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-rw-r--r--widgets/table/e-table-header-item.c1080
1 files changed, 0 insertions, 1080 deletions
diff --git a/widgets/table/e-table-header-item.c b/widgets/table/e-table-header-item.c
deleted file mode 100644
index 966ad257ad..0000000000
--- a/widgets/table/e-table-header-item.c
+++ /dev/null
@@ -1,1080 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-/*
- * E-table-column-view.c: A canvas item based view of the ETableColumn.
- *
- * Author:
- * Miguel de Icaza (miguel@gnu.org)
- *
- * Copyright 1999, Helix Code, Inc.
- */
-#include <config.h>
-#include <gtk/gtksignal.h>
-#include <gtk/gtkdnd.h>
-#include <libgnomeui/gnome-canvas.h>
-#include <libgnomeui/gnome-canvas-util.h>
-#include <libgnomeui/gnome-canvas-polygon.h>
-#include <libgnomeui/gnome-canvas-rect-ellipse.h>
-#include <gdk-pixbuf/gdk-pixbuf.h>
-#include "e-util/e-cursors.h"
-#include "e-util/e-xml-utils.h"
-#include "e-table-header.h"
-#include "e-table-header-item.h"
-#include "e-table-col-dnd.h"
-
-#include "add-col.xpm"
-#include "remove-col.xpm"
-
-/* Padding above and below of the string in the header display */
-#define PADDING 4
-
-#define MIN_ARROW_SIZE 10
-
-#define GROUP_INDENT 10
-
-/* Defines the tolerance for proximity of the column division to the cursor position */
-#define TOLERANCE 2
-
-#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]))
-
-static GnomeCanvasItemClass *ethi_parent_class;
-
-static void ethi_request_redraw (ETableHeaderItem *ethi);
-static void ethi_drop_table_header (ETableHeaderItem *ethi);
-
-
-/*
- * 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_TABLE_X,
- ARG_TABLE_Y,
- ARG_TABLE_FONTSET,
- ARG_SORT_INFO
-};
-
-static GtkTargetEntry ethi_drag_types [] = {
- { TARGET_ETABLE_COL_TYPE, 0, TARGET_ETABLE_COL_HEADER },
-};
-
-static GtkTargetEntry ethi_drop_types [] = {
- { TARGET_ETABLE_COL_TYPE, 0, TARGET_ETABLE_COL_HEADER },
-};
-
-static void
-ethi_destroy (GtkObject *object){
- ETableHeaderItem *ethi = E_TABLE_HEADER_ITEM (object);
-
- ethi_drop_table_header (ethi);
-
- 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));
- }
-
- if (GTK_OBJECT_CLASS (ethi_parent_class)->destroy)
- (*GTK_OBJECT_CLASS (ethi_parent_class)->destroy) (object);
-}
-
-static void
-ethi_update (GnomeCanvasItem *item, double *affine, ArtSVP *clip_path, int flags)
-{
- ETableHeaderItem *ethi = E_TABLE_HEADER_ITEM (item);
-
- if (GNOME_CANVAS_ITEM_CLASS (ethi_parent_class)->update)
- (*GNOME_CANVAS_ITEM_CLASS (ethi_parent_class)->update)(item, affine, clip_path, flags);
-
- if (item->x1 != ethi->x1 ||
- item->y1 != ethi->y1 ||
- item->x2 != ethi->x1 + ethi->width ||
- item->y2 != ethi->y1 + ethi->height)
- {
- gnome_canvas_request_redraw (item->canvas, item->x1, item->y1, item->x2, item->y2);
- item->x1 = ethi->x1;
- item->y1 = ethi->y1;
- item->x2 = ethi->x1 + ethi->width;
- item->y2 = ethi->y1 + ethi->height;
-
- 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_load (ETableHeaderItem *ethi, char *font)
-{
- if (ethi->font)
- gdk_font_unref (ethi->font);
-
- ethi->font = gdk_fontset_load (font);
- if (ethi->font == NULL)
- ethi->font = gdk_font_load ("-adobe-helvetica-medium-r-normal--*-120-*-*-*-*-iso8859-1");
-
- ethi->height = ethi->font->ascent + ethi->font->descent + PADDING;
- if (ethi->height < MIN_ARROW_SIZE + 4 + PADDING)
- ethi->height = MIN_ARROW_SIZE + 4 + PADDING;
-}
-
-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)
-{
- ethi->width = e_table_header_total_width (header) + ethi->group_indent_width;
-
- ethi_update (GNOME_CANVAS_ITEM (ethi), NULL, NULL, 0);
-}
-
-static void
-dimension_changed (ETableHeader *header, int col, ETableHeaderItem *ethi)
-{
- ethi->width = e_table_header_total_width (header) + ethi->group_indent_width;
-
- ethi_update (GNOME_CANVAS_ITEM (ethi), NULL, NULL, 0);
-}
-
-static void
-ethi_add_table_header (ETableHeaderItem *ethi, ETableHeader *header)
-{
- ethi->eth = header;
- gtk_object_ref (GTK_OBJECT (ethi->eth));
- ethi->width = e_table_header_total_width (header) + ethi->group_indent_width;
-
- 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);
-}
-
-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_TABLE_X:
- ethi->x1 = GTK_VALUE_INT (*arg);
- break;
-
- case ARG_TABLE_Y:
- ethi->y1 = GTK_VALUE_INT (*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;
-
- }
- ethi_update (item, NULL, NULL, 0);
-}
-
-static int
-ethi_find_col_by_x (ETableHeaderItem *ethi, int x)
-{
- const int cols = e_table_header_count (ethi->eth);
- int x1 = ethi->x1;
- int col;
-
- if (x < x1)
- return -1;
-
- x1 += ethi->group_indent_width;
-
- for (col = 0; col < cols; col++){
- ETableCol *ecol = e_table_header_get_column (ethi->eth, col);
-
- if ((x >= x1) && (x <= x1 + ecol->width))
- return col;
-
- x1 += ecol->width;
- }
- return -1;
-}
-
-static void
-ethi_remove_drop_marker (ETableHeaderItem *ethi)
-{
- if (ethi->drag_mark == -1)
- return;
-
- ethi->drag_mark = -1;
- gtk_object_destroy (GTK_OBJECT (ethi->drag_mark_item));
- ethi->drag_mark_item = NULL;
-}
-
-static void
-ethi_add_drop_marker (ETableHeaderItem *ethi, int col)
-{
- GnomeCanvasPoints *points;
- int x;
-
- if (ethi->drag_mark == col)
- return;
-
- if (ethi->drag_mark_item)
- gtk_object_destroy (GTK_OBJECT (ethi->drag_mark_item));
-
- ethi->drag_mark = col;
-
- ethi->drag_mark_item = gnome_canvas_item_new (
- GNOME_CANVAS_GROUP (GNOME_CANVAS_ITEM (ethi)->canvas->root),
- gnome_canvas_group_get_type (),
- "x", 0,
- "y", 0,
- NULL);
-
- points = gnome_canvas_points_new (3);
-
- x = e_table_header_col_diff (ethi->eth, 0, col);
-
- if (col > 0)
- x += ethi->group_indent_width;
-
- points->coords [0] = ethi->x1 + x - 5;
- points->coords [1] = ethi->y1;
- points->coords [2] = points->coords [0] + 10;
- points->coords [3] = points->coords [1];
- points->coords [4] = ethi->x1 + x;
- points->coords [5] = ethi->y1 + 5;
-
- gnome_canvas_item_new (
- GNOME_CANVAS_GROUP (ethi->drag_mark_item),
- gnome_canvas_polygon_get_type (),
- "points", points,
- "fill_color", "red",
- NULL);
-
- points->coords [0] --;
- points->coords [1] += ethi->height - 1;
- points->coords [3] = points->coords [1];
- points->coords [5] = points->coords [1] - 6;
-
- gnome_canvas_item_new (
- GNOME_CANVAS_GROUP (ethi->drag_mark_item),
- gnome_canvas_polygon_get_type (),
- "points", points,
- "fill_color", "red",
- NULL);
-
- gnome_canvas_points_unref (points);
-}
-
-#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 = ethi->x1 + (double) e_table_header_col_diff (ethi->eth, 0, ethi->drag_col);
- 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) ethi->y1 + 1,
- "x2", (double) x1 + e_table_header_col_diff (ethi->eth, ethi->drag_col, ethi->drag_col+1) - 2,
- "y2", (double) ethi->y1 + 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;
-}
-
-static gboolean
-ethi_drag_motion (GtkObject *canvas, GdkDragContext *context,
- gint x, gint y, guint time,
- ETableHeaderItem *ethi)
-{
- /* Check if it's the correct ethi */
- if (ethi->drag_col == -1)
- return FALSE;
-
- gdk_drag_status (context, 0, time);
- if (GTK_WIDGET(canvas) == gtk_drag_get_source_widget (context)) {
- if ((x >= ethi->x1) && (x <= (ethi->x1 + ethi->width)) &&
- (y >= ethi->y1) && (y <= (ethi->y1 + ethi->height))){
- int col;
-
- col = ethi_find_col_by_x (ethi, x);
- if (col < ethi->eth->frozen_count)
- col = ethi->eth->frozen_count;
-
- if (col != -1){
- ethi_remove_destroy_marker (ethi);
- ethi_add_drop_marker (ethi, col);
- gdk_drag_status (context, context->suggested_action, time);
- } else {
- ethi_remove_drop_marker (ethi);
- ethi_add_destroy_marker (ethi);
- }
- } else {
- ethi_remove_drop_marker (ethi);
- ethi_add_destroy_marker (ethi);
- }
- }
-
- return TRUE;
-}
-
-static void
-ethi_drag_end (GtkWidget *canvas, GdkDragContext *context, ETableHeaderItem *ethi)
-{
- if (ethi->drag_col == -1)
- return;
-
- if (canvas == gtk_drag_get_source_widget (context)) {
- if (context->action == 0) {
- ethi_request_redraw (ethi);
- e_table_header_remove (ethi->eth, ethi->drag_col);
- }
- ethi_remove_drop_marker (ethi);
- ethi_remove_destroy_marker (ethi);
- ethi->drag_col = -1;
- }
-}
-
-static gboolean
-ethi_drag_drop (GtkWidget *canvas,
- GdkDragContext *context,
- gint x,
- gint y,
- guint time,
- ETableHeaderItem *ethi)
-{
- gboolean successful = FALSE;
-
- if (ethi->drag_col == -1)
- return FALSE;
-
- if (GTK_WIDGET(canvas) == gtk_drag_get_source_widget (context)) {
- if ((x >= ethi->x1) && (x <= (ethi->x1 + ethi->width)) &&
- (y >= ethi->y1) && (y <= (ethi->y1 + ethi->height))){
- int col;
-
- col = ethi_find_col_by_x (ethi, x);
- if (col < ethi->eth->frozen_count)
- col = ethi->eth->frozen_count;
- ethi_add_drop_marker (ethi, col);
-
- if (col != -1) {
- if (col != ethi->drag_col) {
- ethi_request_redraw (ethi);
- e_table_header_move (ethi->eth, ethi->drag_col, col);
- }
- successful = TRUE;
- }
- }
- }
- gtk_drag_finish (context, successful, successful, time);
- return successful;
-}
-
-static void
-ethi_drag_leave (GtkWidget *widget, GdkDragContext *context, guint time, ETableHeaderItem *ethi)
-{
- if (ethi->drag_col == -1)
- return;
-
- if (widget == gtk_drag_get_source_widget (context)) {
- ethi_remove_drop_marker (ethi);
- ethi_add_destroy_marker (ethi);
- }
-}
-
-static void
-ethi_realize (GnomeCanvasItem *item)
-{
- ETableHeaderItem *ethi = E_TABLE_HEADER_ITEM (item);
- GdkWindow *window;
- GdkColor c;
-
- if (GNOME_CANVAS_ITEM_CLASS (ethi_parent_class)-> realize)
- (*GNOME_CANVAS_ITEM_CLASS (ethi_parent_class)->realize)(item);
-
- window = GTK_WIDGET (item->canvas)->window;
-
- ethi->gc = gdk_gc_new (window);
- gnome_canvas_get_color (item->canvas, "black", &c);
- gdk_gc_set_foreground (ethi->gc, &c);
-
- if (!ethi->font)
- ethi_font_load (ethi, "-adobe-helvetica-medium-r-normal--*-120-*-*-*-*-iso8859-1");
-
- /*
- * Now, configure DnD
- */
- gtk_drag_dest_set (GTK_WIDGET (item->canvas), 0,
- ethi_drop_types, ELEMENTS (ethi_drop_types),
- GDK_ACTION_MOVE);
-
- 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_end_id = gtk_signal_connect (
- GTK_OBJECT (item->canvas), "drag_end",
- GTK_SIGNAL_FUNC (ethi_drag_end), ethi);
-
- ethi->drag_drop_id = gtk_signal_connect (
- GTK_OBJECT (item->canvas), "drag_drop",
- GTK_SIGNAL_FUNC (ethi_drag_drop), ethi);
-}
-
-static void
-ethi_unrealize (GnomeCanvasItem *item)
-{
- ETableHeaderItem *ethi = E_TABLE_HEADER_ITEM (item);
-
- gdk_gc_unref (ethi->gc);
- ethi->gc = NULL;
-
- gtk_signal_disconnect (GTK_OBJECT (item->canvas), ethi->drag_motion_id);
- gtk_signal_disconnect (GTK_OBJECT (item->canvas), ethi->drag_end_id);
- gtk_signal_disconnect (GTK_OBJECT (item->canvas), ethi->drag_leave_id);
- gtk_signal_disconnect (GTK_OBJECT (item->canvas), ethi->drag_drop_id);
-
- 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
-draw_button (ETableHeaderItem *ethi, ETableCol *col,
- GdkDrawable *drawable, GdkGC *gc, GtkStyle *style,
- int x, int y, int width, int height, ETableColArrow arrow)
-{
- GdkRectangle clip;
- int xtra;
-
- gdk_draw_rectangle (
- drawable, gc, TRUE,
- x + 1, y + 1, width - 2, height -2);
-
- gtk_draw_shadow (
- style, drawable,
- GTK_STATE_NORMAL, GTK_SHADOW_OUT,
- x , y, width, height);
-
- clip.x = x + PADDING / 2;
- clip.y = y + PADDING / 2;
- clip.width = width - PADDING;
- clip.height = ethi->height;
-
- gdk_gc_set_clip_rectangle (ethi->gc, &clip);
-
- if (col->is_pixbuf){
- xtra = (clip.width - gdk_pixbuf_get_width (col->pixbuf))/2;
-
- xtra += PADDING / 2;
-
- gdk_pixbuf_render_to_drawable_alpha (col->pixbuf,
- drawable,
- 0, 0,
- x + xtra, y + (clip.height - gdk_pixbuf_get_height (col->pixbuf)) / 2,
- gdk_pixbuf_get_width (col->pixbuf), gdk_pixbuf_get_height(col->pixbuf),
- GDK_PIXBUF_ALPHA_FULL, 128,
- GDK_RGB_DITHER_NORMAL,
- 0, 0);
- } else {
- /* Center the thing */
- xtra = (clip.width - gdk_string_measure (ethi->font, col->text))/2;
-
- /* Skip over border */
- if (xtra < 0)
- xtra = 0;
-
- xtra += PADDING / 2;
-
- gdk_draw_text (
- drawable, ethi->font,
- ethi->gc, x + xtra, y + ethi->height - ethi->font->descent - PADDING / 2,
- col->text, strlen (col->text));
- }
-
- switch (arrow){
- case E_TABLE_COL_ARROW_NONE:
- break;
- case E_TABLE_COL_ARROW_UP:
- case E_TABLE_COL_ARROW_DOWN:
- gtk_paint_arrow (gtk_widget_get_style (GTK_WIDGET(GNOME_CANVAS_ITEM(ethi)->canvas)),
- drawable,
- GTK_STATE_NORMAL,
- GTK_SHADOW_IN,
- &clip,
- GTK_WIDGET(GNOME_CANVAS_ITEM(ethi)->canvas),
- "header",
- (arrow == E_TABLE_COL_ARROW_UP) ? GTK_ARROW_UP : GTK_ARROW_DOWN,
- TRUE,
- x + PADDING / 2 + clip.width - MIN_ARROW_SIZE - 2,
- y + (ethi->height - MIN_ARROW_SIZE) / 2,
- MIN_ARROW_SIZE,
- MIN_ARROW_SIZE);
- break;
- }
-}
-
-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;
- GdkGC *gc;
- const int cols = e_table_header_count (ethi->eth);
- int x1, x2;
- int col;
- GHashTable *arrows = g_hash_table_new (NULL, NULL);
- gint group_indent = 0;
-
-#if 0
- printf ("My coords are: %g %g %g %g\n",
- item->x1, item->y1, item->x2, item->y2);
-#endif
-
- 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,
- (gpointer) column.column,
- (gpointer) (column.ascending ?
- E_TABLE_COL_ARROW_DOWN :
- E_TABLE_COL_ARROW_UP));
- }
- 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,
- (gpointer) column.column,
- (gpointer) (column.ascending ?
- E_TABLE_COL_ARROW_DOWN :
- E_TABLE_COL_ARROW_UP));
- }
- }
-
- ethi->group_indent_width = group_indent * GROUP_INDENT;
- ethi->width = e_table_header_total_width (ethi->eth) + ethi->group_indent_width;
- x1 = x2 = ethi->x1;
- 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;
-
- if (col == ethi->resize_col)
- col_width = ethi->resize_width;
- else
- col_width = ecol->width;
-
- x2 += col_width;
-
- if (x1 > (x + width))
- break;
-
- if (x2 < x)
- continue;
-
- gc = GTK_WIDGET (canvas)->style->bg_gc [GTK_STATE_ACTIVE];
-
- draw_button (ethi, ecol, drawable, gc,
- GTK_WIDGET (canvas)->style,
- x1 - x, ethi->y1 - y, x2 - x1, ethi->height,
- (ETableColArrow) g_hash_table_lookup (arrows, (gpointer) 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);
-
- 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)
-{
- GtkWidget *canvas = GTK_WIDGET (GNOME_CANVAS_ITEM (ethi)->canvas);
-
- /* We might be invoked before we are realized */
- if (!canvas->window)
- return;
-
- if (is_pointer_on_division (ethi, pos, NULL, NULL))
- e_cursor_set (canvas->window, E_CURSOR_SIZE_X);
- else
- e_cursor_set (canvas->window, E_CURSOR_ARROW);
-}
-
-static void
-ethi_request_redraw (ETableHeaderItem *ethi)
-{
- GnomeCanvas *canvas = GNOME_CANVAS_ITEM (ethi)->canvas;
-
- /*
- * request a redraw
- */
- gnome_canvas_request_redraw (
- canvas, ethi->x1, ethi->y1, ethi->x1 + ethi->width, ethi->x1 + ethi->height);
-}
-
-static void
-ethi_end_resize (ETableHeaderItem *ethi, int new_size)
-{
- e_table_header_set_size (ethi->eth, ethi->resize_col, new_size);
-
- ethi->resize_col = -1;
- ethi_request_redraw (ethi);
-}
-
-static gboolean
-ethi_maybe_start_drag (ETableHeaderItem *ethi, GdkEventMotion *event)
-{
- if (!ethi->maybe_drag)
- 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;
- GdkGC *gc;
- int group_indent = 0;
- GHashTable *arrows = g_hash_table_new (NULL, NULL);
-
- ethi->drag_col = ethi_find_col_by_x (ethi, event->motion.x);
- if (ethi->drag_col < ethi->eth->frozen_count && ethi->drag_col >= 0){
- ethi->maybe_drag = FALSE;
- ethi->drag_col = -1;
- }
- 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,
- (gpointer) column.column,
- (gpointer) (column.ascending ?
- E_TABLE_COL_ARROW_DOWN :
- E_TABLE_COL_ARROW_UP));
- }
- 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,
- (gpointer) column.column,
- (gpointer) (column.ascending ?
- E_TABLE_COL_ARROW_DOWN :
- E_TABLE_COL_ARROW_UP));
- }
- }
-
- list = gtk_target_list_new (ethi_drag_types, ELEMENTS (ethi_drag_types));
- context = gtk_drag_begin (widget, list, GDK_ACTION_MOVE, 1, event);
-
- ecol = e_table_header_get_column (ethi->eth, ethi->drag_col);
- if (ethi->drag_col == ethi->resize_col)
- col_width = ethi->resize_width;
- else
- col_width = ecol->width;
- pixmap = gdk_pixmap_new (widget->window, col_width, ethi->height, -1);
- gc = widget->style->bg_gc [GTK_STATE_ACTIVE];
- draw_button (ethi, ecol, pixmap, gc,
- widget->style,
- 0, 0, col_width, ethi->height,
- (ETableColArrow) g_hash_table_lookup (arrows, (gpointer) 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);
-}
-
-/*
- * 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;
-
- 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:
- 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;
-
- if (new_width <= 0)
- new_width = 1;
-
- if (new_width < ethi->resize_min_width)
- new_width = ethi->resize_min_width;
- ethi_request_redraw (ethi);
-
- ethi->resize_width = new_width;
- e_table_header_set_size (ethi->eth, ethi->resize_col, ethi->resize_width);
-
- ethi_request_redraw (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:
- convert (canvas, e->button.x, e->button.y, &x, &y);
-
- if (is_pointer_on_division (ethi, x, &start, &col)){
- 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->resizeable)
- break;
- ethi->resize_col = col;
- ethi->resize_width = ecol->width;
- 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;
- }
- }
- break;
-
- case GDK_2BUTTON_PRESS:
- if (!resizing)
- break;
-
- if (e->button.button != 1)
- break;
- break;
-
- case GDK_BUTTON_RELEASE: {
- gboolean needs_ungrab = FALSE;
-
- if (ethi->resize_col != -1){
- needs_ungrab = (ethi->resize_guide != NULL);
- ethi_end_resize (ethi, ethi->resize_width);
- } else if (ethi->maybe_drag && ethi->sort_info) {
- 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, e->button.x));
- 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 (!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;
- ascending = ! ascending;
- column.ascending = ascending;
- e_table_sort_info_sorting_set_nth(ethi->sort_info, i, column);
- found = 1;
- break;
- }
- }
- }
- if (!found) {
- ETableSortColumn column = { model_col, 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);
- }
- }
- if (needs_ungrab)
- gnome_canvas_item_ungrab (item, e->button.time);
-
- ethi->maybe_drag = FALSE;
- 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;
-
- 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::x", GTK_TYPE_INT,
- GTK_ARG_WRITABLE, ARG_TABLE_X);
- gtk_object_add_arg_type ("ETableHeaderItem::y", GTK_TYPE_INT,
- GTK_ARG_WRITABLE, ARG_TABLE_Y);
- 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);
-
- /*
- * 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);
-}
-
-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;
-}
-
-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;
-}
-