383 lines
9.6 KiB
C
383 lines
9.6 KiB
C
/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
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#include <config.h>
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#include <gnome.h>
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#include <gdk/gdkx.h>
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#include <gal/widgets/e-canvas.h>
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#include <gal/widgets/e-canvas-utils.h>
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#include <gal/util/e-util.h>
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#include <gal/e-text/e-text.h>
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#include "e-note.h"
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#include "e-bevel-button.h"
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#include "e-bevel-button-util.h"
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#define PARENT_TYPE GTK_TYPE_WINDOW
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enum {
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E_NOTE_TEXT_CHANGED,
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E_NOTE_LAST_SIGNAL
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};
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static guint e_note_signals [E_NOTE_LAST_SIGNAL] = { 0 };
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static GtkWindowClass *parent_class = NULL;
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struct _ENotePrivate {
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GtkWidget *canvas;
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GnomeCanvasItem *frame;
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GnomeCanvasItem *rect;
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GnomeCanvasItem *text_item;
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GnomeCanvasItem *move_button;
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GnomeCanvasItem *close_button;
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GnomeCanvasItem *resize_button;
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/* Used for moving and resizing */
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gint press_x, press_y;
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gint resize_width, resize_height;
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gboolean in_drag;
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};
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static void
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e_note_text_changed (ETextModel *model, gpointer data)
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{
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gtk_signal_emit (GTK_OBJECT (data),
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e_note_signals [E_NOTE_TEXT_CHANGED]);
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}
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static gint
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e_note_resize_button_changed (GtkWidget *widget, GdkEventButton *event, gpointer data)
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{
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ENote *note = E_NOTE (data);
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if (event->type == GDK_BUTTON_PRESS) {
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note->priv->press_x = event->x_root;
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note->priv->press_y = event->y_root;
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gdk_window_get_geometry (GTK_WIDGET (note)->window, NULL, NULL,
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¬e->priv->resize_width, ¬e->priv->resize_height, NULL);
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gdk_pointer_grab (widget->window,
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FALSE,
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(GDK_BUTTON1_MOTION_MASK |
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GDK_POINTER_MOTION_HINT_MASK |
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GDK_BUTTON_RELEASE_MASK),
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NULL,
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NULL,
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GDK_CURRENT_TIME);
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note->priv->in_drag = TRUE;
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}
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else {
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if (note->priv->in_drag) {
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if (event->window != widget->window)
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return FALSE;
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gdk_pointer_ungrab (GDK_CURRENT_TIME);
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note->priv->in_drag = FALSE;
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}
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}
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return TRUE;
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}
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static gint
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e_note_resize_motion_event (GtkWidget *widget, GdkEventMotion *event, gpointer data)
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{
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GtkWidget *window = GTK_WIDGET (data);
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ENote *note = E_NOTE (data);
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gint new_x, new_y;
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gint width, height;
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if (note->priv->in_drag) {
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gdk_window_get_pointer (GDK_ROOT_PARENT (), &new_x, &new_y, NULL);
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width = note->priv->resize_width + new_x - note->priv->press_x;
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if (width < 60)
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width = 60;
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height = note->priv->resize_height + new_y - note->priv->press_y;
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if (height < 60)
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height = 60;
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gdk_window_resize (window->window, width, height);
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return TRUE;
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}
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return FALSE;
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}
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static gint
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e_note_move_button_changed (GtkWidget *widget, GdkEventButton *event, gpointer data)
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{
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ENote *note = E_NOTE (data);
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if (event->button != 1)
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return FALSE;
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if (event->type == GDK_BUTTON_PRESS) {
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gint root_x, root_y;
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gdk_window_get_origin (widget->window, &root_x, &root_y);
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note->priv->press_x = root_x - event->x_root;
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note->priv->press_y = root_y - event->y_root;
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gdk_pointer_grab (widget->window,
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FALSE,
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(GDK_BUTTON1_MOTION_MASK |
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GDK_POINTER_MOTION_HINT_MASK |
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GDK_BUTTON_RELEASE_MASK),
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NULL,
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NULL,
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GDK_CURRENT_TIME);
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note->priv->in_drag = TRUE;
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}
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else {
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if (note->priv->in_drag) {
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if (event->window != widget->window)
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return FALSE;
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gdk_pointer_ungrab (GDK_CURRENT_TIME);
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note->priv->in_drag = FALSE;
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}
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}
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return TRUE;
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}
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static gint
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e_note_move_motion_event (GtkWidget *widget, GdkEventMotion *event, gpointer data)
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{
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gint new_x, new_y;
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ENote *note = E_NOTE (data);
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GtkWidget *window = GTK_WIDGET (data);
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if (note->priv->in_drag) {
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gdk_window_get_pointer (GDK_ROOT_PARENT (), &new_x, &new_y, NULL);
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new_x += note->priv->press_x;
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new_y += note->priv->press_y;
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gdk_window_move (window->window, new_x, new_y);
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}
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return TRUE;
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}
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static void
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e_note_canvas_size_allocate (GtkWidget *widget, GtkAllocation *allocation, gpointer data)
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{
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ENote *note;
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gdouble height;
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note = E_NOTE (data);
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gnome_canvas_item_set (note->priv->text_item,
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"width", (gdouble) allocation->width - 10,
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NULL);
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gtk_object_get (GTK_OBJECT (note->priv->text_item),
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"height", &height,
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NULL);
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height = MAX (height, allocation->height);
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gnome_canvas_set_scroll_region (GNOME_CANVAS (note->priv->canvas), 0, 0,
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allocation->width, height);
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gnome_canvas_item_set (note->priv->frame,
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"x2", (gdouble) allocation->width - 1,
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"y2", (gdouble) allocation->height - 1,
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NULL);
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gnome_canvas_item_set (note->priv->rect,
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"x2", (gdouble) allocation->width - 1,
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"y2", (gdouble) allocation->height - 1,
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NULL);
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gnome_canvas_item_set (note->priv->move_button,
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"width", (gdouble) allocation->width - 29,
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NULL);
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gnome_canvas_item_set (note->priv->resize_button,
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"x", (gdouble) allocation->width - 23,
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"y", (gdouble) allocation->height - 23,
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NULL);
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gnome_canvas_item_set (note->priv->close_button,
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"x", (gdouble) allocation->width - 23,
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NULL);
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}
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static void
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e_note_realize (GtkWidget *widget)
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{
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GTK_WIDGET_CLASS (parent_class)->realize (widget);
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gdk_window_set_decorations (widget->window, 0);
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}
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static void
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e_note_class_init (ENoteClass *klass)
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{
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GtkWidgetClass *widget_class;
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GtkObjectClass *object_class;
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object_class = (GtkObjectClass *)klass;
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widget_class = (GtkWidgetClass *)klass;
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parent_class = gtk_type_class (PARENT_TYPE);
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widget_class->realize = e_note_realize;
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e_note_signals [E_NOTE_TEXT_CHANGED] =
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gtk_signal_new ("changed",
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GTK_RUN_LAST,
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object_class->type,
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GTK_SIGNAL_OFFSET (ENoteClass, text_changed),
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gtk_marshal_NONE__NONE,
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GTK_TYPE_NONE, 0);
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gtk_object_class_add_signals (object_class, e_note_signals, E_NOTE_LAST_SIGNAL);
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}
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static void
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e_note_init (ENote *note)
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{
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ENotePrivate *priv;
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GtkWidget *button;
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priv = g_new (ENotePrivate, 1);
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note->priv = priv;
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gtk_widget_push_visual (gdk_rgb_get_visual ());
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gtk_widget_push_colormap (gdk_rgb_get_cmap ());
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priv->canvas = e_canvas_new ();
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gtk_widget_pop_visual ();
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gtk_widget_pop_colormap ();
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gtk_signal_connect (GTK_OBJECT (priv->canvas), "size_allocate",
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GTK_SIGNAL_FUNC (e_note_canvas_size_allocate), note);
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gtk_widget_show (priv->canvas);
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gtk_container_add (GTK_CONTAINER (note), priv->canvas);
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priv->rect = gnome_canvas_item_new (gnome_canvas_root (GNOME_CANVAS (priv->canvas)),
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gnome_canvas_rect_get_type (),
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"x1", 0.0,
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"y1", 0.0,
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"x2", 100.0,
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"y2", 100.0,
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"fill_color_rgba", 0xf5ffa0ff,
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NULL);
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priv->frame = gnome_canvas_item_new (gnome_canvas_root (GNOME_CANVAS (priv->canvas)),
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gnome_canvas_rect_get_type (),
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"x1", 0.0,
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"y1", 0.0,
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"x2", 100.0,
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"y2", 100.0,
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"outline_color", "black",
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NULL);
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priv->text_item = gnome_canvas_item_new (gnome_canvas_root (GNOME_CANVAS (priv->canvas)),
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e_text_get_type (),
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"text", "",
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"font_gdk", priv->canvas->style->font,
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"fill_color", "black",
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"anchor", GTK_ANCHOR_NW,
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"clip", TRUE,
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"editable", TRUE,
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"line_wrap", TRUE,
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"width", 150.0,
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NULL);
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e_canvas_item_move_absolute(priv->text_item,
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5.0, 25.0);
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gtk_signal_connect (GTK_OBJECT (E_TEXT (priv->text_item)->model), "changed",
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GTK_SIGNAL_FUNC (e_note_text_changed), note);
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button = e_bevel_button_new ();
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gtk_signal_connect (GTK_OBJECT (button), "button_press_event",
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GTK_SIGNAL_FUNC (e_note_move_button_changed), note);
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gtk_signal_connect (GTK_OBJECT (button), "button_release_event",
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GTK_SIGNAL_FUNC (e_note_move_button_changed), note);
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gtk_signal_connect (GTK_OBJECT (button), "motion_notify_event",
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GTK_SIGNAL_FUNC (e_note_move_motion_event), note);
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gtk_widget_show (button);
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priv->move_button = gnome_canvas_item_new (gnome_canvas_root (GNOME_CANVAS (priv->canvas)),
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gnome_canvas_widget_get_type (),
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"widget", button,
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"x", 3.0,
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"y", 3.0,
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"width", 20.0,
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"height", 20.0,
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NULL);
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button = e_bevel_button_new ();
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gtk_widget_show (button);
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priv->close_button = gnome_canvas_item_new (gnome_canvas_root (GNOME_CANVAS (priv->canvas)),
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gnome_canvas_widget_get_type (),
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"widget", button,
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"x", 3.0,
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"y", 3.0,
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"width", 20.0,
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"height", 20.0,
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NULL);
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button = e_bevel_button_new ();
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gtk_signal_connect (GTK_OBJECT (button), "button_press_event",
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GTK_SIGNAL_FUNC (e_note_resize_button_changed), note);
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gtk_signal_connect (GTK_OBJECT (button), "button_release_event",
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GTK_SIGNAL_FUNC (e_note_resize_button_changed), note);
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gtk_signal_connect (GTK_OBJECT (button), "motion_notify_event",
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GTK_SIGNAL_FUNC (e_note_resize_motion_event), note);
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gtk_widget_show (button);
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priv->resize_button = gnome_canvas_item_new (gnome_canvas_root (GNOME_CANVAS (priv->canvas)),
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gnome_canvas_widget_get_type (),
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"widget", button,
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"x", 3.0,
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"y", 3.0,
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"width", 20.0,
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"height", 20.0,
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NULL);
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}
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void
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e_note_set_text (ENote *note, gchar *text)
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{
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g_return_if_fail (note != NULL);
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g_return_if_fail (E_IS_NOTE (note));
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g_return_if_fail (text != NULL);
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gnome_canvas_item_set (note->priv->text_item,
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"text", text,
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NULL);
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}
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gchar *
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e_note_get_text (ENote *note)
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{
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gchar *text;
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g_return_val_if_fail (note != NULL, NULL);
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g_return_val_if_fail (E_IS_NOTE (note), NULL);
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g_return_val_if_fail (text != NULL, NULL);
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gtk_object_get (GTK_OBJECT (note->priv->text_item),
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"text", &text,
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NULL);
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return text;
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}
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GtkWidget *
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e_note_new (void)
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{
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ENote *note;
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note = gtk_type_new (E_TYPE_NOTE);
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return GTK_WIDGET (note);
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}
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E_MAKE_TYPE (e_note, "ENote", ENote, e_note_class_init, e_note_init, PARENT_TYPE);
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