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Update gtk4-test

This commit is contained in:
daleclack 2021-02-28 09:49:42 +08:00
parent 332c97d73c
commit 7240f93ad1
2 changed files with 18 additions and 8 deletions
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Gtk4/gtk4-test-3/bin/gtk4-test
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26
Gtk4/gtk4-test-3/src/main.cpp
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@ -2,19 +2,21 @@
#include <res/winpe.xpm> #include <res/winpe.xpm>
GtkWidget *background; GtkWidget *background;
GFile *file;
void set_background(GFile *file,int width,int height){ void set_background(GFile *file1,int width,int height){
const gchar *filename; const gchar *filename;
filename=g_file_get_path(file); filename=g_file_get_path(file1);
g_print("%s",filename); //g_print("%s",filename);
GdkPixbuf *pixbuf=gdk_pixbuf_new_from_file(filename,NULL); GdkPixbuf *pixbuf=gdk_pixbuf_new_from_file(filename,NULL);
GdkPixbuf *sized=gdk_pixbuf_scale_simple(pixbuf,width,height,GDK_INTERP_BILINEAR); GdkPixbuf *sized=gdk_pixbuf_scale_simple(pixbuf,width,height,GDK_INTERP_BILINEAR);
gtk_picture_set_pixbuf(GTK_PICTURE(background),sized); gtk_picture_set_pixbuf(GTK_PICTURE(background),sized);
g_object_unref(pixbuf);
g_object_unref(sized);
} }
void dialog_response(GtkWidget *widget,int response){ void dialog_response(GtkWidget *widget,int response){
//Handle file chooser response and set background //Handle file chooser response and set background
GFile *file;
const gchar *filename; const gchar *filename;
//g_print("%s\n",filename); //g_print("%s\n",filename);
if(response==GTK_RESPONSE_OK){ if(response==GTK_RESPONSE_OK){
@ -49,23 +51,25 @@ void default_background(int width,int height){
GdkPixbuf *pixbuf=gdk_pixbuf_new_from_xpm_data(winpe); GdkPixbuf *pixbuf=gdk_pixbuf_new_from_xpm_data(winpe);
GdkPixbuf *sized=gdk_pixbuf_scale_simple(pixbuf,width,height,GDK_INTERP_BILINEAR); GdkPixbuf *sized=gdk_pixbuf_scale_simple(pixbuf,width,height,GDK_INTERP_BILINEAR);
background=gtk_picture_new_for_pixbuf(sized); background=gtk_picture_new_for_pixbuf(sized);
g_object_unref(pixbuf);
g_object_unref(sized);
} }
/*
void image_resize(GtkWidget *widget,gpointer data){ void image_resize(GtkWidget *widget,gpointer data){
//Get resized width and height //Get resized width and height
int width,height; int width,height;
width=gtk_widget_get_allocated_width(widget); width=gtk_widget_get_allocated_width(widget);
height=gtk_widget_get_allocated_height(widget); height=gtk_widget_get_allocated_height(widget);
GFile *file=gtk_picture_get_file(GTK_PICTURE(background)); //GFile *file=gtk_picture_get_file(GTK_PICTURE(background));
if(file==NULL){ if(file==NULL){
//g_print("No File Selected"); g_print("No File Selected\n");
default_background(width,height); default_background(width,height);
}else{ }else{
g_print("File Selected\n");
set_background(file,width,height); set_background(file,width,height);
} }
} }
*/
static void gtkmain(GtkApplication *app,gpointer user_data){ static void gtkmain(GtkApplication *app,gpointer user_data){
GtkWidget *window,*overlay,*button,*header,*draw_area; GtkWidget *window,*overlay,*button,*header,*draw_area;
@ -85,6 +89,12 @@ static void gtkmain(GtkApplication *app,gpointer user_data){
default_background(640,360); default_background(640,360);
gtk_widget_set_size_request(background,640,360); gtk_widget_set_size_request(background,640,360);
gtk_overlay_set_child(GTK_OVERLAY(overlay),background); gtk_overlay_set_child(GTK_OVERLAY(overlay),background);
//GtkDrawingArea to handle resize event
/*
draw_area=gtk_drawing_area_new();
gtk_overlay_add_overlay(GTK_OVERLAY(overlay),draw_area);*/
//g_signal_connect(draw_area,"resize",G_CALLBACK(image_resize),NULL);
//g_signal_connect(background,"draw",G_CALLBACK(image_resize),NULL);
//GtkButton //GtkButton
button=gtk_button_new_with_label("Change Background"); button=gtk_button_new_with_label("Change Background");
//gtk_widget_set_size_request(button,200,50); //gtk_widget_set_size_request(button,200,50);