIM option. Flameshot will use the dbus protocol to support wayland. If you use wlroots-based wayland, it is recommended to enable USE_WAYLAND_GRIM")
@@ -230,6 +243,10 @@
     target_compile_definitions(flameshot PRIVATE USE_WAYLAND_GRIM=1)
 endif()
 
+if (USE_PRINTER_SUPPORT)
+    target_compile_definitions(flameshot PRIVATE USE_PRINTER_SUPPORT=1)
+endif()
+
 if (APPLE)
     set(MACOSX_BUNDLE_IDENTIFIER "org.flameshot")
     set_target_properties(
@@ -265,7 +282,7 @@
     endif ()
 
     if (NOT USE_OPENSSL)
         message(WARNING "OpenSSL is required to upload screenshots")
     endif ()
 endif ()
 
@@ -418,7 +435,7 @@
                         FILES_MATCHING
                         PATTERN "*.dll")
             else ()
                 message(WARNING "Unable to find OpenSSL dlls.")
             endif ()
         endif ()
 

src/core/CMakeLists.txt

@@ -3,6 +3,8 @@ target_sources(flameshot PRIVATE
     flameshotdaemon.h
     flameshotdbusadapter.h
     qguiappcurrentscreen.h
+    pluginmanager.h
+    corepluginInterface.h
 )
 
 target_sources(flameshot PRIVATE
@@ -11,6 +13,7 @@ target_sources(flameshot PRIVATE
     flameshotdaemon.cpp
     flameshotdbusadapter.cpp
     qguiappcurrentscreen.cpp
+    pluginmanager.cpp
 )
 
 IF (WIN32)

src/core/capturerequest.h

@@ -27,6 +27,8 @@ class CaptureRequest
         PIN = 16,
         UPLOAD = 32,
         ACCEPT_ON_SELECT = 64,
+        PRINT_SYSTEM = 128,
+        SAVE_TO_PDF = 256
     };
 
     CaptureRequest(CaptureMode mode,

src/core/corepluginInterface.h

@@ -0,0 +1,21 @@
+#ifndef COREPLUGININTERFACE_H
+#define COREPLUGININTERFACE_H
+
+#include <QtPlugin>
+
+class CorePluginInterface
+{
+public:
+    virtual ~CorePluginInterface() = 0;
+    virtual bool load(std::map<std::string, std::string>& PluginConfig) = 0;
+    virtual void unload() = 0;
+    virtual bool ImagePost(QPixmap& pixmap) = 0;
+    virtual bool ImageToPDFPost(QPixmap& pixmap) = 0;
+    virtual bool PrintPre(QPixmap& pixmap) = 0;
+};
+
+#define FlameshotPlugin_iid "FlameshotPlugin.CorePluginInterface"
+
+Q_DECLARE_INTERFACE(CorePluginInterface, FlameshotPlugin_iid)
+
+#endif // COREPLUGININTERFACE_H