diff options
Diffstat (limited to 'frontends/gtk/sexy_icon_entry.c')
| -rw-r--r-- | frontends/gtk/sexy_icon_entry.c | 982 |
1 files changed, 982 insertions, 0 deletions
diff --git a/frontends/gtk/sexy_icon_entry.c b/frontends/gtk/sexy_icon_entry.c new file mode 100644 index 000000000..fff650cc4 --- /dev/null +++ b/frontends/gtk/sexy_icon_entry.c @@ -0,0 +1,982 @@ +/* + * 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 = nsgtk_image_new_from_stock(NSGTK_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); +} |