Update gtk79

Gtkmm3/gtk79_livetest/src/BackGround.cc

@@ -0,0 +1,82 @@
+#include "winpe.xpm"
+#include "BackGround.hh"
+#include "image_types.hh"
+
+BackGround::BackGround(Gtk::Window &parent,Gtk::Image *back)
+:btn_default("Use Default Background"),
+btn_set("Set Background From a File")
+{
+    //Initalize Dialog
+    set_default_size(300,100);
+    set_title("Change Background");
+    set_transient_for(parent);
+    add_button("Close",Gtk::RESPONSE_CLOSE);
+    background=back;
+
+    Gtk::Box * vbox=get_content_area();
+    vbox->pack_start(btn_default,Gtk::PACK_SHRINK);
+    btn_default.signal_clicked().connect(sigc::mem_fun(*this,&BackGround::default_background));
+    vbox->pack_start(btn_set,Gtk::PACK_SHRINK);
+    btn_set.signal_clicked().connect(sigc::mem_fun(*this,&BackGround::btnset_clicked));
+}
+
+void BackGround::btnset_clicked(){
+    Gtk::FileChooserDialog dialog1("Choose an image file",
+                                  Gtk::FILE_CHOOSER_ACTION_OPEN);
+    dialog1.set_transient_for(*this);
+
+    //Add reponse buttons
+    dialog1.add_button("_Cancel",Gtk::RESPONSE_CANCEL);
+    dialog1.add_button("_OK",Gtk::RESPONSE_OK);
+    
+    //Add filters
+    auto filter_image=Gtk::FileFilter::create();
+    filter_image->set_name("Image Files");
+
+    //Windows doesn't support mime type
+    if(mime_type_supported()){
+        filter_image->add_mime_type("image/*");
+    }else{
+        for(int i=0;supported_globs!=NULL && supported_globs[i]!=NULL ;i++){
+            filter_image->add_pattern(supported_globs[i]);
+        }
+    }
+
+    dialog1.add_filter(filter_image);
+
+    auto filter_any = Gtk::FileFilter::create();
+    filter_any->set_name("Any files");
+    filter_any->add_pattern("*");
+    dialog1.add_filter(filter_any);
+
+    //Show the dialog and wait for a user response:
+    int result = dialog1.run();
+
+    if(result==Gtk::RESPONSE_OK){
+        //Get the image file and set the image from the file
+        std::string filename;
+        filename=dialog1.get_filename();
+        Glib::RefPtr<Gdk::Pixbuf> pixbuf=Gdk::Pixbuf::create_from_file(filename);
+        Glib::RefPtr<Gdk::Pixbuf> sized=pixbuf->scale_simple(640,360,Gdk::INTERP_BILINEAR);
+        gtk_image_set_from_pixbuf(background->gobj(),sized->gobj());
+        //Free the memory
+        pixbuf.reset();
+        sized.reset();
+    }
+    filter_image.reset();
+    filter_any.reset();
+}
+
+void BackGround::default_background(){
+    //Background
+    Glib::RefPtr<Gdk::Pixbuf> pixbuf=Gdk::Pixbuf::create_from_xpm_data(winpe);
+    Glib::RefPtr<Gdk::Pixbuf> sized=pixbuf->scale_simple(640,360,Gdk::INTERP_BILINEAR);
+    gtk_image_set_from_pixbuf(background->gobj(),sized->gobj());
+    //Release Memory
+    pixbuf.reset();
+    sized.reset();
+}
+
+void BackGround::on_response(int response_id){
+    hide();
+}

Gtkmm3/gtk79_livetest/src/BackGround.hh

@@ -0,0 +1,19 @@
+#pragma once
+
+#include <gtkmm.h>
+
+class BackGround : public Gtk::Dialog
+{
+public:
+    BackGround(Gtk::Window &parent,Gtk::Image *back);
+    void default_background();
+protected:
+    void on_response(int response_id) override;
+private:
+    //Child widgets
+    Gtk::Button btn_default;
+    Gtk::Button btn_set;
+    Gtk::Image * background;
+    //Signal Handlers
+    void btnset_clicked();
+};

Gtkmm3/gtk79_livetest/src/MyWin.cc

@@ -1,8 +1,9 @@
 #include "MyWin.hh"
-#include "winpe.xpm"
+
 
 MyWin::MyWin()
-:btn_back("Change Background")
+:btn_back("Change Background"),
+back_dialog(*this,&back)
 {
     set_icon_name("org.gtk.daleclack");
     set_default_size(640,360);
@@ -14,53 +15,14 @@ MyWin::MyWin()
     btn_back.set_valign(Gtk::ALIGN_CENTER);
     btn_back.signal_clicked().connect(sigc::mem_fun(*this,&MyWin::btnback_clicked));
     overlay.add_overlay(btn_back);
-    //Background
+    //Set Default Background
-    Glib::RefPtr<Gdk::Pixbuf> pixbuf=Gdk::Pixbuf::create_from_xpm_data(winpe);
+    back_dialog.default_background();
-    Glib::RefPtr<Gdk::Pixbuf> sized=pixbuf->scale_simple(640,360,Gdk::INTERP_BILINEAR);
-    gtk_image_set_from_pixbuf(back.gobj(),sized->gobj());
-    //Release Memory
-    pixbuf.reset();
-    sized.reset();
     //Show all children
     show_all_children();
 }
 
 void MyWin::btnback_clicked(){
-    Gtk::FileChooserDialog dialog1("Choose an image file",
+   back_dialog.show_all();
-                                  Gtk::FILE_CHOOSER_ACTION_OPEN);
-    dialog1.set_transient_for(*this);
-
-    //Add reponse buttons
-    dialog1.add_button("_Cancel",Gtk::RESPONSE_CANCEL);
-    dialog1.add_button("_OK",Gtk::RESPONSE_OK);
-    
-    //Add filters
-    auto filter_image=Gtk::FileFilter::create();
-    filter_image->set_name("Image Files");
-    filter_image->add_mime_type("image/*");
-    dialog1.add_filter(filter_image);
-
-    auto filter_any = Gtk::FileFilter::create();
-    filter_any->set_name("Any files");
-    filter_any->add_pattern("*");
-    dialog1.add_filter(filter_any);
-
-    //Show the dialog and wait for a user response:
-    int result = dialog1.run();
-
-    if(result==Gtk::RESPONSE_OK){
-        //Get the image file and set the image from the file
-        std::string filename;
-        filename=dialog1.get_filename();
-        Glib::RefPtr<Gdk::Pixbuf> pixbuf=Gdk::Pixbuf::create_from_file(filename);
-        Glib::RefPtr<Gdk::Pixbuf> sized=pixbuf->scale_simple(640,360,Gdk::INTERP_BILINEAR);
-        gtk_image_set_from_pixbuf(back.gobj(),sized->gobj());
-        //Free the memory
-        pixbuf.reset();
-        sized.reset();
-    }
-    filter_image.reset();
-    filter_any.reset();
 }
 
 MyWin::~MyWin(){

Gtkmm3/gtk79_livetest/src/MyWin.hh

@@ -1,6 +1,7 @@
 #pragma once
 
 #include <gtkmm.h>
+#include "BackGround.hh"
 
 class MyWin : public Gtk::Window{
 public:
@@ -13,4 +14,5 @@ protected:
     Gtk::Overlay overlay;
     Gtk::Image back;
     Gtk::Button btn_back;
+    BackGround back_dialog;
 };

Gtkmm3/gtk79_livetest/src/image_types.hh

@@ -0,0 +1,36 @@
+//This File is some extensions of image
+//Note that this is the first edition,may needs improvement
+static const char * const supported_globs[]={
+    "*.bmp",
+    "*.cod",
+    "*.gif",
+    "*.ief",
+    "*.jpe",
+    "*.jpeg",
+    "*.jpg",
+    "*.jfif",
+    "*.svg",
+    "*.png",
+    "*.tif",
+    "*.tiff",
+    "*.ras",
+    "*.cmx",
+    "*.ico",
+    "*.pnm",
+    "*.pbm",
+    "*.pgm",
+    "*.ppm",
+    "*.rgb",
+    "*.xbm",
+    "*.xpm",
+    "*.xwd",
+    NULL
+};
+
+static inline bool mime_type_supported(){
+    #ifdef G_OS_WIN32
+        return false;
+    #else
+        return true;
+    #endif
+}