/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ /* * e-table-header-item.c * Copyright 1999, 2000, 2001, Ximian, Inc. * * Authors: * Chris Lahey * Miguel de Icaza (miguel@gnu.org) * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License, version 2, as published by the Free Software Foundation. * * 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 * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA * 02111-1307, USA. */ #include #include "e-table-header-item.h" #include #include #include #include #include #include #include #include #include "gal/widgets/e-cursors.h" #include "gal/util/e-i18n.h" #include "gal/util/e-util.h" #include "gal/util/e-xml-utils.h" #include "gal/widgets/e-canvas.h" #include "gal/widgets/e-popup-menu.h" #include "gal/widgets/e-gui-utils.h" #include "e-table-header.h" #include "e-table-header-utils.h" #include "e-table-col-dnd.h" #include "e-table-defines.h" #include "e-table-field-chooser-dialog.h" #include "e-table-config.h" #include "e-table.h" #include "add-col.xpm" #include "remove-col.xpm" #include "arrow-up.xpm" #include "arrow-down.xpm" enum { BUTTON_PRESSED, LAST_SIGNAL }; static guint ethi_signals [LAST_SIGNAL] = { 0, }; #define ARROW_DOWN_HEIGHT 16 #define ARROW_PTR 7 /* Defines the tolerance for proximity of the column division to the cursor position */ #define TOLERANCE 4 #define ETHI_RESIZING(x) ((x)->resize_col != -1) #define PARENT_OBJECT_TYPE gnome_canvas_item_get_type () #define ELEMENTS(x) (sizeof (x) / sizeof (x[0])) #define d(x) static GnomeCanvasItemClass *ethi_parent_class; static void ethi_drop_table_header (ETableHeaderItem *ethi); /* * They display the arrows for the drop location. */ static GtkWidget *arrow_up, *arrow_down; /* * DnD icons */ static GdkColormap *dnd_colormap; static GdkPixmap *remove_col_pixmap, *remove_col_mask; static GdkPixmap *add_col_pixmap, *add_col_mask; enum { ARG_0, ARG_TABLE_HEADER, ARG_FULL_HEADER, ARG_DND_CODE, ARG_TABLE_FONTSET, ARG_SORT_INFO, ARG_TABLE, ARG_TREE }; enum { ET_SCROLL_UP = 1 << 0, ET_SCROLL_DOWN = 1 << 1, ET_SCROLL_LEFT = 1 << 2, ET_SCROLL_RIGHT = 1 << 3 }; static void scroll_off (ETableHeaderItem *ethi); static void scroll_on (ETableHeaderItem *ethi, guint scroll_direction); static void ethi_destroy (GtkObject *object){ ETableHeaderItem *ethi = E_TABLE_HEADER_ITEM (object); ethi_drop_table_header (ethi); scroll_off (ethi); if (ethi->dnd_code) { g_free (ethi->dnd_code); ethi->dnd_code = NULL; } if (ethi->sort_info) { if (ethi->sort_info_changed_id) gtk_signal_disconnect (GTK_OBJECT(ethi->sort_info), ethi->sort_info_changed_id); if (ethi->group_info_changed_id) gtk_signal_disconnect (GTK_OBJECT(ethi->sort_info), ethi->group_info_changed_id); gtk_object_unref (GTK_OBJECT(ethi->sort_info)); ethi->sort_info = NULL; } if (ethi->full_header) gtk_object_unref (GTK_OBJECT(ethi->full_header)); if (ethi->config) gtk_object_destroy (GTK_OBJECT (ethi->config)); if (GTK_OBJECT_CLASS (ethi_parent_class)->destroy) (*GTK_OBJECT_CLASS (ethi_parent_class)->destroy) (object); } static int e_table_header_item_get_height (ETableHeaderItem *ethi) { ETableHeader *eth; int numcols, col; int maxheight; GtkStyle *style; g_return_val_if_fail (ethi != NULL, 0); g_return_val_if_fail (E_IS_TABLE_HEADER_ITEM (ethi), 0); eth = ethi->eth; numcols = e_table_header_count (eth); maxheight = 0; style = GTK_WIDGET (GNOME_CANVAS_ITEM (ethi)->canvas)->style; for (col = 0; col < numcols; col++) { ETableCol *ecol = e_table_header_get_column (eth, col); int height; height = e_table_header_compute_height (ecol, style, ethi->font); if (height > maxheight) maxheight = height; } return maxheight; } static void ethi_update (GnomeCanvasItem *item, double *affine, ArtSVP *clip_path, int flags) { ETableHeaderItem *ethi = E_TABLE_HEADER_ITEM (item); double i2c [6]; ArtPoint c1, c2, i1, i2; if (GNOME_CANVAS_ITEM_CLASS (ethi_parent_class)->update) (*GNOME_CANVAS_ITEM_CLASS (ethi_parent_class)->update)(item, affine, clip_path, flags); if (ethi->sort_info) ethi->group_indent_width = e_table_sort_info_grouping_get_count(ethi->sort_info) * GROUP_INDENT; else ethi->group_indent_width = 0; ethi->width = e_table_header_total_width (ethi->eth) + ethi->group_indent_width; i1.x = i1.y = 0; i2.x = ethi->width; i2.y = ethi->height; gnome_canvas_item_i2c_affine (item, i2c); art_affine_point (&c1, &i1, i2c); art_affine_point (&c2, &i2, i2c); if (item->x1 != c1.x || item->y1 != c1.y || item->x2 != c2.x || item->y2 != c2.y) { gnome_canvas_request_redraw (item->canvas, item->x1, item->y1, item->x2, item->y2); item->x1 = c1.x; item->y1 = c1.y; item->x2 = c2.x; item->y2 = c2.y; gnome_canvas_group_child_bounds (GNOME_CANVAS_GROUP (item->parent), item); } gnome_canvas_request_redraw (item->canvas, item->x1, item->y1, item->x2, item->y2); } static void ethi_font_set (ETableHeaderItem *ethi, GdkFont *font) { if (ethi->font) gdk_font_unref (ethi->font); ethi->font = font; gdk_font_ref (font); ethi->height = e_table_header_item_get_height (ethi); e_canvas_item_request_reflow(GNOME_CANVAS_ITEM(ethi)); } static void ethi_font_load (ETableHeaderItem *ethi, char *fontname) { GdkFont *font = NULL; if (fontname != NULL) font = gdk_fontset_load (fontname); if (font == NULL) { font = GTK_WIDGET (GNOME_CANVAS_ITEM (ethi)->canvas)->style->font; gdk_font_ref (font); } ethi_font_set (ethi, font); gdk_font_unref (font); } static void ethi_drop_table_header (ETableHeaderItem *ethi) { GtkObject *header; if (!ethi->eth) return; header = GTK_OBJECT (ethi->eth); gtk_signal_disconnect (header, ethi->structure_change_id); gtk_signal_disconnect (header, ethi->dimension_change_id); gtk_object_unref (header); ethi->eth = NULL; ethi->width = 0; } static void structure_changed (ETableHeader *header, ETableHeaderItem *ethi) { gnome_canvas_item_request_update(GNOME_CANVAS_ITEM(ethi)); } static void dimension_changed (ETableHeader *header, int col, ETableHeaderItem *ethi) { gnome_canvas_item_request_update(GNOME_CANVAS_ITEM(ethi)); } static void ethi_add_table_header (ETableHeaderItem *ethi, ETableHeader *header) { ethi->eth = header; gtk_object_ref (GTK_OBJECT (ethi->eth)); ethi->height = e_table_header_item_get_height (ethi); ethi->structure_change_id = gtk_signal_connect ( GTK_OBJECT (header), "structure_change", GTK_SIGNAL_FUNC(structure_changed), ethi); ethi->dimension_change_id = gtk_signal_connect ( GTK_OBJECT (header), "dimension_change", GTK_SIGNAL_FUNC(dimension_changed), ethi); e_canvas_item_request_reflow(GNOME_CANVAS_ITEM(ethi)); gnome_canvas_item_request_update (GNOME_CANVAS_ITEM(ethi)); } static void ethi_sort_info_changed (ETableSortInfo *sort_info, ETableHeaderItem *ethi) { gnome_canvas_item_request_update (GNOME_CANVAS_ITEM(ethi)); } static void ethi_set_arg (GtkObject *o, GtkArg *arg, guint arg_id) { GnomeCanvasItem *item; ETableHeaderItem *ethi; item = GNOME_CANVAS_ITEM (o); ethi = E_TABLE_HEADER_ITEM (o); switch (arg_id){ case ARG_TABLE_HEADER: ethi_drop_table_header (ethi); ethi_add_table_header (ethi, E_TABLE_HEADER(GTK_VALUE_OBJECT (*arg))); break; case ARG_FULL_HEADER: if (ethi->full_header) gtk_object_unref(GTK_OBJECT(ethi->full_header)); ethi->full_header = E_TABLE_HEADER(GTK_VALUE_OBJECT (*arg)); if (ethi->full_header) gtk_object_ref(GTK_OBJECT(ethi->full_header)); break; case ARG_DND_CODE: g_free(ethi->dnd_code); ethi->dnd_code = g_strdup (GTK_VALUE_STRING (*arg)); break; case ARG_TABLE_FONTSET: ethi_font_load (ethi, GTK_VALUE_STRING (*arg)); break; case ARG_SORT_INFO: if (ethi->sort_info){ if (ethi->sort_info_changed_id) gtk_signal_disconnect ( GTK_OBJECT(ethi->sort_info), ethi->sort_info_changed_id); if (ethi->group_info_changed_id) gtk_signal_disconnect ( GTK_OBJECT(ethi->sort_info), ethi->group_info_changed_id); gtk_object_unref (GTK_OBJECT(ethi->sort_info)); } ethi->sort_info = GTK_VALUE_POINTER (*arg); gtk_object_ref (GTK_OBJECT(ethi->sort_info)); ethi->sort_info_changed_id = gtk_signal_connect ( GTK_OBJECT(ethi->sort_info), "sort_info_changed", GTK_SIGNAL_FUNC(ethi_sort_info_changed), ethi); ethi->group_info_changed_id = gtk_signal_connect ( GTK_OBJECT(ethi->sort_info), "group_info_changed", GTK_SIGNAL_FUNC(ethi_sort_info_changed), ethi); break; case ARG_TABLE: if (GTK_VALUE_OBJECT(*arg)) ethi->table = E_TABLE(GTK_VALUE_OBJECT(*arg)); else ethi->table = NULL; break; case ARG_TREE: if (GTK_VALUE_OBJECT(*arg)) ethi->tree = E_TREE(GTK_VALUE_OBJECT(*arg)); else ethi->tree = NULL; break; } gnome_canvas_item_request_update(item); } static void ethi_get_arg (GtkObject *o, GtkArg *arg, guint arg_id) { ETableHeaderItem *ethi; ethi = E_TABLE_HEADER_ITEM (o); switch (arg_id){ case ARG_FULL_HEADER: GTK_VALUE_OBJECT (*arg) = GTK_OBJECT (ethi->full_header); break; case ARG_DND_CODE: GTK_VALUE_STRING (*arg) = g_strdup (ethi->dnd_code); break; default: arg->type = GTK_TYPE_INVALID; break; } } static int ethi_find_col_by_x (ETableHeaderItem *ethi, int x) { const int cols = e_table_header_count (ethi->eth); int x1 = 0; int col; d(g_print ("%s:%d: x = %d, x1 = %d\n", __FUNCTION__, __LINE__, x, x1)); x1 += ethi->group_indent_width; if (x < x1) { d(g_print ("%s:%d: Returning 0\n", __FUNCTION__, __LINE__)); return 0; } for (col = 0; col < cols; col++){ ETableCol *ecol = e_table_header_get_column (ethi->eth, col); if ((x >= x1) && (x <= x1 + ecol->width)) { d(g_print ("%s:%d: Returning %d\n", __FUNCTION__, __LINE__, col)); return col; } x1 += ecol->width; } d(g_print ("%s:%d: Returning %d\n", __FUNCTION__, __LINE__, cols - 1)); return cols - 1; } static int ethi_find_col_by_x_nearest (ETableHeaderItem *ethi, int x) { const int cols = e_table_header_count (ethi->eth); int x1 = 0; int col; x1 += ethi->group_indent_width; if (x < x1) return 0; for (col = 0; col < cols; col++){ ETableCol *ecol = e_table_header_get_column (ethi->eth, col); x1 += (ecol->width / 2); if (x <= x1) return col; x1 += (ecol->width + 1) / 2; } return col; } static void ethi_remove_drop_marker (ETableHeaderItem *ethi) { if (ethi->drag_mark == -1) return; gtk_widget_hide (arrow_up); gtk_widget_hide (arrow_down); ethi->drag_mark = -1; } static GtkWidget * make_shaped_window_from_xpm (const char **xpm) { GdkPixbuf *pixbuf; GdkPixmap *pixmap; GdkBitmap *bitmap; GtkWidget *win, *pix; pixbuf = gdk_pixbuf_new_from_xpm_data (xpm); gdk_pixbuf_render_pixmap_and_mask (pixbuf, &pixmap, &bitmap, 128); gdk_pixbuf_unref (pixbuf); gtk_widget_push_visual (gdk_rgb_get_visual ()); gtk_widget_push_colormap (gdk_rgb_get_cmap ()); win = gtk_window_new (GTK_WINDOW_POPUP); pix = gtk_pixmap_new (pixmap, bitmap); gtk_widget_realize (win); gtk_container_add (GTK_CONTAINER (win), pix); gtk_widget_shape_combine_mask (win, bitmap, 0, 0); gtk_widget_pop_visual (); gtk_widget_pop_colormap (); gdk_pixmap_unref (pixmap); gdk_bitmap_unref (bitmap); return win; } static void ethi_add_drop_marker (ETableHeaderItem *ethi, int col, gboolean recreate) { int rx, ry; int x; if (!recreate && ethi->drag_mark == col) return; ethi->drag_mark = col; x = e_table_header_col_diff (ethi->eth, 0, col); if (col > 0) x += ethi->group_indent_width; if (!arrow_up){ arrow_up = make_shaped_window_from_xpm (arrow_up_xpm); arrow_down = make_shaped_window_from_xpm (arrow_down_xpm); } gdk_window_get_origin ( GTK_WIDGET (GNOME_CANVAS_ITEM (ethi)->canvas)->window, &rx, &ry); rx -= gtk_layout_get_hadjustment (GTK_LAYOUT (GNOME_CANVAS_ITEM (ethi)->canvas))->value; ry -= gtk_layout_get_vadjustment (GTK_LAYOUT (GNOME_CANVAS_ITEM (ethi)->canvas))->value; gtk_widget_set_uposition (arrow_down, rx + x - ARROW_PTR, ry - ARROW_DOWN_HEIGHT); gtk_widget_show_all (arrow_down); gtk_widget_set_uposition (arrow_up, rx + x - ARROW_PTR, ry + ethi->height); gtk_widget_show_all (arrow_up); } #define gray50_width 2 #define gray50_height 2 static char gray50_bits [] = { 0x02, 0x01, }; static void ethi_add_destroy_marker (ETableHeaderItem *ethi) { double x1; if (ethi->remove_item) gtk_object_destroy (GTK_OBJECT (ethi->remove_item)); if (!ethi->stipple) ethi->stipple = gdk_bitmap_create_from_data ( NULL, gray50_bits, gray50_width, gray50_height); x1 = (double) e_table_header_col_diff (ethi->eth, 0, ethi->drag_col); if (ethi->drag_col > 0) x1 += ethi->group_indent_width; ethi->remove_item = gnome_canvas_item_new ( GNOME_CANVAS_GROUP (GNOME_CANVAS_ITEM (ethi)->canvas->root), gnome_canvas_rect_get_type (), "x1", x1 + 1, "y1", (double) 1, "x2", (double) x1 + e_table_header_col_diff ( ethi->eth, ethi->drag_col, ethi->drag_col+1) - 2, "y2", (double) ethi->height - 2, "fill_color", "red", "fill_stipple", ethi->stipple, NULL); } static void ethi_remove_destroy_marker (ETableHeaderItem *ethi) { if (!ethi->remove_item) return; gtk_object_destroy (GTK_OBJECT (ethi->remove_item)); ethi->remove_item = NULL; } #if 0 static gboolean moved (ETableHeaderItem *ethi, guint col, guint model_col) { if (col == -1) return TRUE; ecol = e_table_header_get_column (ethi->eth, col); if (ecol->col_idx == model_col) return FALSE; if (col > 0) { ecol = e_table_header_get_column (ethi->eth, col - 1); if (ecol->col_idx == model_col) return FALSE; } return TRUE; } #endif static void do_drag_motion(ETableHeaderItem *ethi, GdkDragContext *context, gint x, gint y, guint time, gboolean recreate) { if ((x >= 0) && (x <= (ethi->width)) && (y >= 0) && (y <= (ethi->height))){ int col; col = ethi_find_col_by_x_nearest (ethi, x); if (ethi->drag_col != -1 && (col == ethi->drag_col || col == ethi->drag_col + 1)) { if (ethi->drag_col != -1) ethi_remove_destroy_marker (ethi); ethi_remove_drop_marker (ethi); gdk_drag_status (context, context->suggested_action, time); } else if (col != -1){ if (ethi->drag_col != -1) ethi_remove_destroy_marker (ethi); ethi_add_drop_marker (ethi, col, recreate); gdk_drag_status (context, context->suggested_action, time); } else { ethi_remove_drop_marker (ethi); if (ethi->drag_col != -1) ethi_add_destroy_marker (ethi); } } else { ethi_remove_drop_marker (ethi); if (ethi->drag_col != -1) ethi_add_destroy_marker (ethi); } } static gboolean scroll_timeout (gpointer data) { ETableHeaderItem *ethi = data; int dx = 0; GtkAdjustment *h, *v; double value; if (ethi->scroll_direction & ET_SCROLL_RIGHT) dx += 20; if (ethi->scroll_direction & ET_SCROLL_LEFT) dx -= 20; h = GTK_LAYOUT(GNOME_CANVAS_ITEM (ethi)->canvas)->hadjustment; v = GTK_LAYOUT(GNOME_CANVAS_ITEM (ethi)->canvas)->vadjustment; value = h->value; gtk_adjustment_set_value(h, CLAMP(h->value + dx, h->lower, h->upper - h->page_size)); if (h->value != value) do_drag_motion(ethi, ethi->last_drop_context, ethi->last_drop_x + h->value, ethi->last_drop_y + v->value, ethi->last_drop_time, TRUE); return TRUE; } static void scroll_on (ETableHeaderItem *ethi, guint scroll_direction) { if (ethi->scroll_idle_id == 0 || scroll_direction != ethi->scroll_direction) { if (ethi->scroll_idle_id != 0) g_source_remove (ethi->scroll_idle_id); ethi->scroll_direction = scroll_direction; ethi->scroll_idle_id = g_timeout_add (100, scroll_timeout, ethi); } } static void scroll_off (ETableHeaderItem *ethi) { if (ethi->scroll_idle_id) { g_source_remove (ethi->scroll_idle_id); ethi->scroll_idle_id = 0; } } static void context_destroyed (gpointer data) { ETableHeaderItem *ethi = data; if (!GTK_OBJECT_DESTROYED (ethi)) { ethi->last_drop_x = 0; ethi->last_drop_y = 0; ethi->last_drop_time = 0; ethi->last_drop_context = NULL; scroll_off (ethi); } gtk_object_unref (GTK_OBJECT (ethi)); } static void context_connect (ETableHeaderItem *ethi, GdkDragContext *context) { if (g_dataset_get_data (context, "e-table-header-item") == NULL) { gtk_object_ref (GTK_OBJECT (ethi)); g_dataset_set_data_full (context, "e-table-header-item", ethi, context_destroyed); } } static gboolean ethi_drag_motion (GtkWidget *widget, GdkDragContext *context, gint x, gint y, guint time, ETableHeaderItem *ethi) { char *droptype, *headertype; guint direction = 0; gdk_drag_status (context, 0, time); droptype = gdk_atom_name (GPOINTER_TO_INT (context->targets->data)); headertype = g_strdup_printf ("%s-%s", TARGET_ETABLE_COL_TYPE, ethi->dnd_code); if (strcmp (droptype, headertype) != 0) { g_free (headertype); return FALSE; } g_free (headertype); x -= widget->allocation.x; y -= widget->allocation.y; if (x < 20) direction |= ET_SCROLL_LEFT; if (x > widget->allocation.width - 20) direction |= ET_SCROLL_RIGHT; ethi->last_drop_x = x; ethi->last_drop_y = y; ethi->last_drop_time = time; ethi->last_drop_context = context; context_connect (ethi, context); do_drag_motion (ethi, context, x + GTK_LAYOUT(widget)->hadjustment->value, y + GTK_LAYOUT(widget)->vadjustment->value, time, FALSE); if (direction != 0) scroll_on (ethi, direction); else scroll_off (ethi); return TRUE; } static void ethi_drag_end (GtkWidget *canvas, GdkDragContext *context, ETableHeaderItem *ethi) { if (context->action == 0) { e_table_header_remove (ethi->eth, ethi->drag_col); gnome_canvas_item_request_update(GNOME_CANVAS_ITEM(ethi)); } ethi_remove_drop_marker (ethi); ethi_remove_destroy_marker (ethi); ethi->drag_col = -1; scroll_off (ethi); } static void ethi_drag_data_received (GtkWidget *canvas, GdkDragContext *drag_context, gint x, gint y, GtkSelectionData *data, guint info, guint time, ETableHeaderItem *ethi) { int found = FALSE; int count; int column; int drop_col; int i; if (data->data) { count = e_table_header_count(ethi->eth); column = atoi(data->data); drop_col = ethi->drop_col; ethi->drop_col = -1; if (column >= 0) { for (i = 0; i < count; i++) { ETableCol *ecol = e_table_header_get_column (ethi->eth, i); if (ecol->col_idx == column) { e_table_header_move(ethi->eth, i, drop_col); found = TRUE; break; } } if (!found) { count = e_table_header_count(ethi->full_header); for (i = 0; i < count; i++) { ETableCol *ecol = e_table_header_get_column (ethi->full_header, i); if (ecol->col_idx == column) { e_table_header_add_column (ethi->eth, ecol, drop_col); break; } } } } } ethi_remove_drop_marker (ethi); gnome_canvas_item_request_update(GNOME_CANVAS_ITEM(ethi)); } static void ethi_drag_data_get (GtkWidget *canvas, GdkDragContext *context, GtkSelectionData *selection_data, guint info, guint time, ETableHeaderItem *ethi) { if (ethi->drag_col != -1) { ETableCol *ecol = e_table_header_get_column (ethi->eth, ethi->drag_col); gchar *string = g_strdup_printf("%d", ecol->col_idx); gtk_selection_data_set(selection_data, GDK_SELECTION_TYPE_STRING, sizeof(string[0]), string, strlen(string)); g_free(string); } } static gboolean ethi_drag_drop (GtkWidget *canvas, GdkDragContext *context, gint x, gint y, guint time, ETableHeaderItem *ethi) { gboolean successful = FALSE; if ((x >= 0) && (x <= (ethi->width)) && (y >= 0) && (y <= (ethi->height))){ int col; col = ethi_find_col_by_x_nearest (ethi, x); ethi_add_drop_marker (ethi, col, FALSE); ethi->drop_col = col; if (col != -1) { char *target = g_strdup_printf ("%s-%s", TARGET_ETABLE_COL_TYPE, ethi->dnd_code); gtk_drag_get_data (canvas, context, gdk_atom_intern(target, FALSE), time); g_free (target); } } gtk_drag_finish (context, successful, successful, time); scroll_off (ethi); return successful; } static void ethi_drag_leave (GtkWidget *widget, GdkDragContext *context, guint time, ETableHeaderItem *ethi) { ethi_remove_drop_marker (ethi); if (ethi->drag_col != -1) ethi_add_destroy_marker (ethi); } static void ethi_realize (GnomeCanvasItem *item) { ETableHeaderItem *ethi = E_TABLE_HEADER_ITEM (item); GdkWindow *window; GtkTargetEntry ethi_drop_types [] = { { TARGET_ETABLE_COL_TYPE, 0, TARGET_ETABLE_COL_HEADER }, }; if (GNOME_CANVAS_ITEM_CLASS (ethi_parent_class)-> realize) (*GNOME_CANVAS_ITEM_CLASS (ethi_parent_class)->realize)(item); window = GTK_WIDGET (item->canvas)->window; if (!ethi->font) ethi_font_set (ethi, GTK_WIDGET (item->canvas)->style->font); /* * Now, configure DnD */ ethi_drop_types[0].target = g_strdup_printf("%s-%s", ethi_drop_types[0].target, ethi->dnd_code); gtk_drag_dest_set (GTK_WIDGET (item->canvas), 0, ethi_drop_types, ELEMENTS (ethi_drop_types), GDK_ACTION_MOVE); g_free(ethi_drop_types[0].target); /* Drop signals */ ethi->drag_motion_id = gtk_signal_connect (GTK_OBJECT (item->canvas), "drag_motion", GTK_SIGNAL_FUNC (ethi_drag_motion), ethi); ethi->drag_leave_id = gtk_signal_connect (GTK_OBJECT (item->canvas), "drag_leave", GTK_SIGNAL_FUNC (ethi_drag_leave), ethi); ethi->drag_drop_id = gtk_signal_connect (GTK_OBJECT (item->canvas), "drag_drop", GTK_SIGNAL_FUNC (ethi_drag_drop), ethi); ethi->drag_data_received_id = gtk_signal_connect (GTK_OBJECT (item->canvas), "drag_data_received", GTK_SIGNAL_FUNC (ethi_drag_data_received), ethi); /* Drag signals */ ethi->drag_end_id = gtk_signal_connect (GTK_OBJECT (item->canvas), "drag_end", GTK_SIGNAL_FUNC (ethi_drag_end), ethi); ethi->drag_data_get_id = gtk_signal_connect (GTK_OBJECT (item->canvas), "drag_data_get", GTK_SIGNAL_FUNC (ethi_drag_data_get), ethi); } static void ethi_unrealize (GnomeCanvasItem *item) { ETableHeaderItem *ethi = E_TABLE_HEADER_ITEM (item); gdk_font_unref (ethi->font); gtk_signal_disconnect (GTK_OBJECT (item->canvas), ethi->drag_motion_id); gtk_signal_disconnect (GTK_OBJECT (item->canvas), ethi->drag_leave_id); gtk_signal_disconnect (GTK_OBJECT (item->canvas), ethi->drag_drop_id); gtk_signal_disconnect (GTK_OBJECT (item->canvas), ethi->drag_data_received_id); gtk_signal_disconnect (GTK_OBJECT (item->canvas), ethi->drag_end_id); gtk_signal_disconnect (GTK_OBJECT (item->canvas), ethi->drag_data_get_id); gtk_drag_dest_unset (GTK_WIDGET (item->canvas)); if (ethi->stipple){ gdk_bitmap_unref (ethi->stipple); ethi->stipple = NULL; } if (GNOME_CANVAS_ITEM_CLASS (ethi_parent_class)->unrealize) (*GNOME_CANVAS_ITEM_CLASS (ethi_parent_class)->unrealize)(item); } static void ethi_draw (GnomeCanvasItem *item, GdkDrawable *drawable, int x, int y, int width, int height) { ETableHeaderItem *ethi = E_TABLE_HEADER_ITEM (item); GnomeCanvas *canvas = item->canvas; const int cols = e_table_header_count (ethi->eth); int x1, x2; int col; GHashTable *arrows = g_hash_table_new (NULL, NULL); if (ethi->sort_info) { int length = e_table_sort_info_grouping_get_count(ethi->sort_info); int i; for (i = 0; i < length; i++) { ETableSortColumn column = e_table_sort_info_grouping_get_nth(ethi->sort_info, i); g_hash_table_insert (arrows, GINT_TO_POINTER (column.column), GINT_TO_POINTER (column.ascending ? E_TABLE_COL_ARROW_UP : E_TABLE_COL_ARROW_DOWN)); } length = e_table_sort_info_sorting_get_count(ethi->sort_info); for (i = 0; i < length; i++) { ETableSortColumn column = e_table_sort_info_sorting_get_nth(ethi->sort_info, i); g_hash_table_insert (arrows, GINT_TO_POINTER (column.column), GINT_TO_POINTER (column.ascending ? E_TABLE_COL_ARROW_UP : E_TABLE_COL_ARROW_DOWN)); } } ethi->width = e_table_header_total_width (ethi->eth) + ethi->group_indent_width; x1 = x2 = 0; x2 += ethi->group_indent_width; for (col = 0; col < cols; col++, x1 = x2){ ETableCol *ecol = e_table_header_get_column (ethi->eth, col); int col_width; col_width = ecol->width; x2 += col_width; if (x1 > (x + width)) break; if (x2 < x) continue; if (x2 <= x1) continue; e_table_header_draw_button (drawable, ecol, GTK_WIDGET (canvas)->style, ethi->font, GTK_WIDGET_STATE (canvas), GTK_WIDGET (canvas), x1 - x, -y, width, height, x2 - x1, ethi->height, (ETableColArrow) g_hash_table_lookup ( arrows, GINT_TO_POINTER (ecol->col_idx))); } g_hash_table_destroy (arrows); } static double ethi_point (GnomeCanvasItem *item, double x, double y, int cx, int cy, GnomeCanvasItem **actual_item) { *actual_item = item; return 0.0; } /* * is_pointer_on_division: * * Returns whether @pos is a column header division; If @the_total is not NULL, * then the actual position is returned here. If @return_ecol is not NULL, * then the ETableCol that actually contains this point is returned here */ static gboolean is_pointer_on_division (ETableHeaderItem *ethi, int pos, int *the_total, int *return_col) { const int cols = e_table_header_count (ethi->eth); int col, total; total = 0; for (col = 0; col < cols; col++){ ETableCol *ecol = e_table_header_get_column (ethi->eth, col); if (col == 0) total += ethi->group_indent_width; total += ecol->width; if ((total - TOLERANCE < pos)&& (pos < total + TOLERANCE)){ if (return_col) *return_col = col; if (the_total) *the_total = total; return TRUE; } if (total > pos + TOLERANCE) return FALSE; } return FALSE; } #define convert(c,sx,sy,x,y) gnome_canvas_w2c (c,sx,sy,x,y) static void set_cursor (ETableHeaderItem *ethi, int pos) { int col; GtkWidget *canvas = GTK_WIDGET (GNOME_CANVAS_ITEM (ethi)->canvas); gboolean resizable = FALSE; /* We might be invoked before we are realized */ if (!canvas->window) return; if (is_pointer_on_division (ethi, pos, NULL, &col)) { int last_col = ethi->eth->col_count - 1; ETableCol *ecol = e_table_header_get_column (ethi->eth, col); /* Last column is not resizable */ if (ecol->resizable && col != last_col) { int c = col + 1; /* Column is not resizable if all columns after it are also not resizable */ for (; c <= last_col; c++){ ETableCol *ecol2; ecol2 = e_table_header_get_column (ethi->eth, c); if (ecol2->resizable) { resizable = TRUE; break; } } } } if (resizable) e_cursor_set (canvas->window, E_CURSOR_SIZE_X); else gdk_window_set_cursor (canvas->window, NULL); /* e_cursor_set (canvas->window, E_CURSOR_ARROW);*/ } static void ethi_end_resize (ETableHeaderItem *ethi) { ethi->resize_col = -1; ethi->resize_guide = GINT_TO_POINTER (0); gnome_canvas_item_request_update (GNOME_CANVAS_ITEM(ethi)); } static gboolean ethi_maybe_start_drag (ETableHeaderItem *ethi, GdkEventMotion *event) { if (!ethi->maybe_drag) return FALSE; if (ethi->eth->col_count < 2) { ethi->maybe_drag = FALSE; return FALSE; } if (MAX (abs (ethi->click_x - event->x), abs (ethi->click_y - event->y)) <= 3) return FALSE; return TRUE; } static void ethi_start_drag (ETableHeaderItem *ethi, GdkEvent *event) { GtkWidget *widget = GTK_WIDGET (GNOME_CANVAS_ITEM (ethi)->canvas); GtkTargetList *list; GdkDragContext *context; ETableCol *ecol; int col_width; GdkPixmap *pixmap; int group_indent = 0; GHashTable *arrows = g_hash_table_new (NULL, NULL); GtkTargetEntry ethi_drag_types [] = { { TARGET_ETABLE_COL_TYPE, 0, TARGET_ETABLE_COL_HEADER }, }; ethi->drag_col = ethi_find_col_by_x (ethi, event->motion.x); if (ethi->drag_col == -1) return; if (ethi->sort_info) { int length = e_table_sort_info_grouping_get_count(ethi->sort_info); int i; for (i = 0; i < length; i++) { ETableSortColumn column = e_table_sort_info_grouping_get_nth( ethi->sort_info, i); group_indent ++; g_hash_table_insert ( arrows, GINT_TO_POINTER (column.column), GINT_TO_POINTER (column.ascending ? E_TABLE_COL_ARROW_UP : E_TABLE_COL_ARROW_DOWN)); } length = e_table_sort_info_sorting_get_count(ethi->sort_info); for (i = 0; i < length; i++) { ETableSortColumn column = e_table_sort_info_sorting_get_nth ( ethi->sort_info, i); g_hash_table_insert ( arrows, GINT_TO_POINTER (column.column), GINT_TO_POINTER (column.ascending ? E_TABLE_COL_ARROW_UP : E_TABLE_COL_ARROW_DOWN)); } } ethi_drag_types[0].target = g_strdup_printf( "%s-%s", ethi_drag_types[0].target, ethi->dnd_code); list = gtk_target_list_new ( ethi_drag_types, ELEMENTS (ethi_drag_types)); context = gtk_drag_begin (widget, list, GDK_ACTION_MOVE, 1, event); g_free(ethi_drag_types[0].target); ecol = e_table_header_get_column (ethi->eth, ethi->drag_col); col_width = ecol->width; pixmap = gdk_pixmap_new (widget->window, col_width, ethi->height, -1); e_table_header_draw_button ( pixmap, ecol, widget->style, ethi->font, GTK_WIDGET_STATE (widget), widget, 0, 0, col_width, ethi->height, col_width, ethi->height, (ETableColArrow) g_hash_table_lookup ( arrows, GINT_TO_POINTER (ecol->col_idx))); gtk_drag_set_icon_pixmap ( context, gdk_window_get_colormap (widget->window), pixmap, NULL, col_width / 2, ethi->height / 2); gdk_pixmap_unref (pixmap); ethi->maybe_drag = FALSE; g_hash_table_destroy (arrows); } typedef struct { ETableHeaderItem *ethi; int col; } EthiHeaderInfo; static void ethi_popup_sort_ascending(GtkWidget *widget, EthiHeaderInfo *info) { ETableCol *col; int model_col; int length; int i; int found = FALSE; ETableHeaderItem *ethi = info->ethi; col = e_table_header_get_column (ethi->eth, info->col); model_col = col->col_idx; length = e_table_sort_info_grouping_get_count(ethi->sort_info); for (i = 0; i < length; i++) { ETableSortColumn column = e_table_sort_info_grouping_get_nth ( ethi->sort_info, i); if (model_col == column.column){ column.ascending = 1; e_table_sort_info_grouping_set_nth ( ethi->sort_info, i, column); found = 1; break; } } if (!found) { length = e_table_sort_info_sorting_get_count ( ethi->sort_info); for (i = 0; i < length; i++) { ETableSortColumn column = e_table_sort_info_sorting_get_nth( ethi->sort_info, i); if (model_col == column.column){ column.ascending = 1; e_table_sort_info_sorting_set_nth ( ethi->sort_info, i, column); found = 1; break; } } } if (!found) { ETableSortColumn column; column.column = model_col; column.ascending = 1; length = e_table_sort_info_sorting_get_count(ethi->sort_info); if (length == 0) length++; e_table_sort_info_sorting_set_nth(ethi->sort_info, length - 1, column); } } static void ethi_popup_sort_descending(GtkWidget *widget, EthiHeaderInfo *info) { ETableCol *col; int model_col; int length; int i; int found = FALSE; ETableHeaderItem *ethi = info->ethi; col = e_table_header_get_column (ethi->eth, info->col); model_col = col->col_idx; length = e_table_sort_info_grouping_get_count(ethi->sort_info); for (i = 0; i < length; i++) { ETableSortColumn column = e_table_sort_info_grouping_get_nth( ethi->sort_info, i); if (model_col == column.column){ column.ascending = 0; e_table_sort_info_grouping_set_nth( ethi->sort_info, i, column); found = 1; break; } } if (!found) { length = e_table_sort_info_sorting_get_count (ethi->sort_info); for (i = 0; i < length; i++) { ETableSortColumn column = e_table_sort_info_sorting_get_nth( ethi->sort_info, i); if (model_col == column.column){ column.ascending = 0; e_table_sort_info_sorting_set_nth ( ethi->sort_info, i, column); found = 1; break; } } } if (!found) { ETableSortColumn column; column.column = model_col; column.ascending = 0; length = e_table_sort_info_sorting_get_count (ethi->sort_info); if (length == 0) length++; e_table_sort_info_sorting_set_nth ( ethi->sort_info, length - 1, column); } } static void ethi_popup_unsort(GtkWidget *widget, EthiHeaderInfo *info) { ETableHeaderItem *ethi = info->ethi; e_table_sort_info_grouping_truncate(ethi->sort_info, 0); e_table_sort_info_sorting_truncate(ethi->sort_info, 0); } static void ethi_popup_group_field(GtkWidget *widget, EthiHeaderInfo *info) { ETableCol *col; int model_col; ETableHeaderItem *ethi = info->ethi; ETableSortColumn column; col = e_table_header_get_column (ethi->eth, info->col); model_col = col->col_idx; column.column = model_col; column.ascending = 1; e_table_sort_info_grouping_set_nth(ethi->sort_info, 0, column); e_table_sort_info_grouping_truncate(ethi->sort_info, 1); } static void ethi_popup_group_box(GtkWidget *widget, EthiHeaderInfo *info) { } static void ethi_popup_remove_column(GtkWidget *widget, EthiHeaderInfo *info) { e_table_header_remove(info->ethi->eth, info->col); } static void ethi_popup_field_chooser(GtkWidget *widget, EthiHeaderInfo *info) { GtkWidget *etfcd = e_table_field_chooser_dialog_new(); gtk_object_set(GTK_OBJECT(etfcd), "full_header", info->ethi->full_header, "header", info->ethi->eth, "dnd_code", info->ethi->dnd_code, NULL); gtk_widget_show(etfcd); } static void ethi_popup_alignment(GtkWidget *widget, EthiHeaderInfo *info) { } static void ethi_popup_best_fit(GtkWidget *widget, EthiHeaderInfo *info) { ETableHeaderItem *ethi = info->ethi; int width; gtk_signal_emit_by_name (GTK_OBJECT (ethi->eth), "request_width", info->col, &width); /* Add 10 to stop it from "..."ing */ e_table_header_set_size (ethi->eth, info->col, width + 10); gnome_canvas_item_request_update (GNOME_CANVAS_ITEM(ethi)); } static void ethi_popup_format_columns(GtkWidget *widget, EthiHeaderInfo *info) { } static void config_destroyed (GtkObject *object, ETableHeaderItem *ethi) { ethi->config = NULL; } static void apply_changes (ETableConfig *config, ETableHeaderItem *ethi) { char *state = e_table_state_save_to_string (config->state); if (ethi->table) e_table_set_state (ethi->table, state); if (ethi->tree) e_tree_set_state (ethi->tree, state); g_free (state); } static void ethi_popup_customize_view(GtkWidget *widget, EthiHeaderInfo *info) { ETableHeaderItem *ethi = info->ethi; ETableState *state; ETableSpecification *spec; if (ethi->config) e_table_config_raise (E_TABLE_CONFIG (ethi->config)); else { if (ethi->table) { state = e_table_get_state_object(ethi->table); spec = ethi->table->spec; } else if (ethi->tree) { state = e_tree_get_state_object(ethi->tree); spec = e_tree_get_spec (ethi->tree); } else return; ethi->config = e_table_config_new ( _("Customize Current View"), spec, state); gtk_signal_connect ( GTK_OBJECT (ethi->config), "destroy", GTK_SIGNAL_FUNC (config_destroyed), ethi); gtk_signal_connect ( GTK_OBJECT (ethi->config), "changed", GTK_SIGNAL_FUNC (apply_changes), ethi); } } static void free_popup_info (GtkWidget *w, EthiHeaderInfo *info) { g_free (info); } /* Bit 1 is always disabled. */ /* Bit 2 is disabled if not "sortable". */ /* Bit 4 is disabled if we don't have a pointer to our table object. */ static EPopupMenu ethi_context_menu [] = { E_POPUP_ITEM (N_("Sort Ascending"), GTK_SIGNAL_FUNC(ethi_popup_sort_ascending), 2), E_POPUP_ITEM (N_("Sort Descending"), GTK_SIGNAL_FUNC(ethi_popup_sort_descending), 2), E_POPUP_ITEM (N_("Unsort"), GTK_SIGNAL_FUNC(ethi_popup_unsort), 0), E_POPUP_SEPARATOR, E_POPUP_ITEM (N_("Group By This Field"), GTK_SIGNAL_FUNC(ethi_popup_group_field), 16), E_POPUP_ITEM (N_("Group By Box"), GTK_SIGNAL_FUNC(ethi_popup_group_box), 128), E_POPUP_SEPARATOR, E_POPUP_ITEM (N_("Remove This Column"), GTK_SIGNAL_FUNC(ethi_popup_remove_column), 8), E_POPUP_ITEM (N_("Add a Column..."), GTK_SIGNAL_FUNC(ethi_popup_field_chooser), 0), E_POPUP_SEPARATOR, E_POPUP_ITEM (N_("Alignment"), GTK_SIGNAL_FUNC(ethi_popup_alignment), 128), E_POPUP_ITEM (N_("Best Fit"), GTK_SIGNAL_FUNC(ethi_popup_best_fit), 2), E_POPUP_ITEM (N_("Format Columns..."), GTK_SIGNAL_FUNC(ethi_popup_format_columns), 128), E_POPUP_SEPARATOR, E_POPUP_ITEM (N_("Customize Current View..."), GTK_SIGNAL_FUNC(ethi_popup_customize_view), 4), E_POPUP_TERMINATOR }; static void ethi_header_context_menu (ETableHeaderItem *ethi, GdkEventButton *event) { EthiHeaderInfo *info = g_new(EthiHeaderInfo, 1); ETableCol *col; GtkMenu *popup; info->ethi = ethi; info->col = ethi_find_col_by_x (ethi, event->x); col = e_table_header_get_column (ethi->eth, info->col); popup = e_popup_menu_create (ethi_context_menu, 1 + (col->sortable ? 0 : 2) + ((ethi->table || ethi->tree) ? 0 : 4) + ((e_table_header_count (ethi->eth) > 1) ? 0 : 8), ((e_table_sort_info_get_can_group (ethi->sort_info)) ? 0 : 16) + 128, info); gtk_signal_connect (GTK_OBJECT (popup), "selection-done", GTK_SIGNAL_FUNC (free_popup_info), info); e_popup_menu (popup, (GdkEvent *) event); } static void ethi_button_pressed (ETableHeaderItem *ethi, GdkEventButton *event) { gtk_signal_emit (GTK_OBJECT (ethi), ethi_signals [BUTTON_PRESSED], event); } static void ethi_change_sort_state (ETableHeaderItem *ethi, gdouble x) { ETableCol *col; int model_col; int length; int i; int found = FALSE; col = e_table_header_get_column (ethi->eth, ethi_find_col_by_x (ethi, x)); if (col == NULL) return; model_col = col->col_idx; length = e_table_sort_info_grouping_get_count(ethi->sort_info); for (i = 0; i < length; i++) { ETableSortColumn column = e_table_sort_info_grouping_get_nth(ethi->sort_info, i); if (model_col == column.column){ int ascending = column.ascending; ascending = ! ascending; column.ascending = ascending; e_table_sort_info_grouping_set_nth(ethi->sort_info, i, column); found = 1; break; } } if (!col->sortable) return; if (!found) { length = e_table_sort_info_sorting_get_count(ethi->sort_info); for (i = 0; i < length; i++) { ETableSortColumn column = e_table_sort_info_sorting_get_nth(ethi->sort_info, i); if (model_col == column.column){ int ascending = column.ascending; if (ascending == 0){ /* * This means the user has clicked twice * already, lets kill sorting now. */ e_table_sort_info_sorting_truncate (ethi->sort_info, i); } else { ascending = !ascending; column.ascending = ascending; e_table_sort_info_sorting_set_nth(ethi->sort_info, i, column); } found = 1; break; } } } if (!found) { ETableSortColumn column; column.column = model_col; column.ascending = 1; length = e_table_sort_info_sorting_get_count(ethi->sort_info); if (length == 0) length++; e_table_sort_info_sorting_set_nth(ethi->sort_info, length - 1, column); } } /* * Handles the events on the ETableHeaderItem, particularly it handles resizing */ static int ethi_event (GnomeCanvasItem *item, GdkEvent *e) { ETableHeaderItem *ethi = E_TABLE_HEADER_ITEM (item); GnomeCanvas *canvas = item->canvas; const gboolean resizing = ETHI_RESIZING (ethi); int x, y, start, col; int was_maybe_drag = 0; switch (e->type){ case GDK_ENTER_NOTIFY: convert (canvas, e->crossing.x, e->crossing.y, &x, &y); set_cursor (ethi, x); break; case GDK_LEAVE_NOTIFY: gdk_window_set_cursor (GTK_WIDGET (canvas)->window, NULL); /* e_cursor_set (GTK_WIDGET (canvas)->window, E_CURSOR_ARROW);*/ break; case GDK_MOTION_NOTIFY: convert (canvas, e->motion.x, e->motion.y, &x, &y); if (resizing){ int new_width; if (ethi->resize_guide == NULL){ /* Quick hack until I actually bind the views */ ethi->resize_guide = GINT_TO_POINTER (1); gnome_canvas_item_grab (item, GDK_POINTER_MOTION_MASK | GDK_BUTTON_RELEASE_MASK, e_cursor_get (E_CURSOR_SIZE_X), e->button.time); } new_width = x - ethi->resize_start_pos; e_table_header_set_size (ethi->eth, ethi->resize_col, new_width); gnome_canvas_item_request_update (GNOME_CANVAS_ITEM(ethi)); } else if (ethi_maybe_start_drag (ethi, &e->motion)){ ethi_start_drag (ethi, e); } else set_cursor (ethi, x); break; case GDK_BUTTON_PRESS: if (e->button.button > 3) return FALSE; convert (canvas, e->button.x, e->button.y, &x, &y); if (is_pointer_on_division (ethi, x, &start, &col) && e->button.button == 1){ ETableCol *ecol; /* * Record the important bits. * * By setting resize_pos to a non -1 value, * we know that we are being resized (used in the * other event handlers). */ ecol = e_table_header_get_column (ethi->eth, col); if (!ecol->resizable) break; ethi->resize_col = col; ethi->resize_start_pos = start - ecol->width; ethi->resize_min_width = ecol->min_width; } else { if (e->button.button == 1){ ethi->click_x = e->button.x; ethi->click_y = e->button.y; ethi->maybe_drag = TRUE; } else if (e->button.button == 3){ ethi_header_context_menu (ethi, &e->button); } else ethi_button_pressed (ethi, &e->button); } break; case GDK_2BUTTON_PRESS: if (!resizing) break; if (e->button.button != 1) break; else { int width = 0; gtk_signal_emit_by_name (GTK_OBJECT (ethi->eth), "request_width", (int)ethi->resize_col, &width); /* Add 10 to stop it from "..."ing */ e_table_header_set_size (ethi->eth, ethi->resize_col, width + 10); gnome_canvas_item_request_update (GNOME_CANVAS_ITEM(ethi)); ethi->maybe_drag = FALSE; } break; case GDK_BUTTON_RELEASE: { gboolean needs_ungrab = FALSE; was_maybe_drag = ethi->maybe_drag; ethi->maybe_drag = FALSE; if (ethi->resize_col != -1){ needs_ungrab = (ethi->resize_guide != NULL); ethi_end_resize (ethi); } else if (was_maybe_drag && ethi->sort_info) ethi_change_sort_state (ethi, e->button.x); if (needs_ungrab) gnome_canvas_item_ungrab (item, e->button.time); break; } default: return FALSE; } return TRUE; } static void ethi_class_init (GtkObjectClass *object_class) { GnomeCanvasItemClass *item_class = (GnomeCanvasItemClass *) object_class; ethi_parent_class = gtk_type_class (PARENT_OBJECT_TYPE); object_class->destroy = ethi_destroy; object_class->set_arg = ethi_set_arg; object_class->get_arg = ethi_get_arg; item_class->update = ethi_update; item_class->realize = ethi_realize; item_class->unrealize = ethi_unrealize; item_class->draw = ethi_draw; item_class->point = ethi_point; item_class->event = ethi_event; gtk_object_add_arg_type ("ETableHeaderItem::ETableHeader", GTK_TYPE_OBJECT, GTK_ARG_WRITABLE, ARG_TABLE_HEADER); gtk_object_add_arg_type ("ETableHeaderItem::full_header", GTK_TYPE_OBJECT, GTK_ARG_READWRITE, ARG_FULL_HEADER); gtk_object_add_arg_type ("ETableHeaderItem::dnd_code", GTK_TYPE_STRING, GTK_ARG_READWRITE, ARG_DND_CODE); gtk_object_add_arg_type ("ETableHeaderItem::fontset", GTK_TYPE_STRING, GTK_ARG_WRITABLE, ARG_TABLE_FONTSET); gtk_object_add_arg_type ("ETableHeaderItem::sort_info", GTK_TYPE_OBJECT, GTK_ARG_WRITABLE, ARG_SORT_INFO); gtk_object_add_arg_type ("ETableHeaderItem::table", GTK_TYPE_OBJECT, GTK_ARG_WRITABLE, ARG_TABLE); gtk_object_add_arg_type ("ETableHeaderItem::tree", E_TREE_TYPE, GTK_ARG_WRITABLE, ARG_TREE); /* * Create our pixmaps for DnD */ dnd_colormap = gtk_widget_get_default_colormap (); remove_col_pixmap = gdk_pixmap_colormap_create_from_xpm_d ( NULL, dnd_colormap, &remove_col_mask, NULL, remove_col_xpm); add_col_pixmap = gdk_pixmap_colormap_create_from_xpm_d ( NULL, dnd_colormap, &add_col_mask, NULL, add_col_xpm); ethi_signals [BUTTON_PRESSED] = gtk_signal_new ("button_pressed", GTK_RUN_LAST, E_OBJECT_CLASS_TYPE (object_class), GTK_SIGNAL_OFFSET (ETableHeaderItemClass, button_pressed), gtk_marshal_NONE__POINTER, GTK_TYPE_NONE, 1, GTK_TYPE_GDK_EVENT); E_OBJECT_CLASS_ADD_SIGNALS (object_class, ethi_signals, LAST_SIGNAL); } static void ethi_init (GnomeCanvasItem *item) { ETableHeaderItem *ethi = E_TABLE_HEADER_ITEM (item); ethi->resize_col = -1; item->x1 = 0; item->y1 = 0; item->x2 = 0; item->y2 = 0; ethi->drag_col = -1; ethi->drag_mark = -1; ethi->sort_info = NULL; ethi->sort_info_changed_id = 0; ethi->group_info_changed_id = 0; ethi->group_indent_width = 0; ethi->table = NULL; ethi->tree = NULL; } GtkType e_table_header_item_get_type (void) { static GtkType type = 0; if (!type){ GtkTypeInfo info = { "ETableHeaderItem", sizeof (ETableHeaderItem), sizeof (ETableHeaderItemClass), (GtkClassInitFunc) ethi_class_init, (GtkObjectInitFunc) ethi_init, NULL, /* reserved 1 */ NULL, /* reserved 2 */ (GtkClassInitFunc) NULL }; type = gtk_type_unique (PARENT_OBJECT_TYPE, &info); } return type; }