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#include <gtk/gtk.h>
#include <sys/time.h>
#define LEN(x) ((sizeof(x)/sizeof(0[x])) / ((size_t)(!(sizeof(x) % sizeof(0[x])))))
static void aeGetTime(long *seconds, long *milliseconds)
{
struct timeval tv;
gettimeofday(&tv, NULL);
*seconds = tv.tv_sec;
*milliseconds = tv.tv_usec/1000;
}
GtkWidget *window;
GtkWidget *button;
GtkWidget *text_widget;
GtkTextBuffer *text_buffer;
GtkTextTag *tag;
char alphabet[] = "abcdefghijklmnopqrstuvwxyz_!?.";
char buf[1000000];
/* The current alphabetical letter. */
int current_letter = 0;
/* The current position in the buffer.
*
* FIXME: What to do if we run out of buffer space?. */
int current_position = 0;
/* Time the mouse was clicked (seconds) */
long pressed_time_sec = 0;
/* Time the mouse was clicked (milliseconds) */
long pressed_time_msec = 0;
/* Time the mouse was released (seconds) */
long released_time_sec = 0;
/* Time the mouse was released (milliseconds) */
long released_time_msec = 0;
static int pressed(GtkWidget *widget, gpointer data)
{
aeGetTime(&pressed_time_sec,&pressed_time_msec);
g_print("mouse pressed\n");
return TRUE;
}
static void write_buf(void)
{
GtkTextIter start, end;
text_buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text_widget));
sprintf(buf+current_position,"%c",alphabet[current_letter % LEN(alphabet)]);
gtk_text_buffer_set_text (text_buffer, buf, -1);
gtk_text_buffer_get_iter_at_offset (text_buffer, &start, strlen(buf)-1);
gtk_text_buffer_get_iter_at_offset (text_buffer, &end, strlen(buf));
gtk_text_buffer_apply_tag (text_buffer, tag, &start, &end);
}
static int released(GtkWidget *widget, gpointer data)
{
aeGetTime(&released_time_sec,&released_time_msec);
long long diff = (released_time_sec - pressed_time_sec)*1000 + (released_time_msec - pressed_time_msec);
if (diff > 10000) {
current_position = 0;
current_letter = 0;
} else if (diff > 500) {
if (alphabet[current_letter % LEN(alphabet)] == '_')
sprintf(buf+current_position," ");
else
sprintf(buf+current_position,"%c",alphabet[current_letter % LEN(alphabet)]);
current_position += 1;
if (current_position > LEN(buf) - 1) {
/* FIXME: better way to do this? */
current_position = 0;
}
current_letter = 0;
} else {
current_letter += 1;
}
write_buf();
g_print("mouse released\n");
return TRUE;
}
static void activate (GtkApplication *app, gpointer user_data)
{
GtkCssProvider *provider;
GtkStyleContext *context;
GtkGesture *gesture;
text_buffer = gtk_text_buffer_new(NULL);
gtk_text_buffer_set_text(text_buffer,"blah",4);
window = gtk_application_window_new(app);
gtk_window_set_title(GTK_WINDOW (window), "Window");
gtk_window_set_default_size(GTK_WINDOW (window), 200, 200);
gesture = gtk_gesture_click_new();
g_signal_connect(gesture, "pressed", G_CALLBACK (pressed), NULL);
g_signal_connect(gesture, "released", G_CALLBACK (released), NULL);
gtk_widget_add_controller(window, GTK_EVENT_CONTROLLER (gesture));
text_widget = gtk_text_view_new();
gtk_text_view_set_editable((GtkTextView *) text_widget, FALSE);
gtk_text_view_set_cursor_visible((GtkTextView *) text_widget, TRUE);
gtk_text_view_set_wrap_mode((GtkTextView *) text_widget, GTK_WRAP_CHAR);
gtk_widget_set_can_focus(text_widget, FALSE);
gtk_widget_set_can_target(text_widget, FALSE);
text_buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text_widget));
/* Change default font and color throughout the widget */
provider = gtk_css_provider_new ();
gtk_css_provider_load_from_data (provider,
"textview {"
" font: 144pt monospace;"
" color: black;"
"}",
-1);
context = gtk_widget_get_style_context (text_widget);
gtk_style_context_add_provider(context, GTK_STYLE_PROVIDER (provider), GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
/* Use a tag to change the color for just one part of the widget */
tag = gtk_text_buffer_create_tag(text_buffer, "red_foreground", "foreground", "red", NULL);
buf[0] = 'a';
buf[1] = '\0';
write_buf();
gtk_window_set_child(GTK_WINDOW (window), text_widget);
gtk_window_fullscreen(GTK_WINDOW(window));
gtk_window_present(GTK_WINDOW (window));
}
int main(int argc, char **argv)
{
GtkApplication *app;
int status;
app = gtk_application_new ("org.gtk.example", G_APPLICATION_FLAGS_NONE);
g_signal_connect (app, "activate", G_CALLBACK (activate), NULL);
status = g_application_run (G_APPLICATION (app), argc, argv);
g_object_unref (app);
return status;
}
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