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netsurf/gtk/sexy_icon_entry.c

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/*
* libsexy/sexy-icon-entry.c Entry widget
* Copyright (C) 2004-2006 Christian Hammond.
* modified for NetSurf
* Copyright 2009 Mark Benjamin <netsurf-browser.org.MarkBenjamin@dfgh.net>
*
* This file is part of NetSurf, http://www.netsurf-browser.org/
* This file before modifications was originally part of LibSexy,
* http://www.chipx86.com/; it is redistributed under GPLv2
*
* NetSurf is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* NetSurf 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>
* or write to the Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <string.h>
#include <gtk/gtk.h>
#include "gtk/sexy_icon_entry.h"
#include "gtk/compat.h"
#define ICON_MARGIN 2
#define MAX_ICONS 2
#define IS_VALID_ICON_ENTRY_POSITION(pos) \
((pos) == SEXY_ICON_ENTRY_PRIMARY || \
(pos) == SEXY_ICON_ENTRY_SECONDARY)
typedef struct
{
GtkImage *icon;
gboolean highlight;
gboolean hovered;
GdkWindow *window;
} SexyIconInfo;
struct _SexyIconEntryPriv
{
SexyIconInfo icons[MAX_ICONS];
gulong icon_released_id;
};
enum
{
ICON_PRESSED,
ICON_RELEASED,
LAST_SIGNAL
};
/* static void sexy_icon_entry_class_init(SexyIconEntryClass *klass); */
static void sexy_icon_entry_editable_init(GtkEditableClass *iface);
/* static void sexy_icon_entry_init(SexyIconEntry *entry); */
static void sexy_icon_entry_finalize(GObject *obj);
static void sexy_icon_entry_destroy(GtkObject *obj);
static void sexy_icon_entry_map(GtkWidget *widget);
static void sexy_icon_entry_unmap(GtkWidget *widget);
static void sexy_icon_entry_realize(GtkWidget *widget);
static void sexy_icon_entry_unrealize(GtkWidget *widget);
static void sexy_icon_entry_size_request(GtkWidget *widget,
GtkRequisition *requisition);
static void sexy_icon_entry_size_allocate(GtkWidget *widget,
GtkAllocation *allocation);
static gint sexy_icon_entry_expose(GtkWidget *widget, GdkEventExpose *event);
static gint sexy_icon_entry_enter_notify(GtkWidget *widget,
GdkEventCrossing *event);
static gint sexy_icon_entry_leave_notify(GtkWidget *widget,
GdkEventCrossing *event);
static gint sexy_icon_entry_button_press(GtkWidget *widget,
GdkEventButton *event);
static gint sexy_icon_entry_button_release(GtkWidget *widget,
GdkEventButton *event);
static GtkEntryClass *parent_class = NULL;
static guint signals[LAST_SIGNAL] = {0};
G_DEFINE_TYPE_EXTENDED(SexyIconEntry, sexy_icon_entry, GTK_TYPE_ENTRY,
0,
G_IMPLEMENT_INTERFACE(GTK_TYPE_EDITABLE,
sexy_icon_entry_editable_init));
void
sexy_icon_entry_class_init(SexyIconEntryClass *klass)
{
GObjectClass *gobject_class;
GtkObjectClass *object_class;
GtkWidgetClass *widget_class;
GtkEntryClass *entry_class;
parent_class = g_type_class_peek_parent(klass);
gobject_class = G_OBJECT_CLASS(klass);
object_class = GTK_OBJECT_CLASS(klass);
widget_class = GTK_WIDGET_CLASS(klass);
entry_class = GTK_ENTRY_CLASS(klass);
gobject_class->finalize = sexy_icon_entry_finalize;
object_class->destroy = sexy_icon_entry_destroy;
widget_class->map = sexy_icon_entry_map;
widget_class->unmap = sexy_icon_entry_unmap;
widget_class->realize = sexy_icon_entry_realize;
widget_class->unrealize = sexy_icon_entry_unrealize;
widget_class->size_request = sexy_icon_entry_size_request;
widget_class->size_allocate = sexy_icon_entry_size_allocate;
widget_class->expose_event = sexy_icon_entry_expose;
widget_class->enter_notify_event = sexy_icon_entry_enter_notify;
widget_class->leave_notify_event = sexy_icon_entry_leave_notify;
widget_class->button_press_event = sexy_icon_entry_button_press;
widget_class->button_release_event = sexy_icon_entry_button_release;
/**
* SexyIconEntry::icon-pressed:
* @entry: The entry on which the signal is emitted.
* @icon_pos: The position of the clicked icon.
* @button: The mouse button clicked.
*
* The ::icon-pressed signal is emitted when an icon is clicked.
*/
/* signal modified to compile directly in NetSurf - param 8 of
* g_signal_new() changed from marshal type to NULL - so there may
* well be no working signal */
signals[ICON_PRESSED] =
g_signal_new("icon_pressed",
G_TYPE_FROM_CLASS(gobject_class),
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
G_STRUCT_OFFSET(SexyIconEntryClass, icon_pressed),
NULL, NULL,
NULL,
G_TYPE_NONE, 2,
G_TYPE_INT,
G_TYPE_INT);
/**
* SexyIconEntry::icon-released:
* @entry: The entry on which the signal is emitted.
* @icon_pos: The position of the clicked icon.
* @button: The mouse button clicked.
*
* The ::icon-released signal is emitted on the button release from a
* mouse click.
*/
/* signal modified to compile directly in NetSurf - param 8 of
* g_signal_new() changed from marshal type to NULL - so there may
* well be no working signal */
signals[ICON_RELEASED] =
g_signal_new("icon_released",
G_TYPE_FROM_CLASS(gobject_class),
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
G_STRUCT_OFFSET(SexyIconEntryClass, icon_released),
NULL, NULL,
NULL,
G_TYPE_NONE, 2,
G_TYPE_INT,
G_TYPE_INT);
}
static void
sexy_icon_entry_editable_init(GtkEditableClass *iface)
{
};
void
sexy_icon_entry_init(SexyIconEntry *entry)
{
entry->priv = g_new0(SexyIconEntryPriv, 1);
}
static void
sexy_icon_entry_finalize(GObject *obj)
{
SexyIconEntry *entry;
g_return_if_fail(obj != NULL);
g_return_if_fail(SEXY_IS_ICON_ENTRY(obj));
entry = SEXY_ICON_ENTRY(obj);
g_free(entry->priv);
if (G_OBJECT_CLASS(parent_class)->finalize)
G_OBJECT_CLASS(parent_class)->finalize(obj);
}
static void
sexy_icon_entry_destroy(GtkObject *obj)
{
SexyIconEntry *entry;
entry = SEXY_ICON_ENTRY(obj);
sexy_icon_entry_set_icon(entry, SEXY_ICON_ENTRY_PRIMARY, NULL);
sexy_icon_entry_set_icon(entry, SEXY_ICON_ENTRY_SECONDARY, NULL);
if (GTK_OBJECT_CLASS(parent_class)->destroy)
GTK_OBJECT_CLASS(parent_class)->destroy(obj);
}
static void
sexy_icon_entry_map(GtkWidget *widget)
{
if (nsgtk_widget_get_realized(widget) && !nsgtk_widget_get_mapped(widget))
{
SexyIconEntry *entry = SEXY_ICON_ENTRY(widget);
int i;
GTK_WIDGET_CLASS(parent_class)->map(widget);
for (i = 0; i < MAX_ICONS; i++)
{
if (entry->priv->icons[i].icon != NULL)
gdk_window_show(entry->priv->icons[i].window);
}
}
}
static void
sexy_icon_entry_unmap(GtkWidget *widget)
{
if (nsgtk_widget_get_mapped(widget))
{
SexyIconEntry *entry = SEXY_ICON_ENTRY(widget);
int i;
for (i = 0; i < MAX_ICONS; i++)
{
if (entry->priv->icons[i].icon != NULL)
gdk_window_hide(entry->priv->icons[i].window);
}
GTK_WIDGET_CLASS(parent_class)->unmap(widget);
}
}
static gint
get_icon_width(SexyIconEntry *entry, SexyIconEntryPosition icon_pos)
{
GtkRequisition requisition;
gint menu_icon_width;
gint width;
SexyIconInfo *icon_info = &entry->priv->icons[icon_pos];
if (icon_info->icon == NULL)
return 0;
gtk_widget_size_request(GTK_WIDGET(icon_info->icon), &requisition);
gtk_icon_size_lookup(GTK_ICON_SIZE_MENU, &menu_icon_width, NULL);
width = MAX(requisition.width, menu_icon_width);
return width;
}
static void
get_borders(SexyIconEntry *entry, gint *xborder, gint *yborder)
{
GtkWidget *widget = GTK_WIDGET(entry);
gint focus_width;
gboolean interior_focus;
gtk_widget_style_get(widget,
"interior-focus", &interior_focus,
"focus-line-width", &focus_width,
NULL);
if (gtk_entry_get_has_frame(GTK_ENTRY(entry)))
{
*xborder = widget->style->xthickness;
*yborder = widget->style->ythickness;
}
else
{
*xborder = 0;
*yborder = 0;
}
if (!interior_focus)
{
*xborder += focus_width;
*yborder += focus_width;
}
}
static void
get_text_area_size(SexyIconEntry *entry, GtkAllocation *alloc)
{
GtkWidget *widget = GTK_WIDGET(entry);
GtkRequisition requisition;
gint xborder, yborder;
gtk_widget_get_child_requisition(widget, &requisition);
get_borders(entry, &xborder, &yborder);
alloc->x = xborder;
alloc->y = yborder;
alloc->width = widget->allocation.width - xborder * 2;
alloc->height = requisition.height - yborder * 2;
}
static void
get_icon_allocation(SexyIconEntry *icon_entry,
gboolean left,
GtkAllocation *widget_alloc,
GtkAllocation *text_area_alloc,
GtkAllocation *allocation,
SexyIconEntryPosition *icon_pos)
{
gboolean rtl;
rtl = (gtk_widget_get_direction(GTK_WIDGET(icon_entry)) ==
GTK_TEXT_DIR_RTL);
if (left)
*icon_pos = (rtl ? SEXY_ICON_ENTRY_SECONDARY : SEXY_ICON_ENTRY_PRIMARY);
else
*icon_pos = (rtl ? SEXY_ICON_ENTRY_PRIMARY : SEXY_ICON_ENTRY_SECONDARY);
allocation->y = text_area_alloc->y;
allocation->width = get_icon_width(icon_entry, *icon_pos);
allocation->height = text_area_alloc->height;
if (left)
allocation->x = text_area_alloc->x + ICON_MARGIN;
else
{
allocation->x = text_area_alloc->x + text_area_alloc->width -
allocation->width - ICON_MARGIN;
}
}
static void
sexy_icon_entry_realize(GtkWidget *widget)
{
SexyIconEntry *entry = SEXY_ICON_ENTRY(widget);
GdkWindowAttr attributes;
gint attributes_mask;
int i;
GTK_WIDGET_CLASS(parent_class)->realize(widget);
attributes.x = 0;
attributes.y = 0;
attributes.width = 1;
attributes.height = 1;
attributes.window_type = GDK_WINDOW_CHILD;
attributes.wclass = GDK_INPUT_OUTPUT;
attributes.visual = gtk_widget_get_visual(widget);
attributes.colormap = gtk_widget_get_colormap(widget);
attributes.event_mask = gtk_widget_get_events(widget);
attributes.event_mask |=
(GDK_EXPOSURE_MASK
| GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK
| GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK);
attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
for (i = 0; i < MAX_ICONS; i++)
{
SexyIconInfo *icon_info;
icon_info = &entry->priv->icons[i];
icon_info->window = gdk_window_new(widget->window, &attributes,
attributes_mask);
gdk_window_set_user_data(icon_info->window, widget);
gdk_window_set_background(icon_info->window,
&widget->style->base[nsgtk_widget_get_state(widget)]);
}
gtk_widget_queue_resize(widget);
}
static void
sexy_icon_entry_unrealize(GtkWidget *widget)
{
SexyIconEntry *entry = SEXY_ICON_ENTRY(widget);
int i;
GTK_WIDGET_CLASS(parent_class)->unrealize(widget);
for (i = 0; i < MAX_ICONS; i++)
{
SexyIconInfo *icon_info = &entry->priv->icons[i];
gdk_window_destroy(icon_info->window);
icon_info->window = NULL;
}
}
static void
sexy_icon_entry_size_request(GtkWidget *widget, GtkRequisition *requisition)
{
GtkEntry *gtkentry;
SexyIconEntry *entry;
gint icon_widths = 0;
int i;
gtkentry = GTK_ENTRY(widget);
entry = SEXY_ICON_ENTRY(widget);
for (i = 0; i < MAX_ICONS; i++)
{
int icon_width = get_icon_width(entry, i);
if (icon_width > 0)
icon_widths += icon_width + ICON_MARGIN;
}
GTK_WIDGET_CLASS(parent_class)->size_request(widget, requisition);
if (icon_widths > requisition->width)
requisition->width += icon_widths;
}
static void
place_windows(SexyIconEntry *icon_entry, GtkAllocation *widget_alloc)
{
SexyIconEntryPosition left_icon_pos;
SexyIconEntryPosition right_icon_pos;
GtkAllocation left_icon_alloc;
GtkAllocation right_icon_alloc;
GtkAllocation text_area_alloc;
get_text_area_size(icon_entry, &text_area_alloc);
get_icon_allocation(icon_entry, TRUE, widget_alloc, &text_area_alloc,
&left_icon_alloc, &left_icon_pos);
get_icon_allocation(icon_entry, FALSE, widget_alloc, &text_area_alloc,
&right_icon_alloc, &right_icon_pos);
if (left_icon_alloc.width > 0)
{
text_area_alloc.x = left_icon_alloc.x + left_icon_alloc.width +
ICON_MARGIN;
}
if (right_icon_alloc.width > 0)
text_area_alloc.width -= right_icon_alloc.width + ICON_MARGIN;
text_area_alloc.width -= text_area_alloc.x;
gdk_window_move_resize(icon_entry->priv->icons[left_icon_pos].window,
left_icon_alloc.x, left_icon_alloc.y,
left_icon_alloc.width, left_icon_alloc.height);
gdk_window_move_resize(icon_entry->priv->icons[right_icon_pos].window,
right_icon_alloc.x, right_icon_alloc.y,
right_icon_alloc.width, right_icon_alloc.height);
gdk_window_move_resize(GTK_ENTRY(icon_entry)->text_area,
text_area_alloc.x, text_area_alloc.y,
text_area_alloc.width, text_area_alloc.height);
}
static void
sexy_icon_entry_size_allocate(GtkWidget *widget, GtkAllocation *allocation)
{
g_return_if_fail(SEXY_IS_ICON_ENTRY(widget));
g_return_if_fail(allocation != NULL);
widget->allocation = *allocation;
GTK_WIDGET_CLASS(parent_class)->size_allocate(widget, allocation);
if (nsgtk_widget_get_realized(widget))
place_windows(SEXY_ICON_ENTRY(widget), allocation);
}
static GdkPixbuf *
get_pixbuf_from_icon(SexyIconEntry *entry, SexyIconEntryPosition icon_pos)
{
GdkPixbuf *pixbuf = NULL;
gchar *stock_id;
SexyIconInfo *icon_info = &entry->priv->icons[icon_pos];
GtkIconSize size;
switch (gtk_image_get_storage_type(GTK_IMAGE(icon_info->icon)))
{
case GTK_IMAGE_PIXBUF:
pixbuf = gtk_image_get_pixbuf(GTK_IMAGE(icon_info->icon));
g_object_ref(pixbuf);
break;
case GTK_IMAGE_STOCK:
gtk_image_get_stock(GTK_IMAGE(icon_info->icon), &stock_id, &size);
pixbuf = gtk_widget_render_icon(GTK_WIDGET(entry),
stock_id, size, NULL);
break;
default:
return NULL;
}
return pixbuf;
}
/* Kudos to the gnome-panel guys. */
static void
colorshift_pixbuf(GdkPixbuf *dest, GdkPixbuf *src, int shift)
{
gint i, j;
gint width, height, has_alpha, src_rowstride, dest_rowstride;
guchar *target_pixels;
guchar *original_pixels;
guchar *pix_src;
guchar *pix_dest;
int val;
guchar r, g, b;
has_alpha = gdk_pixbuf_get_has_alpha(src);
width = gdk_pixbuf_get_width(src);
height = gdk_pixbuf_get_height(src);
src_rowstride = gdk_pixbuf_get_rowstride(src);
dest_rowstride = gdk_pixbuf_get_rowstride(dest);
original_pixels = gdk_pixbuf_get_pixels(src);
target_pixels = gdk_pixbuf_get_pixels(dest);
for (i = 0; i < height; i++)
{
pix_dest = target_pixels + i * dest_rowstride;
pix_src = original_pixels + i * src_rowstride;
for (j = 0; j < width; j++)
{
r = *(pix_src++);
g = *(pix_src++);
b = *(pix_src++);
val = r + shift;
*(pix_dest++) = CLAMP(val, 0, 255);
val = g + shift;
*(pix_dest++) = CLAMP(val, 0, 255);
val = b + shift;
*(pix_dest++) = CLAMP(val, 0, 255);
if (has_alpha)
*(pix_dest++) = *(pix_src++);
}
}
}
static void
draw_icon(GtkWidget *widget, SexyIconEntryPosition icon_pos)
{
SexyIconEntry *entry = SEXY_ICON_ENTRY(widget);
SexyIconInfo *icon_info = &entry->priv->icons[icon_pos];
GdkPixbuf *pixbuf;
gint x, y, width, height;
if (icon_info->icon == NULL || !nsgtk_widget_get_realized(widget))
return;
if ((pixbuf = get_pixbuf_from_icon(entry, icon_pos)) == NULL)
return;
gdk_drawable_get_size(icon_info->window, &width, &height);
if (width == 1 || height == 1)
{
/*
* size_allocate hasn't been called yet. These are the default values.
*/
return;
}
if (gdk_pixbuf_get_height(pixbuf) > height)
{
GdkPixbuf *temp_pixbuf;
int scale;
scale = height - (2 * ICON_MARGIN);
temp_pixbuf = gdk_pixbuf_scale_simple(pixbuf, scale, scale,
GDK_INTERP_BILINEAR);
g_object_unref(pixbuf);
pixbuf = temp_pixbuf;
}
x = (width - gdk_pixbuf_get_width(pixbuf)) / 2;
y = (height - gdk_pixbuf_get_height(pixbuf)) / 2;
if (icon_info->hovered)
{
GdkPixbuf *temp_pixbuf;
temp_pixbuf = gdk_pixbuf_copy(pixbuf);
colorshift_pixbuf(temp_pixbuf, pixbuf, 30);
g_object_unref(pixbuf);
pixbuf = temp_pixbuf;
}
gdk_draw_pixbuf(icon_info->window, widget->style->black_gc, pixbuf,
0, 0, x, y, -1, -1,
GDK_RGB_DITHER_NORMAL, 0, 0);
g_object_unref(pixbuf);
}
static gint
sexy_icon_entry_expose(GtkWidget *widget, GdkEventExpose *event)
{
SexyIconEntry *entry;
g_return_val_if_fail(SEXY_IS_ICON_ENTRY(widget), FALSE);
g_return_val_if_fail(event != NULL, FALSE);
entry = SEXY_ICON_ENTRY(widget);
if (nsgtk_widget_is_drawable(widget))
{
gboolean found = FALSE;
int i;
for (i = 0; i < MAX_ICONS && !found; i++)
{
SexyIconInfo *icon_info = &entry->priv->icons[i];
if (event->window == icon_info->window)
{
gint width;
GtkAllocation text_area_alloc;
get_text_area_size(entry, &text_area_alloc);
gdk_drawable_get_size(icon_info->window, &width, NULL);
gtk_paint_flat_box(widget->style, icon_info->window,
nsgtk_widget_get_state(widget), GTK_SHADOW_NONE,
NULL, widget, "entry_bg",
0, 0, width, text_area_alloc.height);
draw_icon(widget, i);
found = TRUE;
}
}
if (!found)
GTK_WIDGET_CLASS(parent_class)->expose_event(widget, event);
}
return FALSE;
}
static void
update_icon(GObject *obj, GParamSpec *param, SexyIconEntry *entry)
{
if (param != NULL)
{
const char *name = g_param_spec_get_name(param);
if (strcmp(name, "pixbuf") && strcmp(name, "stock") &&
strcmp(name, "image") && strcmp(name, "pixmap") &&
strcmp(name, "icon_set") && strcmp(name, "pixbuf_animation"))
{
return;
}
}
gtk_widget_queue_resize(GTK_WIDGET(entry));
}
static gint
sexy_icon_entry_enter_notify(GtkWidget *widget, GdkEventCrossing *event)
{
SexyIconEntry *entry = SEXY_ICON_ENTRY(widget);
int i;
for (i = 0; i < MAX_ICONS; i++)
{
if (event->window == entry->priv->icons[i].window)
{
if (sexy_icon_entry_get_icon_highlight(entry, i))
{
entry->priv->icons[i].hovered = TRUE;
update_icon(NULL, NULL, entry);
break;
}
}
}
return FALSE;
}
static gint
sexy_icon_entry_leave_notify(GtkWidget *widget, GdkEventCrossing *event)
{
SexyIconEntry *entry = SEXY_ICON_ENTRY(widget);
int i;
for (i = 0; i < MAX_ICONS; i++)
{
if (event->window == entry->priv->icons[i].window)
{
if (sexy_icon_entry_get_icon_highlight(entry, i))
{
entry->priv->icons[i].hovered = FALSE;
update_icon(NULL, NULL, entry);
break;
}
}
}
return FALSE;
}
static gint
sexy_icon_entry_button_press(GtkWidget *widget, GdkEventButton *event)
{
SexyIconEntry *entry = SEXY_ICON_ENTRY(widget);
int i;
for (i = 0; i < MAX_ICONS; i++)
{
if (event->window == entry->priv->icons[i].window)
{
if (event->button == 1 &&
sexy_icon_entry_get_icon_highlight(entry, i))
{
entry->priv->icons[i].hovered = FALSE;
update_icon(NULL, NULL, entry);
}
g_signal_emit(entry, signals[ICON_PRESSED], 0, i, event->button);
return TRUE;
}
}
if (GTK_WIDGET_CLASS(parent_class)->button_press_event)
return GTK_WIDGET_CLASS(parent_class)->button_press_event(widget,
event);
return FALSE;
}
static gint
sexy_icon_entry_button_release(GtkWidget *widget, GdkEventButton *event)
{
SexyIconEntry *entry = SEXY_ICON_ENTRY(widget);
int i;
for (i = 0; i < MAX_ICONS; i++)
{
GdkWindow *icon_window = entry->priv->icons[i].window;
if (event->window == icon_window)
{
int width, height;
gdk_drawable_get_size(icon_window, &width, &height);
if (event->button == 1 &&
sexy_icon_entry_get_icon_highlight(entry, i) &&
event->x >= 0 && event->y >= 0 &&
event->x <= width && event->y <= height)
{
entry->priv->icons[i].hovered = TRUE;
update_icon(NULL, NULL, entry);
}
g_signal_emit(entry, signals[ICON_RELEASED], 0, i, event->button);
return TRUE;
}
}
if (GTK_WIDGET_CLASS(parent_class)->button_release_event)
return GTK_WIDGET_CLASS(parent_class)->button_release_event(widget,
event);
return FALSE;
}
/**
* sexy_icon_entry_new
*
* Creates a new SexyIconEntry widget.
*
* Returns a new #SexyIconEntry.
*/
GtkWidget *
sexy_icon_entry_new(void)
{
return GTK_WIDGET(g_object_new(SEXY_TYPE_ICON_ENTRY, NULL));
}
/**
* sexy_icon_entry_set_icon
* @param entry A #SexyIconEntry.
* @param position Icon position.
* @param icon A #GtkImage to set as the icon.
*
* Sets the icon shown in the entry
*/
void
sexy_icon_entry_set_icon(SexyIconEntry *entry, SexyIconEntryPosition icon_pos,
GtkImage *icon)
{
SexyIconInfo *icon_info;
g_return_if_fail(entry != NULL);
g_return_if_fail(SEXY_IS_ICON_ENTRY(entry));
g_return_if_fail(IS_VALID_ICON_ENTRY_POSITION(icon_pos));
g_return_if_fail(icon == NULL || GTK_IS_IMAGE(icon));
icon_info = &entry->priv->icons[icon_pos];
if (icon == icon_info->icon)
return;
if (icon_pos == SEXY_ICON_ENTRY_SECONDARY &&
entry->priv->icon_released_id != 0)
{
g_signal_handler_disconnect(entry, entry->priv->icon_released_id);
entry->priv->icon_released_id = 0;
}
if (icon == NULL)
{
if (icon_info->icon != NULL)
{
gtk_widget_destroy(GTK_WIDGET(icon_info->icon));
icon_info->icon = NULL;
/*
* Explicitly check, as the pointer may become invalidated
* during destruction.
*/
if (icon_info->window != NULL && GDK_IS_WINDOW(icon_info->window))
gdk_window_hide(icon_info->window);
}
}
else
{
if (icon_info->window != NULL && icon_info->icon == NULL)
gdk_window_show(icon_info->window);
g_signal_connect(G_OBJECT(icon), "notify",
G_CALLBACK(update_icon), entry);
icon_info->icon = icon;
g_object_ref(icon);
}
update_icon(NULL, NULL, entry);
}
/**
* sexy_icon_entry_set_icon_highlight
* @param entry A #SexyIconEntry;
* @param position Icon position.
* @param highlight TRUE if the icon should highlight on mouse-over
*
* Determines whether the icon will highlight on mouse-over.
*/
void
sexy_icon_entry_set_icon_highlight(SexyIconEntry *entry,
SexyIconEntryPosition icon_pos,
gboolean highlight)
{
SexyIconInfo *icon_info;
g_return_if_fail(entry != NULL);
g_return_if_fail(SEXY_IS_ICON_ENTRY(entry));
g_return_if_fail(IS_VALID_ICON_ENTRY_POSITION(icon_pos));
icon_info = &entry->priv->icons[icon_pos];
if (icon_info->highlight == highlight)
return;
icon_info->highlight = highlight;
}
/**
* sexy_icon_entry_get_icon
* @param entry A #SexyIconEntry.
* @param position Icon position.
*
* Retrieves the image used for the icon
*
* Returns: A #GtkImage.
*/
GtkImage *
sexy_icon_entry_get_icon(const SexyIconEntry *entry,
SexyIconEntryPosition icon_pos)
{
g_return_val_if_fail(entry != NULL, NULL);
g_return_val_if_fail(SEXY_IS_ICON_ENTRY(entry), NULL);
g_return_val_if_fail(IS_VALID_ICON_ENTRY_POSITION(icon_pos), NULL);
return entry->priv->icons[icon_pos].icon;
}
/**
* sexy_icon_entry_get_icon_highlight
* @param entry A #SexyIconEntry.
* @param position Icon position.
*
* Retrieves whether entry will highlight the icon on mouseover.
*
* Returns: TRUE if icon highlights.
*/
gboolean
sexy_icon_entry_get_icon_highlight(const SexyIconEntry *entry,
SexyIconEntryPosition icon_pos)
{
g_return_val_if_fail(entry != NULL, FALSE);
g_return_val_if_fail(SEXY_IS_ICON_ENTRY(entry), FALSE);
g_return_val_if_fail(IS_VALID_ICON_ENTRY_POSITION(icon_pos), FALSE);
return entry->priv->icons[icon_pos].highlight;
}
static void
clear_button_clicked_cb(SexyIconEntry *icon_entry,
SexyIconEntryPosition icon_pos,
int button)
{
if (icon_pos != SEXY_ICON_ENTRY_SECONDARY || button != 1)
return;
gtk_entry_set_text(GTK_ENTRY(icon_entry), "");
}
/**
* sexy_icon_entry_add_clear_button
* @param icon_entry A #SexyIconEntry.
*
* A convenience function to add a clear button to the end of the entry.
* This is useful for search boxes.
*/
void
sexy_icon_entry_add_clear_button(SexyIconEntry *icon_entry)
{
GtkWidget *icon;
g_return_if_fail(icon_entry != NULL);
g_return_if_fail(SEXY_IS_ICON_ENTRY(icon_entry));
icon = gtk_image_new_from_stock(GTK_STOCK_CLEAR, GTK_ICON_SIZE_MENU);
gtk_widget_show(icon);
sexy_icon_entry_set_icon(SEXY_ICON_ENTRY(icon_entry),
SEXY_ICON_ENTRY_SECONDARY,
GTK_IMAGE(icon));
sexy_icon_entry_set_icon_highlight(SEXY_ICON_ENTRY(icon_entry),
SEXY_ICON_ENTRY_SECONDARY, TRUE);
if (icon_entry->priv->icon_released_id != 0)
{
g_signal_handler_disconnect(icon_entry,
icon_entry->priv->icon_released_id);
}
icon_entry->priv->icon_released_id =
g_signal_connect(G_OBJECT(icon_entry), "icon_released",
G_CALLBACK(clear_button_clicked_cb), NULL);
}
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