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hack buttons some more
This commit is contained in:
Matthew Allum
parent
64355c0e48
commit
246e6bdd5d
24
ChangeLog
24
ChangeLog
@ -1,3 +1,27 @@
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2005-04-29 mallum,,, <mallum@openedhand.com>
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* clutter/cltr-button.c: (cltr_button_new),
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(cltr_button_on_activate), (cltr_button_new_with_label),
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(cltr_button_show):
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* clutter/cltr-button.h:
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* clutter/cltr-label.c: (cltr_label_new), (cltr_label_paint):
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* clutter/cltr-private.h:
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* clutter/cltr-video.c: (cltr_video_play):
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* clutter/cltr-widget.c: (cltr_widget_new), (cltr_widget_abs_x),
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(cltr_widget_abs_y), (cltr_widget_abs_x2), (cltr_widget_abs_y2),
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(cltr_widget_width), (cltr_widget_height), (cltr_widget_show),
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(cltr_widget_focus), (cltr_widget_unfocus),
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(cltr_widget_set_focus_next), (cltr_widget_get_focus_next),
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(cltr_widget_show_all):
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* clutter/cltr-widget.h:
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* clutter/cltr-window.c: (cltr_window_new),
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(cltr_window_focus_widget):
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* clutter/cltr.h:
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* clutter/fonts.c: (draw_layout_on_pixbuf), (font_get_pixel_size):
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* examples/scratch.c: (main):
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Hack buttons some more
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2005-04-27 mallum,,, <mallum@openedhand.com>
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* clutter/Makefile.am:
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@ -3,12 +3,18 @@
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struct CltrButton
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{
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CltrWidget widget;
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char *label;
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Pixbuf *pixb;
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CltrWidget widget;
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CltrLabel *label;
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CltrButtonActivate activate_cb;
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void *activate_cb_data;
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CltrButtonState state; /* may be better in widget ? */
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};
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#define BUTTON_BORDER 1
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#define BUTTON_PAD 5
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static void
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cltr_button_show(CltrWidget *widget);
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@ -18,6 +24,12 @@ cltr_button_handle_xevent (CltrWidget *widget, XEvent *xev);
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static void
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cltr_button_paint(CltrWidget *widget);
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static void
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cltr_button_focus(CltrWidget *widget);
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static void
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cltr_button_unfocus(CltrWidget *widget);
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CltrWidget*
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cltr_button_new(int width, int height)
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@ -31,25 +43,44 @@ cltr_button_new(int width, int height)
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button->widget.show = cltr_button_show;
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button->widget.paint = cltr_button_paint;
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button->widget.focus_in = cltr_button_focus;
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button->widget.focus_out = cltr_button_unfocus;
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button->widget.xevent_handler = cltr_button_handle_xevent;
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return CLTR_WIDGET(button);
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}
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void
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cltr_button_on_activate(CltrButton *button,
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CltrButtonActivate callback,
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void *userdata)
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{
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button->activate_cb = callback;
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button->activate_cb_data = userdata;
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}
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CltrWidget*
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cltr_button_new_with_label(const char *label,
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CltrFont *font,
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PixbufPixel *col)
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{
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CltrButton *button = NULL;
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int label_width, label_height;
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if (font == NULL)
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{
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/* XXXX grab default font */
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}
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button = CLTR_BUTTON(cltr_button_new(-1, -1));
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button->label = CLTR_LABEL(cltr_label_new(label, font, col));
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button->widget.width = cltr_widget_width((CltrWidget*)button->label) + (2 * ( BUTTON_BORDER + BUTTON_PAD));
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button->widget.height = cltr_widget_height((CltrWidget*)button->label) + ( 2 * ( BUTTON_BORDER + BUTTON_PAD));
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CLTR_DBG("width: %i, height %i",
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cltr_widget_width((CltrWidget*)button->label),
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cltr_widget_height((CltrWidget*)button->label));
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cltr_widget_add_child(CLTR_WIDGET(button),
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CLTR_WIDGET(button->label),
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( BUTTON_BORDER + BUTTON_PAD),
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( BUTTON_BORDER + BUTTON_PAD));
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return CLTR_WIDGET(button);
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}
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@ -60,15 +91,160 @@ cltr_button_show(CltrWidget *widget)
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}
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static void
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cltr_button_focus(CltrWidget *widget)
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{
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CltrButton *button = CLTR_BUTTON(widget);
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if (button->state != CltrButtonStateFocused)
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{
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button->state = CltrButtonStateFocused;
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cltr_widget_queue_paint(widget);
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}
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}
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static void
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cltr_button_unfocus(CltrWidget *widget)
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{
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CltrButton *button = CLTR_BUTTON(widget);
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if (button->state != CltrButtonStateInactive)
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{
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button->state = CltrButtonStateInactive;
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cltr_widget_queue_paint(CLTR_WIDGET(button));
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}
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}
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static void
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cltr_button_handle_xkeyevent(CltrButton *button, XKeyEvent *xkeyev)
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{
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KeySym kc;
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CltrButtonState old_state;
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CltrWidget *next_focus = NULL;
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old_state = button->state;
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kc = XKeycodeToKeysym(xkeyev->display, xkeyev->keycode, 0);
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switch (kc)
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{
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case XK_Left:
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case XK_KP_Left:
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if (xkeyev->type != KeyPress)
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break;
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next_focus = cltr_widget_get_focus_next(CLTR_WIDGET(button), CLTR_WEST);
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break;
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case XK_Up:
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case XK_KP_Up:
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if (xkeyev->type != KeyPress)
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break;
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next_focus = cltr_widget_get_focus_next(CLTR_WIDGET(button), CLTR_NORTH);
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break;
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case XK_Right:
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case XK_KP_Right:
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if (xkeyev->type != KeyPress)
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break;
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next_focus = cltr_widget_get_focus_next(CLTR_WIDGET(button), CLTR_EAST);
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break;
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case XK_Down:
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case XK_KP_Down:
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if (xkeyev->type != KeyPress)
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break;
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next_focus = cltr_widget_get_focus_next(CLTR_WIDGET(button), CLTR_SOUTH);
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break;
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case XK_Return:
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if (xkeyev->type == KeyPress)
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{
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if (button->state != CltrButtonStateActive)
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button->state = CltrButtonStateActive;
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CLTR_DBG("press");
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if (button->activate_cb)
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button->activate_cb(CLTR_WIDGET(button), button->activate_cb_data);
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}
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else /* KeyRelease */
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{
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CLTR_DBG("release");
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if (button->state != CltrButtonStateFocused)
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button->state = CltrButtonStateFocused;
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/* What to do about key repeats ? */
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}
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break;
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default:
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/* ??? */
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}
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if (button->state != old_state)
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{
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CLTR_DBG("queueing paint");
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cltr_widget_queue_paint(CLTR_WIDGET(button));
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}
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if (next_focus)
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{
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/* Evil - need to centralise focus management */
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ClutterMainContext *ctx = CLTR_CONTEXT();
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cltr_window_focus_widget(ctx->window, next_focus);
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}
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}
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static gboolean
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cltr_button_handle_xevent (CltrWidget *widget, XEvent *xev)
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{
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CltrButton *button = CLTR_BUTTON(widget);
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switch (xev->type)
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{
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case KeyPress:
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case KeyRelease:
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CLTR_DBG("KeyPress");
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cltr_button_handle_xkeyevent(button, &xev->xkey);
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break;
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}
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}
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static void
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cltr_button_paint(CltrWidget *widget)
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{
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CltrButton *button = CLTR_BUTTON(widget);
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CLTR_MARK();
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glPushMatrix();
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glEnable(GL_BLEND);
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switch (button->state)
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{
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case CltrButtonStateFocused:
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glColor4f(1.0, 1.0, 0.0, 1.0);
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break;
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case CltrButtonStateActive:
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glColor4f(1.0, 0.0, 0.0, 1.0);
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break;
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default:
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glColor4f(1.0, 1.0, 1.0, 1.0);
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}
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cltr_glu_rounded_rect(widget->x,
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widget->y,
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widget->x + widget->width,
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widget->y + widget->height,
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widget->width/30,
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NULL);
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glDisable(GL_BLEND);
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glPopMatrix();
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}
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@ -5,10 +5,26 @@
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typedef struct CltrButton CltrButton;
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typedef enum CltrButtonState
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{
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CltrButtonStateDisabled,
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CltrButtonStateInactive,
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CltrButtonStateFocused,
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CltrButtonStateActive,
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}
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CltrButtonState;
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typedef void (*CltrButtonActivate) (CltrWidget *widget, void *userdata) ;
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#define CLTR_BUTTON(w) ((CltrButton*)(w))
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CltrWidget*
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cltr_button_new(int width, int height);
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void
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cltr_button_on_activate(CltrButton *button,
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CltrButtonActivate callback,
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void* userdata);
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#endif
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@ -36,21 +36,20 @@ cltr_label_new(const char *text,
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if (width && height)
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{
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PixbufPixel bg = { 0xff, 0x0, 0x0, 0xff };
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PixbufPixel bg = { 0xff, 0xff, 0xff, 0x00 };
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label->text = strdup(text);
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label->pixb = pixbuf_new(width, height);
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pixbuf_fill_rect(label->pixb, 0, 0, -1, -1, &bg);
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/*
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font_draw(font,
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label->pixb,
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label->text,
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0,
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0,
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col);
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*/
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label->texture = cltr_texture_new(label->pixb);
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}
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@ -106,6 +105,8 @@ cltr_label_paint(CltrWidget *widget)
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{
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CltrLabel *label = CLTR_LABEL(widget);
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CLTR_MARK();
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if (label->text)
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{
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glPushMatrix();
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@ -115,15 +116,13 @@ cltr_label_paint(CltrWidget *widget)
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glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
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glEnable(GL_BLEND);
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glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_BLEND);
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/* glColor4ub(100, 200, 50, 100); */
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/* glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_BLEND); */
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cltr_texture_render_to_gl_quad(label->texture,
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widget->x,
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widget->y,
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widget->x + widget->width ,
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widget->y + widget->height);
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cltr_widget_abs_x(widget),
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cltr_widget_abs_y(widget),
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cltr_widget_abs_x2(widget),
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cltr_widget_abs_y2(widget));
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glDisable(GL_BLEND);
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glDisable(GL_TEXTURE_2D);
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@ -32,11 +32,13 @@
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typedef void (*WidgetPaintMethod) (CltrWidget *widget ) ;
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typedef void (*WidgetShowMethod) (CltrWidget *widget ) ;
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typedef void (*WidgetDestroyMethod) (CltrWidget *widget) ;
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typedef void (*WidgetFocusMethod) (CltrWidget *widget) ;
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typedef void (*WidgetUnfocusMethod) (CltrWidget *widget) ;
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typedef gboolean (*WidgetXEventHandler) (CltrWidget *widget, XEvent *xev) ;
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struct CltrWidget
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{
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int type;
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int x,y,width,height;
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CltrWidget *parent;
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@ -44,11 +46,18 @@ struct CltrWidget
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GList *children;
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/* focus */
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CltrWidget *focus_next_north, *focus_next_south,
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*focus_next_west, *focus_next_east;
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/* methods */
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WidgetPaintMethod paint;
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WidgetShowMethod show;
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WidgetDestroyMethod destroy;
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WidgetFocusMethod focus_in;
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WidgetUnfocusMethod focus_out;
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WidgetXEventHandler xevent_handler;
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};
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@ -442,7 +442,7 @@ cltr_video_play(CltrVideo *video)
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GST_STATE_PLAYING) == GST_STATE_FAILURE)
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g_error ("Could not set state to PLAYING");
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g_timeout_add(FPS_TO_TIMEOUT(20), (GSourceFunc) cltr_video_idler, video);
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g_timeout_add(FPS_TO_TIMEOUT(30), (GSourceFunc) cltr_video_idler, video);
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}
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void
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@ -11,6 +11,46 @@ cltr_widget_new(void)
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return w;
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}
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int
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cltr_widget_abs_x(CltrWidget *widget)
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{
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int x = widget->x;
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/* XXX we really need to identify top level window
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* this assummes its positioned at 0,0 - but really
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* it could be anywhere and need to account for this.
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*/
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while ((widget = widget->parent) != NULL)
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x += widget->x;
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return x;
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}
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int
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cltr_widget_abs_y(CltrWidget *widget)
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{
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int y = widget->y;
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while ((widget = widget->parent) != NULL)
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y += widget->y;
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return y;
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}
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int
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cltr_widget_abs_x2(CltrWidget *widget)
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{
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return cltr_widget_abs_x(widget) + cltr_widget_width(widget);
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}
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int
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cltr_widget_abs_y2(CltrWidget *widget)
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{
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return cltr_widget_abs_y(widget) + cltr_widget_height(widget);
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}
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int
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cltr_widget_width(CltrWidget *widget)
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{
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@ -20,9 +60,10 @@ cltr_widget_width(CltrWidget *widget)
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int
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cltr_widget_height(CltrWidget *widget)
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{
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return widget->width;
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return widget->height;
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}
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void
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cltr_widget_show(CltrWidget *widget)
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{
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@ -34,6 +75,73 @@ cltr_widget_show(CltrWidget *widget)
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}
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}
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/* XXX Focus hacks;
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*
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* Should not call directly but via cltr_window_focus_widget()
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*
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* need to sort this out.
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*/
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void
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cltr_widget_focus(CltrWidget *widget)
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{
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if (widget->focus_in)
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{
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widget->focus_in(widget);
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}
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}
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void
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cltr_widget_unfocus(CltrWidget *widget)
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{
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if (widget->focus_out)
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{
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widget->focus_out(widget);
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}
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}
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void
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cltr_widget_set_focus_next(CltrWidget *widget,
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CltrWidget *widget_to_focus,
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CltrDirection direction)
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{
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switch (direction)
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{
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case CLTR_NORTH:
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widget->focus_next_north = widget_to_focus;
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break;
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case CLTR_SOUTH:
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widget->focus_next_south = widget_to_focus;
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break;
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case CLTR_EAST:
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widget->focus_next_east = widget_to_focus;
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break;
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case CLTR_WEST:
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widget->focus_next_west = widget_to_focus;
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break;
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}
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}
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CltrWidget*
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cltr_widget_get_focus_next(CltrWidget *widget,
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CltrDirection direction)
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{
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switch (direction)
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{
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case CLTR_NORTH:
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return widget->focus_next_north;
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case CLTR_SOUTH:
|
||||
return widget->focus_next_south;
|
||||
case CLTR_EAST:
|
||||
return widget->focus_next_east;
|
||||
case CLTR_WEST:
|
||||
return widget->focus_next_west;
|
||||
}
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
cltr_widget_show_all(CltrWidget *widget)
|
||||
{
|
||||
@ -46,6 +154,8 @@ cltr_widget_show_all(CltrWidget *widget)
|
||||
CltrWidget *child = CLTR_WIDGET(widget_item->data);
|
||||
|
||||
cltr_widget_show(child);
|
||||
|
||||
cltr_widget_show_all(child);
|
||||
}
|
||||
while ((widget_item = g_list_next(widget_item)) != NULL);
|
||||
}
|
||||
@ -56,11 +166,13 @@ cltr_widget_show_all(CltrWidget *widget)
|
||||
void
|
||||
cltr_widget_add_child(CltrWidget *widget, CltrWidget *child, int x, int y)
|
||||
{
|
||||
|
||||
widget->children = g_list_append(widget->children, child);
|
||||
|
||||
child->parent = widget;
|
||||
child->x = x;
|
||||
child->y = y;
|
||||
|
||||
}
|
||||
|
||||
|
||||
|
||||
@ -16,6 +16,37 @@ cltr_widget_width(CltrWidget *widget);
|
||||
int
|
||||
cltr_widget_height(CltrWidget *widget);
|
||||
|
||||
int
|
||||
cltr_widget_abs_x(CltrWidget *widget);
|
||||
|
||||
int
|
||||
cltr_widget_abs_y(CltrWidget *widget);
|
||||
|
||||
int
|
||||
cltr_widget_abs_x2(CltrWidget *widget);
|
||||
|
||||
int
|
||||
cltr_widget_abs_y2(CltrWidget *widget);
|
||||
|
||||
|
||||
/* These are hacky see notes in .c */
|
||||
void
|
||||
cltr_widget_focus(CltrWidget *widget);
|
||||
|
||||
void
|
||||
cltr_widget_unfocus(CltrWidget *widget);
|
||||
|
||||
/* ******************************* */
|
||||
|
||||
void
|
||||
cltr_widget_set_focus_next(CltrWidget *widget,
|
||||
CltrWidget *widget_to_focus,
|
||||
CltrDirection direction);
|
||||
|
||||
CltrWidget*
|
||||
cltr_widget_get_focus_next(CltrWidget *widget,
|
||||
CltrDirection direction);
|
||||
|
||||
void
|
||||
cltr_widget_show(CltrWidget *widget);
|
||||
|
||||
|
||||
@ -53,7 +53,7 @@ cltr_window_new(int width, int height)
|
||||
|
||||
XSelectInput(CltrCntx.xdpy, win->xwin,
|
||||
StructureNotifyMask|ExposureMask|
|
||||
KeyPressMask|PropertyChangeMask);
|
||||
KeyPressMask|KeyReleaseMask|PropertyChangeMask);
|
||||
|
||||
glXMakeCurrent(CltrCntx.xdpy, win->xwin, CltrCntx.gl_context);
|
||||
|
||||
@ -164,8 +164,12 @@ cltr_window_focus_widget(CltrWindow *win, CltrWidget *widget)
|
||||
|
||||
ClutterMainContext *ctx = CLTR_CONTEXT();
|
||||
|
||||
win->focused_child = widget;
|
||||
if (win->focused_child)
|
||||
cltr_widget_unfocus(win->focused_child);
|
||||
|
||||
cltr_widget_focus(widget);
|
||||
|
||||
win->focused_child = widget;
|
||||
}
|
||||
|
||||
|
||||
|
||||
@ -21,6 +21,7 @@
|
||||
#include "pixbuf.h"
|
||||
#include "fonts.h"
|
||||
|
||||
|
||||
typedef enum CltrDirection
|
||||
{
|
||||
CLTR_NORTH,
|
||||
|
||||
@ -119,9 +119,15 @@ draw_layout_on_pixbuf (PangoLayout *layout,
|
||||
int a = (*b * color->a + 0x80) >> 8;
|
||||
|
||||
/*
|
||||
this is wrong for when the backing has an
|
||||
alpha of zero. we need a different algorythm
|
||||
to handle that - so we can overlay just a font
|
||||
text texture with no bg
|
||||
|
||||
*/
|
||||
|
||||
if (!a)
|
||||
{ b++; continue; }
|
||||
*/
|
||||
|
||||
pixbuf_get_pixel (pixb, i, j, &pixel);
|
||||
|
||||
@ -134,7 +140,9 @@ draw_layout_on_pixbuf (PangoLayout *layout,
|
||||
tb1 = (255 - a) * pixel.b + 0x80;
|
||||
tb2 = a * color->b + 0x80;
|
||||
pixel.b = ((tb1 + (tb1 >> 8)) >> 8) + ((tb2 + (tb2 >> 8)) >> 8);
|
||||
|
||||
tb1 = (255 - a) * pixel.a + 0x80;
|
||||
tb2 = a * color->a + 0x80;
|
||||
pixel.a = ((tb1 + (tb1 >> 8)) >> 8) + ((tb2 + (tb2 >> 8)) >> 8);
|
||||
|
||||
pixbuf_set_pixel (pixb, i, j, &pixel);
|
||||
b++;
|
||||
@ -194,6 +202,8 @@ font_get_pixel_size (ClutterFont *font,
|
||||
|
||||
pango_layout_get_pixel_size (layout, width, height);
|
||||
|
||||
printf("gave width:%i, height %i\n", *width, *height);
|
||||
|
||||
g_object_unref(G_OBJECT(layout));
|
||||
}
|
||||
|
||||
|
||||
@ -12,6 +12,8 @@ main(int argc, char **argv)
|
||||
{
|
||||
int i;
|
||||
CltrWidget *win = NULL, *grid = NULL, *test = NULL, *test2 = NULL;
|
||||
CltrFont *font = NULL;
|
||||
PixbufPixel col = { 0xff, 0, 0, 0xff };
|
||||
|
||||
gchar *img_path = NULL;
|
||||
gboolean want_fullscreen = FALSE;
|
||||
@ -51,12 +53,22 @@ main(int argc, char **argv)
|
||||
if (want_fullscreen)
|
||||
cltr_window_set_fullscreen(CLTR_WINDOW(win));
|
||||
|
||||
font = font_new("Sans 20");
|
||||
|
||||
grid = cltr_photo_grid_new(800, 600, cols, cols, img_path);
|
||||
test = cltr_button_new_with_label("ButtonBoooo\ndsfdsfdsf sss\nsjhsjhsjhs", font, &col);
|
||||
|
||||
cltr_window_focus_widget(CLTR_WINDOW(win), grid);
|
||||
test2 = cltr_button_new_with_label("Button", font, &col);
|
||||
|
||||
cltr_widget_add_child(win, grid, 0, 0);
|
||||
cltr_widget_add_child(win, test, 300, 100);
|
||||
|
||||
cltr_widget_add_child(win, test2, 100, 100);
|
||||
|
||||
cltr_window_focus_widget(CLTR_WINDOW(win), test);
|
||||
|
||||
cltr_widget_set_focus_next(test, test2, CLTR_EAST);
|
||||
cltr_widget_set_focus_next(test, test2, CLTR_WEST);
|
||||
cltr_widget_set_focus_next(test2, test, CLTR_EAST);
|
||||
cltr_widget_set_focus_next(test2, test, CLTR_WEST);
|
||||
|
||||
|
||||
/*
|
||||
|
||||
Loading…
Reference in New Issue
Block a user