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我試圖將窗口標題與 按鍵上的窗口標籤交換。無效的UTF-8字符串
下面是我的代碼:
#include<gtk/gtk.h>
static gboolean key_press_event(GtkWidget*,GdkEvent*,gpointer);
int main(int argv, char* argc[])
{
GtkWidget *window,*label;
gtk_init(&argv,&argc);
window=gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_window_set_title(GTK_WINDOW(window),"Sajith");
gtk_widget_set_size_request(window,300,100);
label=gtk_label_new("Sam");
gtk_label_set_selectable(GTK_LABEL(label),TRUE);
gtk_container_add(GTK_CONTAINER(window),label);
g_signal_connect(G_OBJECT(window),"key_press_event",
G_CALLBACK(key_press_event),label);
gtk_widget_show_all(window);
gtk_main();
}
static gboolean key_press_event(GtkWidget* window, GdkEvent* event, gpointer label)
{
GtkWidget* newlabel;
newlabel=GTK_LABEL(label);
const gchar* wtitle=gtk_window_get_title(GTK_WINDOW(window));
gtk_window_set_title(GTK_WINDOW(window),gtk_label_get_text(GTK_LABEL(newlabel)));
gtk_label_set_text(GTK_LABEL(newlabel),wtitle);
/* I am not sure if I could pass wtitle here*/
return FALSE;
}
在執行窗口標題被成功交換,但標籤是沒有的。 另外,我在終端上收到以下警告。
(2p1:12005): Pango-WARNING **: Invalid UTF-8 string passed to pango_layout_set_text()
任何幫助表示讚賞。
謝謝,這解決了這個問題。 – sjsam