titler rework, some code cleanup and fixes

[goodguy/history.git] / cinelerra-5.1 / guicast / bcwindowbase.C

diff --git a/cinelerra-5.1/guicast/bcwindowbase.C b/cinelerra-5.1/guicast/bcwindowbase.C
index 75e37fb472633a6db03eb7a0d88293d39021a137..366fbca601cee86b68ce6b42c3126714d78fc014 100644 (file)
--- a/cinelerra-5.1/guicast/bcwindowbase.C
+++ b/cinelerra-5.1/guicast/bcwindowbase.C
@@ -117,6 +117,7 @@ BC_WindowBase::~BC_WindowBase()
 #ifndef SINGLE_THREAD
                top_level->dequeue_events(win);
 #endif
+               if(top_level->active_grab == this) top_level->active_grab = 0;
                if(top_level->active_menubar == this) top_level->active_menubar = 0;
                if(top_level->active_popup_menu == this) top_level->active_popup_menu = 0;
                if(top_level->active_subwindow == this) top_level->active_subwindow = 0;
@@ -284,6 +285,7 @@ int BC_WindowBase::initialize()
        event_win = 0;
        last_motion_win = 0;
        key_pressed = 0;
+       active_grab = 0;
        active_menubar = 0;
        active_popup_menu = 0;
        active_subwindow = 0;
@@ -955,7 +957,10 @@ locking_message = event->xclient.message_type;
 //   event_names[event->type] : "Unknown");
 //}
 
-
+       if( active_grab && active_grab->grab_event(event) ) {
+               unlock_window();
+               return 0;
+       }
 
 
        switch(event->type) {
@@ -2886,27 +2891,21 @@ int BC_WindowBase::get_text_width(int font, const char *text, int length)
 
 int BC_WindowBase::get_text_width(int font, const wchar_t *text, int length)
 {
-       int i, j, w = 0, line_w = 0;
+       int i, j, w = 0;
+       if( length < 0 ) length = wcslen(text);
 
-       if(length < 0) length = wcslen(text);
-
-       for(i = 0, j = 0; i <= length; i++)
-       {
-               line_w = 0;
-               if(text[i] == '\n')
-               {
-                       line_w = get_single_text_width(font, &text[j], i - j);
-                       j = i + 1;
+       for( i=j=0; i<length && text[i]; ++i ) {
+               if( text[i] != '\n' ) continue;
+               if( i > j ) {
+                       int lw = get_single_text_width(font, &text[j], i-j);
+                       if( w < lw ) w = lw;
                }
-               else
-               if(text[i] == 0)
-                       line_w = get_single_text_width(font, &text[j], length - j);
-
-               if(line_w > w) w = line_w;
+               j = i + 1;
+       }
+       if( j < length ) {
+               int lw = get_single_text_width(font, &text[j], length-j);
+               if( w < lw ) w = lw;
        }
-
-       if(i > length && w == 0)
-               w = get_single_text_width(font, text, length);
 
        return w;
 }
@@ -3306,6 +3305,19 @@ void BC_WindowBase::close(int return_value)
        set_done(return_value);
 }
 
+int BC_WindowBase::grab(BC_WindowBase *window)
+{
+       if( window->active_grab && this != window->active_grab ) return 0;
+       window->active_grab = this;
+       return 1;
+}
+int BC_WindowBase::ungrab(BC_WindowBase *window)
+{
+       if( window->active_grab && this != window->active_grab ) return 0;
+       window->active_grab = 0;
+       return 1;
+}
+
 int BC_WindowBase::get_w()
 {
        return w;
@@ -3696,6 +3708,26 @@ int BC_WindowBase::get_abs_cursor_y(int lock_window)
        return abs_y;
 }
 
+int BC_WindowBase::get_pop_cursor_x(int lock_window)
+{
+       int margin = 100;
+       int px = get_abs_cursor_x(lock_window);
+       if( px < margin ) px = margin;
+       int wd = get_screen_w(lock_window,-1) - margin;
+       if( px > wd ) px = wd;
+       return px;
+}
+
+int BC_WindowBase::get_pop_cursor_y(int lock_window)
+{
+       int margin = 100;
+       int py = get_abs_cursor_y(lock_window);
+       if( py < margin ) py = margin;
+       int ht = get_screen_h(lock_window,-1) - margin;
+       if( py > ht ) py = ht;
+       return py;
+}
+
 int BC_WindowBase::match_window(Window win)
 {
        if (this->win == win) return 1;