这是我对 GTK 理解的延续::
从 Main 调用 pthread 下的 GTK_MAIN() 是否正确?示例代码::
从主我调用dispInit(argc, argv); 我从中调用g_thread_create(main_callback, NULL, FALSE, NULL);
** 我也没有在此代码中包含 g_idle_add ..这只是一个参考代码。
请指导
#include <stdio.h>
#include <glib.h>
#include <gtk/gtk.h>
//#include "dispimage.h"
#include <windows.h>
#define sleep(n) Sleep(1000 * n)
GtkWidget* window;
void dispInit(int argc, char* argv[]);
void dispInfoPage(char* fileName, int duration);
gpointer main_callback(gpointer data)
{
gtk_main();
return 0;
}
void dispInit(int argc, char* argv[])
{
gdk_threads_init();
gdk_threads_enter();
printf("Initializing the display library\n");
gtk_init(&argc, &argv);
window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_window_resize(GTK_WINDOW(window), 640, 480);
gtk_window_set_default_size(GTK_WINDOW(window), 640, 480);
gtk_widget_realize( window );
gtk_window_set_decorated(GTK_WINDOW(window), FALSE);
g_thread_create(main_callback, NULL, FALSE, NULL);
gdk_threads_leave();
}
void dispInfoPage(char* fileName, int duration)
{
int index;
gdk_threads_enter();
printf("Initializing dispInfoPage\n");
destroyWidget();
printf("Initializing dispInfoPage1\n");
GtkWidget *image;
image = gtk_image_new_from_file(fileName);
printf("Initializing dispInfoPage2\n");
gtk_container_add(GTK_CONTAINER(window), image);
gtk_widget_show(image);
gtk_widget_show(window);
printf("Initializing dispInfoPage4\n");
printf("Initializing dispInfoPage5\n");
gdk_threads_leave();
printf("Initializing dispInfoPage6\n");
}
void destroyWidget()
{
GList *children, *iter;
struct WidgetsAlive *temp, *prev, *next, *depTemp;
children = gtk_container_get_children(GTK_CONTAINER(window));
for(iter = children; iter != NULL; iter = g_list_next(iter)){
gtk_container_remove(GTK_CONTAINER(window),GTK_WIDGET(iter->data));
printf("Deleting Widget\n");
}
g_list_free(iter);
g_list_free(children);
}
int dispTextPage(char* fileName, int isJustifyCenter)
{
int index;
GtkWidget *textv;
GdkWindow *textv_window;
GdkPixmap *pixmap = NULL;
GtkTextBuffer *textBuffer;
gdk_threads_enter();
GdkColor color;
char debugBuf[128] = { '\0' };
char newfName[100]={'\0'};
char ext[4]={'\0'};
char temp[100]={'\0'};
int i;
FILE * fd;
destroyWidget();
textBuffer = gtk_text_buffer_new(NULL);
textv = gtk_text_view_new_with_buffer(textBuffer);
gtk_text_view_set_left_margin(GTK_TEXT_VIEW(textv), 22);
gtk_text_view_set_right_margin(GTK_TEXT_VIEW(textv), 20);
gtk_text_view_set_pixels_above_lines(GTK_TEXT_VIEW(textv),1);
gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(textv), GTK_WRAP_CHAR);
if (isJustifyCenter == 1)
{
gtk_text_view_set_justification(GTK_TEXT_VIEW(textv), GTK_JUSTIFY_CENTER);
}
else
{
gtk_text_view_set_justification(GTK_TEXT_VIEW(textv), GTK_JUSTIFY_LEFT);
}
gtk_text_view_set_editable(GTK_TEXT_VIEW(textv), FALSE);
gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(textv), FALSE);
printf("tttt0");
gtk_container_add(GTK_CONTAINER(window), textv);
printf("tttt1");
textv_window = gtk_text_view_get_window (GTK_TEXT_VIEW (textv),
GTK_TEXT_WINDOW_TEXT);
gdk_color_parse ("#68604d", &color);
pixmap = gdk_pixmap_create_from_xpm ((GdkDrawable *) textv_window, NULL,
&color, fileName);
gdk_window_set_back_pixmap (textv_window, pixmap, FALSE);
g_object_unref(pixmap);
textBuffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textv));
gtk_text_buffer_create_tag (textBuffer, "Red", "foreground", "Red", NULL);
gtk_text_buffer_create_tag (textBuffer, "RedBold","foreground", "Red",NULL);
gtk_text_buffer_create_tag(textBuffer, "gray_bg", "background", "gray", NULL);
gtk_text_buffer_create_tag(textBuffer, "italic", "style", PANGO_STYLE_ITALIC, NULL);
gtk_text_buffer_create_tag(textBuffer, "bold","weight", PANGO_WEIGHT_BOLD, NULL);
gtk_text_buffer_create_tag (textBuffer, "RedFontWeight", "weight", 1000,NULL);
gtk_text_buffer_create_tag (textBuffer, "RedBoldFontWeight","weight", 1000,NULL);
gtk_widget_show(textv);
gtk_widget_show(window);
gdk_threads_leave();
return index;
}
void *fsmThread_RunFunction()
{
int pollMsgRetVal = -1;
printf("Now enter into for image");
dispInfoPage("../images/givefp.gif",1);
sleep(5);
dispInfoPage("../images/bootup.gif",1);
sleep(5);
dispInfoPage("../images/givefp.gif",1);
sleep(5);
dispInfoPage("../images/bootup.gif",1);
sleep(5);
printf("Now enter into for disptext");
dispTextPage("",0);
printf("Now exit for disptext");
}
int main(int argc, char *argv[])
{
GThread *fsmThreadId;
GError *error = NULL;
g_thread_init(NULL);
dispInit(argc, argv);
dispInfoPage("../images/bootup.gif",1);
sleep(5);
printf("Now creat ethread ");
fsmThreadId = g_thread_create(fsmThread_RunFunction,NULL,TRUE,&error);
if (error) {
fflush(stderr);
exit(1);
}
g_thread_join(fsmThreadId);
sleep(2);
printf("ENd of main");
return 0;
}