From 3dc527df6627d11b8a7ed176092d70ee80b9e9a6 Mon Sep 17 00:00:00 2001 From: Rodrigo Moya Date: Wed, 13 Jun 2001 15:22:25 +0000 Subject: added cut&paste support, by using a GtkInvisible widget to manage the 2001-06-11 Rodrigo Moya * gui/e-day-view.[ch]: added cut&paste support, by using a GtkInvisible widget to manage the clipboard selections. * gui/e-week-view.[ch]: ditto svn path=/trunk/; revision=10207 --- calendar/ChangeLog | 7 ++++ calendar/gui/e-day-view.c | 99 +++++++++++++++++++++++++++++++++++++++++++++- calendar/gui/e-day-view.h | 4 ++ calendar/gui/e-week-view.c | 98 +++++++++++++++++++++++++++++++++++++++++++++ calendar/gui/e-week-view.h | 4 ++ 5 files changed, 211 insertions(+), 1 deletion(-) diff --git a/calendar/ChangeLog b/calendar/ChangeLog index 15bf30af5a..411108f923 100644 --- a/calendar/ChangeLog +++ b/calendar/ChangeLog @@ -1,3 +1,10 @@ +2001-06-11 Rodrigo Moya + + * gui/e-day-view.[ch]: added cut&paste support, by using a GtkInvisible + widget to manage the clipboard selections. + + * gui/e-week-view.[ch]: ditto + 2001-06-08 Iain Holmes * gui/component-factory.c: Removed the executive-summary includes. diff --git a/calendar/gui/e-day-view.c b/calendar/gui/e-day-view.c index b08ed848d8..cd3f08aa77 100644 --- a/calendar/gui/e-day-view.c +++ b/calendar/gui/e-day-view.c @@ -1,8 +1,9 @@ /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ /* - * Author : + * Authors : * Damon Chaplin + * Rodrigo Moya * * Copyright 1999, Helix Code, Inc. * @@ -404,8 +405,23 @@ static gboolean e_day_view_set_event_font_cb (EDayView *day_view, gint event_num, gpointer data); +static void selection_clear_event (GtkWidget *invisible, + GdkEventSelection *event, + EDayView *day_view); +static void selection_received (GtkWidget *invisible, + GtkSelectionData *selection_data, + guint time, + EDayView *day_view); +static void selection_get (GtkWidget *invisible, + GtkSelectionData *selection_data, + guint info, + guint time_stamp, + EDayView *day_view); +static void invisible_destroyed (GtkWidget *invisible, EDayView *day_view); + static GtkTableClass *parent_class; +static GdkAtom clipboard_atom = GDK_NONE; GtkType @@ -453,6 +469,10 @@ e_day_view_class_init (EDayViewClass *class) widget_class->focus_in_event = e_day_view_focus_in; widget_class->focus_out_event = e_day_view_focus_out; widget_class->key_press_event = e_day_view_key_press; + + /* clipboard atom */ + if (!clipboard_atom) + clipboard_atom = gdk_atom_intern ("CLIPBOARD", FALSE); } @@ -789,6 +809,30 @@ e_day_view_init (EDayView *day_view) GTK_DEST_DEFAULT_ALL, target_table, n_targets, GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_ASK); + + /* Set up the invisible widget for the clipboard selections */ + day_view->invisible = gtk_invisible_new (); + gtk_selection_add_target (day_view->invisible, + clipboard_atom, + GDK_SELECTION_TYPE_STRING, + 0); + gtk_signal_connect (GTK_OBJECT (day_view->invisible), + "selection_get", + GTK_SIGNAL_FUNC (selection_get), + (gpointer) day_view); + gtk_signal_connect (GTK_OBJECT (day_view->invisible), + "selection_clear_event", + GTK_SIGNAL_FUNC (selection_clear_event), + (gpointer) day_view); + gtk_signal_connect (GTK_OBJECT (day_view->invisible), + "selection_received", + GTK_SIGNAL_FUNC (selection_received), + (gpointer) day_view); + gtk_signal_connect (GTK_OBJECT (day_view->invisible), + "destroy", + GTK_SIGNAL_FUNC (invisible_destroyed), + (gpointer) day_view); + day_view->clipboard_selection = NULL; } @@ -860,6 +904,11 @@ e_day_view_destroy (GtkObject *object) for (day = 0; day < E_DAY_VIEW_MAX_DAYS; day++) g_array_free (day_view->events[day], TRUE); + if (day_view->invisible) + gtk_widget_destroy (day_view->invisible); + if (day_view->clipboard_selection) + g_free (day_view->clipboard_selection); + GTK_OBJECT_CLASS (parent_class)->destroy (object); } @@ -6370,3 +6419,51 @@ e_day_view_get_time_string_width (EDayView *day_view) return time_width; } + +static void +invisible_destroyed (GtkWidget *invisible, EDayView *day_view) +{ + day_view->invisible = NULL; +} + +static void +selection_get (GtkWidget *invisible, + GtkSelectionData *selection_data, + guint info, + guint time_stamp, + EDayView *day_view) +{ + if (day_view->clipboard_selection != NULL) { + gtk_selection_data_set (selection_data, + GDK_SELECTION_TYPE_STRING, + 8, + day_view->clipboard_selection, + strlen (day_view->clipboard_selection)); + } +} + +static void +selection_clear_event (GtkWidget *invisible, + GdkEventSelection *event, + EDayView *day_view) +{ + if (day_view->clipboard_selection != NULL) { + g_free (day_view->clipboard_selection); + day_view->clipboard_selection = NULL; + } +} + +static void selection_received (GtkWidget *invisible, + GtkSelectionData *selection_data, + guint time, + EDayView *day_view) +{ + if (selection_data->length < 0 || + selection_data->type != GDK_SELECTION_TYPE_STRING) { + return; + } + + if (day_view->clipboard_selection != NULL) + g_free (day_view->clipboard_selection); + day_view->clipboard_selection = g_strdup ((gchar *) selection_data->data); +} diff --git a/calendar/gui/e-day-view.h b/calendar/gui/e-day-view.h index 9eb247a59f..f5e2087ad9 100644 --- a/calendar/gui/e-day-view.h +++ b/calendar/gui/e-day-view.h @@ -472,6 +472,10 @@ struct _EDayView gchar *pm_string; gint am_string_width; gint pm_string_width; + + /* the invisible widget to manage the clipboard selections */ + GtkWidget *invisible; + gchar *clipboard_selection; }; struct _EDayViewClass diff --git a/calendar/gui/e-week-view.c b/calendar/gui/e-week-view.c index adadd5d42a..ca1f05faec 100644 --- a/calendar/gui/e-week-view.c +++ b/calendar/gui/e-week-view.c @@ -33,6 +33,8 @@ #include #include +#include +#include #include #include #include @@ -173,7 +175,22 @@ static gboolean e_week_view_remove_event_cb (EWeekView *week_view, gpointer data); static gboolean e_week_view_recalc_display_start_day (EWeekView *week_view); +static void invisible_destroyed (GtkWidget *invisible, EWeekView *week_view); +static void selection_get (GtkWidget *invisible, + GtkSelectionData *selection_data, + guint info, + guint time_stamp, + EWeekView *week_view); +static void selection_clear_event (GtkWidget *invisible, + GdkEventSelection *event, + EWeekView *week_view); +static void selection_received (GtkWidget *invisible, + GtkSelectionData *selection_data, + guint time, + EWeekView *week_view); + static GtkTableClass *parent_class; +static GdkAtom clipboard_atom = GDK_NONE; GtkType @@ -223,6 +240,10 @@ e_week_view_class_init (EWeekViewClass *class) widget_class->key_press_event = e_week_view_key_press; widget_class->expose_event = e_week_view_expose_event; widget_class->draw = e_week_view_draw; + + /* clipboard atom */ + if (!clipboard_atom) + clipboard_atom = gdk_atom_intern ("CLIPBOARD", FALSE); } @@ -368,6 +389,30 @@ e_week_view_init (EWeekView *week_view) week_view->move_cursor = gdk_cursor_new (GDK_FLEUR); week_view->resize_width_cursor = gdk_cursor_new (GDK_SB_H_DOUBLE_ARROW); week_view->last_cursor_set = NULL; + + /* Set up the inivisible widget for the clipboard selections */ + week_view->invisible = gtk_invisible_new (); + gtk_selection_add_target (week_view->invisible, + clipboard_atom, + GDK_SELECTION_TYPE_STRING, + 0); + gtk_signal_connect (GTK_OBJECT (week_view->invisible), + "selection_get", + GTK_SIGNAL_FUNC (selection_get), + (gpointer) week_view); + gtk_signal_connect (GTK_OBJECT (week_view->invisible), + "selection_clear_event", + GTK_SIGNAL_FUNC (selection_clear_event), + (gpointer) week_view); + gtk_signal_connect (GTK_OBJECT (week_view->invisible), + "selection_received", + GTK_SIGNAL_FUNC (selection_received), + (gpointer) week_view); + gtk_signal_connect (GTK_OBJECT (week_view->invisible), + "destroy", + GTK_SIGNAL_FUNC (invisible_destroyed), + (gpointer) week_view); + week_view->clipboard_selection = NULL; } @@ -421,6 +466,11 @@ e_week_view_destroy (GtkObject *object) gdk_cursor_destroy (week_view->move_cursor); gdk_cursor_destroy (week_view->resize_width_cursor); + if (week_view->invisible) + gtk_widget_destroy (week_view->invisible); + if (week_view->clipboard_selection) + g_free (week_view->clipboard_selection); + GTK_OBJECT_CLASS (parent_class)->destroy (object); } @@ -3315,3 +3365,51 @@ e_week_view_get_time_string_width (EWeekView *week_view) return time_width; } + +static void +invisible_destroyed (GtkWidget *invisible, EWeekView *week_view) +{ + week_view->invisible = NULL; +} + +static void +selection_get (GtkWidget *invisible, + GtkSelectionData *selection_data, + guint info, + guint time_stamp, + EWeekView *week_view) +{ + if (week_view->clipboard_selection != NULL) { + gtk_selection_data_set (selection_data, + GDK_SELECTION_TYPE_STRING, + 8, + week_view->clipboard_selection, + strlen (week_view->clipboard_selection)); + } +} + +static void +selection_clear_event (GtkWidget *invisible, + GdkEventSelection *event, + EWeekView *week_view) +{ + if (week_view->clipboard_selection != NULL) { + g_free (week_view->clipboard_selection); + week_view->clipboard_selection = NULL; + } +} + +static void selection_received (GtkWidget *invisible, + GtkSelectionData *selection_data, + guint time, + EWeekView *week_view) +{ + if (selection_data->length < 0 || + selection_data->type != GDK_SELECTION_TYPE_STRING) { + return; + } + + if (week_view->clipboard_selection != NULL) + g_free (week_view->clipboard_selection); + week_view->clipboard_selection = g_strdup ((gchar *) selection_data->data); +} diff --git a/calendar/gui/e-week-view.h b/calendar/gui/e-week-view.h index 7fde751b3f..549a8f789c 100644 --- a/calendar/gui/e-week-view.h +++ b/calendar/gui/e-week-view.h @@ -344,6 +344,10 @@ struct _EWeekView gchar *pm_string; gint am_string_width; gint pm_string_width; + + /* the invisible widget to manage the clipboard selections */ + GtkWidget *invisible; + gchar *clipboard_selection; }; struct _EWeekViewClass -- cgit v1.2.3