ardour/libs/clearlooks-newer/support.c

288 lines
7.6 KiB
C

/* Clearlooks theme engine
* Copyright (C) 2005 Richard Stellingwerff.
* Copyright (C) 2007 Benjamin Berg <benjamin@sipsolutions.net>.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
*/
#include "support.h"
void clearlooks_treeview_get_header_index (GtkTreeView *tv, GtkWidget *header,
gint *column_index, gint *columns,
gboolean *resizable)
{
GList *list, *list_start;
*column_index = *columns = 0;
list_start = list = gtk_tree_view_get_columns (tv);
do
{
GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(list->data);
if ( column->button == header )
{
*column_index = *columns;
*resizable = column->resizable;
}
if ( column->visible )
(*columns)++;
} while ((list = g_list_next(list)));
g_list_free (list_start);
}
void clearlooks_clist_get_header_index (GtkCList *clist, GtkWidget *button,
gint *column_index, gint *columns)
{
int i;
*columns = clist->columns;
for (i=0; i<*columns; i++)
{
if (clist->column[i].button == button)
{
*column_index = i;
break;
}
}
}
void
clearlooks_get_parent_bg (const GtkWidget *widget, CairoColor *color)
{
GtkStateType state_type;
const GtkWidget *parent;
GdkColor *gcolor;
if (widget == NULL)
return;
parent = widget->parent;
while (parent && GTK_WIDGET_NO_WINDOW (parent) && !((GTK_IS_NOTEBOOK (parent)) || (GTK_IS_TOOLBAR (parent))))
parent = parent->parent;
if (parent == NULL)
return;
state_type = GTK_WIDGET_STATE (parent);
gcolor = &parent->style->bg[state_type];
ge_gdk_color_to_cairo (gcolor, color);
}
ClearlooksStepper
clearlooks_scrollbar_get_stepper (GtkWidget *widget,
GdkRectangle *stepper)
{
ClearlooksStepper value = CL_STEPPER_UNKNOWN;
GdkRectangle tmp;
GdkRectangle check_rectangle;
GtkOrientation orientation;
if (!GE_IS_RANGE (widget))
return CL_STEPPER_UNKNOWN;
check_rectangle.x = widget->allocation.x;
check_rectangle.y = widget->allocation.y;
check_rectangle.width = stepper->width;
check_rectangle.height = stepper->height;
orientation = GTK_RANGE (widget)->orientation;
if (widget->allocation.x == -1 && widget->allocation.y == -1)
return CL_STEPPER_UNKNOWN;
if (gdk_rectangle_intersect (stepper, &check_rectangle, &tmp))
value = CL_STEPPER_A;
if (value == CL_STEPPER_UNKNOWN) /* Haven't found a match */
{
if (orientation == GTK_ORIENTATION_HORIZONTAL)
check_rectangle.x = widget->allocation.x + stepper->width;
else
check_rectangle.y = widget->allocation.y + stepper->height;
if (gdk_rectangle_intersect (stepper, &check_rectangle, &tmp))
value = CL_STEPPER_B;
}
if (value == CL_STEPPER_UNKNOWN) /* Still haven't found a match */
{
if (orientation == GTK_ORIENTATION_HORIZONTAL)
check_rectangle.x = widget->allocation.x + widget->allocation.width - (stepper->width * 2);
else
check_rectangle.y = widget->allocation.y + widget->allocation.height - (stepper->height * 2);
if (gdk_rectangle_intersect (stepper, &check_rectangle, &tmp))
value = CL_STEPPER_C;
}
if (value == CL_STEPPER_UNKNOWN) /* STILL haven't found a match */
{
if (orientation == GTK_ORIENTATION_HORIZONTAL)
check_rectangle.x = widget->allocation.x + widget->allocation.width - stepper->width;
else
check_rectangle.y = widget->allocation.y + widget->allocation.height - stepper->height;
if (gdk_rectangle_intersect (stepper, &check_rectangle, &tmp))
value = CL_STEPPER_D;
}
return value;
}
ClearlooksStepper
clearlooks_scrollbar_visible_steppers (GtkWidget *widget)
{
ClearlooksStepper steppers = 0;
if (!GE_IS_RANGE (widget))
return 0;
if (GTK_RANGE (widget)->has_stepper_a)
steppers |= CL_STEPPER_A;
if (GTK_RANGE (widget)->has_stepper_b)
steppers |= CL_STEPPER_B;
if (GTK_RANGE (widget)->has_stepper_c)
steppers |= CL_STEPPER_C;
if (GTK_RANGE (widget)->has_stepper_d)
steppers |= CL_STEPPER_D;
return steppers;
}
ClearlooksJunction
clearlooks_scrollbar_get_junction (GtkWidget *widget)
{
GtkAdjustment *adj;
ClearlooksJunction junction = CL_JUNCTION_NONE;
if (!GE_IS_RANGE (widget))
return CL_JUNCTION_NONE;
adj = GTK_RANGE (widget)->adjustment;
if (adj->value <= adj->lower &&
(GTK_RANGE (widget)->has_stepper_a || GTK_RANGE (widget)->has_stepper_b))
{
junction |= CL_JUNCTION_BEGIN;
}
if (adj->value >= adj->upper - adj->page_size &&
(GTK_RANGE (widget)->has_stepper_c || GTK_RANGE (widget)->has_stepper_d))
{
junction |= CL_JUNCTION_END;
}
return junction;
}
void
clearlooks_set_toolbar_parameters (ToolbarParameters *toolbar, GtkWidget *widget, GdkWindow *window, gint x, gint y)
{
toolbar->topmost = FALSE;
if (x == 0 && y == 0) {
if (widget && widget->allocation.x == 0 && widget->allocation.y == 0)
{
if (widget->window == window && GE_IS_TOOLBAR (widget))
{
toolbar->topmost = TRUE;
}
}
}
}
void
clearlooks_get_notebook_tab_position (GtkWidget *widget,
gboolean *start,
gboolean *end)
{
/* default value */
*start = TRUE;
*end = FALSE;
if (GE_IS_NOTEBOOK (widget)) {
gboolean found_tabs = FALSE;
gint i, n_pages;
GtkNotebook *notebook = GTK_NOTEBOOK (widget);
/* got a notebook, so walk over all the tabs and decide based
* on that ...
* It works like this:
* - If there is any visible tab that is expanded, set both.
* - Set start/end if there is any visible tab that is at
* the start/end.
* - If one has the child_visibility set to false, arrows
* are present; so none
* The heuristic falls over if there is a notebook that just
* happens to fill up all the available space. ie. All tabs
* are left aligned, but it does not require scrolling.
* (a more complex heuristic could calculate the tabs width
* and add them all up) */
n_pages = gtk_notebook_get_n_pages (notebook);
for (i = 0; i < n_pages; i++) {
GtkWidget *tab_child;
GtkWidget *tab_label;
gboolean expand;
GtkPackType pack_type;
tab_child = gtk_notebook_get_nth_page (notebook, i);
/* Skip invisible tabs */
tab_label = gtk_notebook_get_tab_label (notebook, tab_child);
if (!tab_label || !GTK_WIDGET_VISIBLE (tab_label))
continue;
/* This is the same what the notebook does internally. */
if (tab_label && !gtk_widget_get_child_visible (tab_label)) {
/* One child is hidden because scroll arrows are present.
* So both corners are rounded. */
*start = FALSE;
*end = FALSE;
return;
}
gtk_notebook_query_tab_label_packing (notebook, tab_child,
&expand,
NULL, /* don't need fill */
&pack_type);
if (!found_tabs) {
found_tabs = TRUE;
*start = FALSE;
*end = FALSE;
}
if (expand) {
*start = TRUE;
*end = TRUE;
} else if (pack_type == GTK_PACK_START) {
*start = TRUE;
} else {
*end = TRUE;
}
}
}
}