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Diffstat (limited to 'hildon/hildon-color-button.c')
| -rw-r--r-- | hildon/hildon-color-button.c | 645 |
1 files changed, 0 insertions, 645 deletions
diff --git a/hildon/hildon-color-button.c b/hildon/hildon-color-button.c deleted file mode 100644 index a9430ba..0000000 --- a/hildon/hildon-color-button.c +++ /dev/null @@ -1,645 +0,0 @@ -/* - * This file is a part of hildon - * - * Copyright (C) 2005, 2006 Nokia Corporation, all rights reserved. - * - * Contact: Rodrigo Novo <rodrigo.novo@nokia.com> - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public License - * as published by the Free Software Foundation; version 2.1 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - * - */ - -/** - * SECTION:hildon-color-button - * @short_description: A widget to open HildonColorChooserDialog. - * @see_also: #HildonColorChooserDialog, #HildonColorPopup - * - * HildonColorButton is a widget to open a HildonColorChooserDialog. - * The selected color is shown in the button. - * The selected color is a property of the button. - * The property name is "color" and its type is GtkColor. - * - * <example> - * <title>HildonColorButton example</title> - * <programlisting> - * HildonColorButton *cbutton; - * GtkColor *color; - * <!-- --> - * cbutton = hildon_color_button_new(); - * gtk_object_get( GTK_OBJECT(cbutton), "color", color ); - * </programlisting> - * </example> - * - */ - -#undef HILDON_DISABLE_DEPRECATED - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include <gdk/gdkkeysyms.h> - -#include "hildon-color-button.h" -#include "hildon-defines.h" -#include "hildon-color-chooser-dialog.h" -#include "hildon-color-button-private.h" - -#define COLOR_BUTTON_WIDTH 80 - -#define COLOR_BUTTON_HEIGHT 70 - -#define OUTER_BORDER_RED 0 - -#define OUTER_BORDER_BLUE 0 - -#define OUTER_BORDER_GREEN 0 - -#define OUTER_BORDER_THICKNESS 1 - -#define INNER_BORDER_RED 65535 - -#define INNER_BORDER_BLUE 65535 - -#define INNER_BORDER_GREEN 65535 - -#define INNER_BORDER_THICKNESS 2 - -enum -{ - SETUP_DIALOG, - LAST_SIGNAL -}; - -enum -{ - PROP_0, - PROP_COLOR, - PROP_POPUP_SHOWN -}; - -static void -hildon_color_button_class_init (HildonColorButtonClass *klass); - -static void -hildon_color_button_init (HildonColorButton *color_button); - -static void -hildon_color_button_finalize (GObject *object); - -static void -hildon_color_button_set_property (GObject *object, - guint param_id, - const GValue *value, - GParamSpec *pspec); - -static void -hildon_color_button_get_property (GObject *object, - guint param_id, - GValue *value, - GParamSpec *pspec); - -static void -hildon_color_button_realize (GtkWidget *widget); - -static void -hildon_color_button_unrealize (GtkWidget *widget); - -static void -hildon_color_button_clicked (GtkButton *button); - -static gboolean -hildon_color_button_key_pressed (GtkWidget *button, - GdkEventKey *event, - gpointer data); - -static gint -hildon_color_field_expose_event (GtkWidget *widget, - GdkEventExpose *event, - HildonColorButton *cb); - -static gboolean -hildon_color_button_mnemonic_activate (GtkWidget *widget, - gboolean group_cycling); - -static void -draw_grid (GdkDrawable *drawable, - GdkGC *gc, - int x, - int y, - gint w, - gint h); - -static gpointer parent_class = NULL; -static guint signals [LAST_SIGNAL] = { 0, }; - -/** - * hildon_color_button_get_type: - * - * Initializes and returns the type of a hildon color button. - * - * Returns: GType of #HildonColorButton. - */ -GType G_GNUC_CONST -hildon_color_button_get_type (void) -{ - static GType color_button_type = 0; - - if (! color_button_type) - { - static const GTypeInfo color_button_info = - { - sizeof (HildonColorButtonClass), - NULL, /* base_init */ - NULL, /* base_finalize */ - (GClassInitFunc) hildon_color_button_class_init, - NULL, /* class_finalize */ - NULL, /* class_data */ - sizeof (HildonColorButton), - 0, /* n_preallocs */ - (GInstanceInitFunc) hildon_color_button_init, - }; - - color_button_type = g_type_register_static (GTK_TYPE_BUTTON, "HildonColorButton", - &color_button_info, 0); - } - - return color_button_type; -} - -static void -hildon_color_button_class_init (HildonColorButtonClass *klass) -{ - GObjectClass *gobject_class; - GtkButtonClass *button_class; - GtkWidgetClass *widget_class; - - gobject_class = G_OBJECT_CLASS (klass); - button_class = GTK_BUTTON_CLASS (klass); - widget_class = GTK_WIDGET_CLASS (klass); - - parent_class = g_type_class_peek_parent (klass); - - gobject_class->get_property = hildon_color_button_get_property; - gobject_class->set_property = hildon_color_button_set_property; - gobject_class->finalize = hildon_color_button_finalize; - widget_class->realize = hildon_color_button_realize; - widget_class->unrealize = hildon_color_button_unrealize; - button_class->clicked = hildon_color_button_clicked; - widget_class->mnemonic_activate = hildon_color_button_mnemonic_activate; - - signals[SETUP_DIALOG] = - g_signal_new ("setup-dialog", - G_TYPE_FROM_CLASS (klass), - G_SIGNAL_RUN_LAST, - 0, - NULL, NULL, - g_cclosure_marshal_VOID__OBJECT, - G_TYPE_NONE, 1, - HILDON_TYPE_COLOR_CHOOSER_DIALOG); - - /** - * HildonColorButton:color: - * - * The currently selected color. - */ - g_object_class_install_property (gobject_class, PROP_COLOR, - g_param_spec_boxed ("color", - "Current Color", - "The selected color", - GDK_TYPE_COLOR, - G_PARAM_READWRITE)); - - /** - * HildonColorButton:popup-shown: - * - * If the color selection dialog is currently popped-up (visible) - */ - g_object_class_install_property (gobject_class, PROP_POPUP_SHOWN, - g_param_spec_boolean ("popup-shown", - "IsPopped", - "If the color selection dialog is popped up", - FALSE, - G_PARAM_READABLE)); - - g_type_class_add_private (gobject_class, sizeof (HildonColorButtonPrivate)); -} - -/* FIXME Draw a dotted grid over the specified area to make it look - * insensitive. Actually, we should generate that pixbuf once and - * just render it over later... */ -static void -draw_grid (GdkDrawable *drawable, - GdkGC *gc, - int x, - int y, - gint w, - gint h) -{ - int currentx; - int currenty; - for (currenty = y; currenty <= h; currenty++) - for (currentx = ((currenty % 2 == 0) ? x : x + 1); currentx <= w; currentx += 2) - gdk_draw_point (drawable, gc, currentx, currenty); -} - -/* Handle exposure events for the color picker's drawing area */ -static gint -hildon_color_field_expose_event (GtkWidget *widget, - GdkEventExpose *event, - HildonColorButton *cb) -{ - HildonColorButtonPrivate *priv = HILDON_COLOR_BUTTON_GET_PRIVATE (cb); - GdkColor outer_border, inner_border; - - g_assert (priv); - - /* Create the outer border color */ - outer_border.pixel = 0; - outer_border.red = OUTER_BORDER_RED; - outer_border.blue = OUTER_BORDER_BLUE; - outer_border.green = OUTER_BORDER_GREEN; - - /* Create the inner border color */ - inner_border.pixel = 0; - inner_border.red = INNER_BORDER_RED; - inner_border.blue = INNER_BORDER_BLUE; - inner_border.green = INNER_BORDER_GREEN; - - /* serve the outer border color to the Graphic Context */ - gdk_gc_set_rgb_fg_color (priv->gc, &outer_border); - /* draw the outer border as a filled rectangle */ - gdk_draw_rectangle (widget->window, - (GTK_WIDGET_IS_SENSITIVE (widget)) ? priv->gc : widget->style->bg_gc [GTK_STATE_INSENSITIVE], - TRUE, - 0, - 0, - widget->allocation.width, - widget->allocation.height); - - /* serve the inner border color to the Graphic Context */ - gdk_gc_set_rgb_fg_color (priv->gc, &inner_border); - - /* draw the inner border as a filled rectangle */ - gdk_draw_rectangle (widget->window, - priv->gc, - TRUE, - OUTER_BORDER_THICKNESS, - OUTER_BORDER_THICKNESS, - widget->allocation.width - (OUTER_BORDER_THICKNESS * 2), - widget->allocation.height - (OUTER_BORDER_THICKNESS * 2)); - - /* serve the actual color to the Graphic Context */ - gdk_gc_set_rgb_fg_color(priv->gc, &priv->color); - - /* draw the actual rectangle */ - gdk_draw_rectangle(widget->window, - priv->gc, - TRUE, - INNER_BORDER_THICKNESS + OUTER_BORDER_THICKNESS, - INNER_BORDER_THICKNESS + OUTER_BORDER_THICKNESS, - widget->allocation.width - ((INNER_BORDER_THICKNESS + OUTER_BORDER_THICKNESS)*2), - widget->allocation.height - ((INNER_BORDER_THICKNESS + OUTER_BORDER_THICKNESS)*2)); - - if (! GTK_WIDGET_IS_SENSITIVE (widget)) { - draw_grid (GDK_DRAWABLE (widget->window), widget->style->bg_gc [GTK_STATE_INSENSITIVE], - INNER_BORDER_THICKNESS + OUTER_BORDER_THICKNESS, - INNER_BORDER_THICKNESS + OUTER_BORDER_THICKNESS, - widget->allocation.width - ((INNER_BORDER_THICKNESS + OUTER_BORDER_THICKNESS)*2) + 2, - widget->allocation.height - ((INNER_BORDER_THICKNESS + OUTER_BORDER_THICKNESS)*2) + 2); - } - - return FALSE; -} - -static void -hildon_color_button_init (HildonColorButton *cb) -{ - GtkWidget *align; - GtkWidget *drawing_area; - HildonColorButtonPrivate *priv = HILDON_COLOR_BUTTON_GET_PRIVATE (cb); - - priv->dialog = NULL; - priv->gc = NULL; - priv->popped = FALSE; - - gtk_widget_push_composite_child (); - - /* create widgets and pixbuf */ - align = gtk_alignment_new (0.5, 0.5, 0, 0); /* composite widget */ - - drawing_area = gtk_drawing_area_new (); /* composite widget */ - - /* setting minimum sizes */ - gtk_widget_set_size_request (GTK_WIDGET (cb), COLOR_BUTTON_WIDTH, - COLOR_BUTTON_HEIGHT); - - gtk_widget_set_size_request (GTK_WIDGET(drawing_area), - HILDON_ICON_PIXEL_SIZE_FINGER, - HILDON_ICON_PIXEL_SIZE_FINGER); - - /* Connect the callback function for exposure event */ - g_signal_connect (drawing_area, "expose-event", - G_CALLBACK (hildon_color_field_expose_event), cb); - - /* Connect to callback function for key press event */ - g_signal_connect (G_OBJECT(cb), "key-press-event", - G_CALLBACK(hildon_color_button_key_pressed), cb); - - /* packing */ - gtk_container_add (GTK_CONTAINER (align), drawing_area); - gtk_container_add (GTK_CONTAINER (cb), align); - - gtk_widget_show_all (align); - - gtk_widget_pop_composite_child (); -} - -/* Free memory used by HildonColorButton */ -static void -hildon_color_button_finalize (GObject *object) -{ - HildonColorButtonPrivate *priv = HILDON_COLOR_BUTTON_GET_PRIVATE (object); - g_assert (priv); - - if (priv->dialog) - { - gtk_widget_destroy (priv->dialog); - priv->dialog = NULL; - } - - if (G_OBJECT_CLASS (parent_class)->finalize) - G_OBJECT_CLASS (parent_class)->finalize (object); -} - -static void -hildon_color_button_realize (GtkWidget *widget) -{ - HildonColorButtonPrivate *priv = HILDON_COLOR_BUTTON_GET_PRIVATE (widget); - g_assert (priv); - - GTK_WIDGET_CLASS (parent_class)->realize (widget); - - priv->gc = gdk_gc_new (widget->window); -} - -static void -hildon_color_button_unrealize (GtkWidget *widget) -{ - HildonColorButtonPrivate *priv = HILDON_COLOR_BUTTON_GET_PRIVATE (widget); - g_assert (priv); - - if (priv->gc != NULL) { - g_object_unref (priv->gc); - priv->gc = NULL; - } - - GTK_WIDGET_CLASS (parent_class)->unrealize (widget); -} - -/* Make the widget sensitive with the keyboard event */ -static gboolean -hildon_color_button_mnemonic_activate (GtkWidget *widget, - gboolean group_cycling) -{ - gtk_widget_grab_focus (widget); - return TRUE; -} - -/* Popup a color selector dialog on button click */ -static void -hildon_color_button_clicked (GtkButton *button) -{ - HildonColorButton *cb = HILDON_COLOR_BUTTON (button); - HildonColorButtonPrivate *priv = HILDON_COLOR_BUTTON_GET_PRIVATE (button); - HildonColorChooserDialog *cs_dialog; - - g_assert (priv); - - cs_dialog = (HildonColorChooserDialog *) priv->dialog; - - /* Popup the color selector dialog */ - if (! cs_dialog) - { - /* The dialog hasn't been created yet, do it */ - GtkWidget *parent = gtk_widget_get_toplevel (GTK_WIDGET(cb)); - priv->dialog = hildon_color_chooser_dialog_new (); - cs_dialog = HILDON_COLOR_CHOOSER_DIALOG (priv->dialog); - if (parent) - gtk_window_set_transient_for (GTK_WINDOW (cs_dialog), GTK_WINDOW (parent)); - - g_signal_emit (button, signals[SETUP_DIALOG], 0, priv->dialog); - } - - /* Set the initial color for the color selector dialog */ - hildon_color_chooser_dialog_set_color (cs_dialog, &priv->color); - - /* Update the color for color button if selection was made */ - priv->popped = TRUE; - if (gtk_dialog_run (GTK_DIALOG (cs_dialog)) == GTK_RESPONSE_OK) - { - hildon_color_chooser_dialog_get_color (cs_dialog, &priv->color); - hildon_color_button_set_color (HILDON_COLOR_BUTTON (button), &priv->color); - // FIXME A queue-draw should be enough here (not set needed) - } - - gtk_widget_hide (GTK_WIDGET(cs_dialog)); - priv->popped = FALSE; -} - -/* Popup a color selector dialog on hardkey Select press. - * FIXME This is a bit hacky, should work without thi. Check. */ -static gboolean -hildon_color_button_key_pressed (GtkWidget *button, - GdkEventKey *event, - gpointer data) -{ - g_return_val_if_fail (HILDON_IS_COLOR_BUTTON (button), FALSE); - - if (event->keyval == HILDON_HARDKEY_SELECT) - { - hildon_color_button_clicked (GTK_BUTTON (button)); - return TRUE; - } - - return FALSE; -} - -static void -hildon_color_button_set_property (GObject *object, - guint param_id, - const GValue *value, - GParamSpec *pspec) -{ - HildonColorButton *cb = HILDON_COLOR_BUTTON (object); - HildonColorButtonPrivate *priv = HILDON_COLOR_BUTTON_GET_PRIVATE (cb); - g_assert (priv); - - switch (param_id) - { - - case PROP_COLOR: - priv->color = *(GdkColor *) g_value_get_boxed (value); - gtk_widget_queue_draw (GTK_WIDGET (cb)); - break; - - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec); - break; - } -} - -static void -hildon_color_button_get_property (GObject *object, - guint param_id, - GValue *value, - GParamSpec *pspec) -{ - HildonColorButton *cb = HILDON_COLOR_BUTTON (object); - HildonColorButtonPrivate *priv = HILDON_COLOR_BUTTON_GET_PRIVATE (cb); - g_assert (priv); - - switch (param_id) - { - - case PROP_COLOR: - g_value_set_boxed (value, &priv->color); - break; - - case PROP_POPUP_SHOWN: - g_value_set_boolean (value, priv->popped); - break; - - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec); - break; - } -} - -/** - * hildon_color_button_new: - * - * Creates a new color button. This returns a widget in the form of a - * small button containing a swatch representing the selected color. - * When the button is clicked, a color-selection dialog will open, - * allowing the user to select a color. The swatch will be updated to - * reflect the new color when the user finishes. - * - * Returns: a new color button - */ -GtkWidget* -hildon_color_button_new (void) -{ - return g_object_new (HILDON_TYPE_COLOR_BUTTON, NULL); -} - -/** - * hildon_color_button_new_with_color: - * @color: a #GdkColor for the initial color - * - * Creates a new color button with @color as the initial color. - * - * Returns: a new color button - */ -GtkWidget* -hildon_color_button_new_with_color (const GdkColor *color) -{ - return g_object_new (HILDON_TYPE_COLOR_BUTTON, "color", color, NULL); -} - -/** - * hildon_color_button_set_color: - * @button: a #HildonColorButton - * @color: a color to be set - * - * Sets the color selected by the button. - */ -void -hildon_color_button_set_color (HildonColorButton *button, - GdkColor *color) -{ - g_return_if_fail (HILDON_IS_COLOR_BUTTON (button)); - - g_object_set (G_OBJECT (button), "color", color, NULL); -} - -/** - * hildon_color_button_get_popup_shown - * @button: a #HildonColorButton - * - * This function checks if the color button has the color - * selection dialog currently popped-up. - * - * Returns: TRUE if the dialog is popped-up (visible to user). - * - */ -gboolean -hildon_color_button_get_popup_shown (HildonColorButton *button) -{ - HildonColorButtonPrivate *priv = NULL; - g_return_val_if_fail (HILDON_IS_COLOR_BUTTON (button), FALSE); - - priv = HILDON_COLOR_BUTTON_GET_PRIVATE (button); - g_assert (priv); - - return priv->popped; -} - -/** - * hildon_color_button_popdown - * @button: a #HildonColorButton - * - * If the color selection dialog is currently popped-up (visible) - * it will be popped-down (hidden). - * - */ -void -hildon_color_button_popdown (HildonColorButton *button) -{ - HildonColorButtonPrivate *priv = NULL; - g_return_if_fail (HILDON_IS_COLOR_BUTTON (button)); - - priv = HILDON_COLOR_BUTTON_GET_PRIVATE (button); - g_assert (priv); - - if (priv->popped && priv->dialog) { - gtk_dialog_response (GTK_DIALOG (priv->dialog), GTK_RESPONSE_CANCEL); - } -} - -/** - * hildon_color_button_get_color: - * @button: a #HildonColorButton - * @color: a color #GdkColor to be fillled with the current color - * - */ -void -hildon_color_button_get_color (HildonColorButton *button, - GdkColor *color) -{ - HildonColorButtonPrivate *priv = NULL; - g_return_if_fail (HILDON_IS_COLOR_BUTTON (button)); - g_return_if_fail (color != NULL); - - priv = HILDON_COLOR_BUTTON_GET_PRIVATE (button); - g_assert (priv); - - color->red = priv->color.red; - color->green = priv->color.green; - color->blue = priv->color.blue; - color->pixel = priv->color.pixel; -} - |