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-rw-r--r--widgets/e-table/e-table-item.c1557
1 files changed, 0 insertions, 1557 deletions
diff --git a/widgets/e-table/e-table-item.c b/widgets/e-table/e-table-item.c
deleted file mode 100644
index 39af0e5193..0000000000
--- a/widgets/e-table/e-table-item.c
+++ /dev/null
@@ -1,1557 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-/*
- * E-table-item.c: A GnomeCanvasItem that is a view of an ETableModel.
- *
- * Author:
- * Miguel de Icaza (miguel@gnu.org)
- *
- * Copyright 1999, Helix Code, Inc.
- *
- * TODO:
- * Add a border to the thing, so that focusing works properly.
- *
- */
-#include <config.h>
-#include <stdio.h>
-#include <gtk/gtksignal.h>
-#include <gdk/gdkkeysyms.h>
-#include <math.h>
-#include "e-table-item.h"
-#include "e-cell.h"
-#include "e-util/e-canvas.h"
-
-#define PARENT_OBJECT_TYPE gnome_canvas_item_get_type ()
-
-#define FOCUSED_BORDER 2
-
-static GnomeCanvasItemClass *eti_parent_class;
-
-enum {
- ROW_SELECTION,
- LAST_SIGNAL
-};
-
-static gint eti_signals [LAST_SIGNAL] = { 0, };
-
-enum {
- ARG_0,
- ARG_TABLE_HEADER,
- ARG_TABLE_MODEL,
- ARG_TABLE_DRAW_GRID,
- ARG_TABLE_DRAW_FOCUS,
- ARG_MODE_SPREADSHEET,
- ARG_LENGTH_THRESHOLD,
-
- ARG_MINIMUM_WIDTH,
- ARG_WIDTH,
- ARG_HEIGHT,
- ARG_HAS_FOCUS,
-};
-
-static int eti_get_height (ETableItem *eti);
-static int eti_get_minimum_width (ETableItem *eti);
-static int eti_row_height (ETableItem *eti, int row);
-#define ETI_ROW_HEIGHT(eti,row) ((eti)->height_cache && (eti)->height_cache[(row)] != -1 ? (eti)->height_cache[(row)] : eti_row_height((eti),(row)))
-
-static gboolean
-eti_editing (ETableItem *eti)
-{
- if (eti->editing_col == -1)
- return FALSE;
- else
- return TRUE;
-}
-
-/*
- * During realization, we have to invoke the per-ecell realize routine
- * (On our current setup, we have one e-cell per column.
- *
- * We might want to optimize this to only realize the unique e-cells:
- * ie, a strings-only table, uses the same e-cell for every column, and
- * we might want to avoid realizing each e-cell.
- */
-static void
-eti_realize_cell_views (ETableItem *eti)
-{
- int i;
-
- for (i = 0; i < eti->n_cells; i++)
- e_cell_realize (eti->cell_views [i]);
- eti->cell_views_realized = 1;
-}
-
-static void
-eti_attach_cell_views (ETableItem *eti)
-{
- int i;
-
- g_assert (eti->header);
- g_assert (eti->table_model);
-
- /*
- * Now realize the various ECells
- */
- eti->n_cells = eti->cols;
- eti->cell_views = g_new (ECellView *, eti->n_cells);
-
- for (i = 0; i < eti->n_cells; i++){
- ETableCol *col = e_table_header_get_column (eti->header, i);
-
- eti->cell_views [i] = e_cell_new_view (col->ecell, eti->table_model, eti);
- }
-
- eti->needs_compute_height = 1;
- e_canvas_item_request_reflow (GNOME_CANVAS_ITEM (eti));
- eti->needs_redraw = 1;
- gnome_canvas_item_request_update (GNOME_CANVAS_ITEM (eti));
-}
-
-/*
- * During unrealization: we invoke every e-cell (one per column in the current
- * setup) to dispose all X resources allocated
- */
-static void
-eti_unrealize_cell_views (ETableItem *eti)
-{
- int i;
-
- if (eti->cell_views_realized == 0)
- return;
-
- for (i = 0; i < eti->n_cells; i++)
- e_cell_unrealize (eti->cell_views [i]);
- eti->cell_views_realized = 0;
-}
-
-static void
-eti_detach_cell_views (ETableItem *eti)
-{
- int i;
-
- for (i = 0; i < eti->n_cells; i++){
- e_cell_kill_view (eti->cell_views [i]);
- eti->cell_views [i] = NULL;
- }
-
- g_free (eti->cell_views);
- eti->cell_views = NULL;
- eti->n_cells = 0;
-}
-
-static void
-eti_bounds (GnomeCanvasItem *item, double *x1, double *y1, double *x2, double *y2)
-{
- double i2c [6];
- ArtPoint c1, c2, i1, i2;
- ETableItem *eti = E_TABLE_ITEM (item);
-
- /* Wrong BBox's are the source of redraw nightmares */
-
- gnome_canvas_item_i2c_affine (GNOME_CANVAS_ITEM (eti), i2c);
-
- i1.x = eti->x1;
- i1.y = eti->y1;
- i2.x = eti->x1 + eti->width;
- i2.y = eti->y1 + eti->height;
- art_affine_point (&c1, &i1, i2c);
- art_affine_point (&c2, &i2, i2c);
-
- *x1 = c1.x;
- *y1 = c1.y;
- *x2 = c2.x + 1;
- *y2 = c2.y + 1;
-}
-
-static void
-eti_reflow (GnomeCanvasItem *item, gint flags)
-{
- ETableItem *eti = E_TABLE_ITEM (item);
-
- if (eti->needs_compute_height) {
- int new_height = eti_get_height (eti);
-
- if (new_height != eti->height) {
- eti->height = new_height;
- e_canvas_item_request_parent_reflow (GNOME_CANVAS_ITEM (eti));
- eti->needs_redraw = 1;
- gnome_canvas_item_request_update (GNOME_CANVAS_ITEM (eti));
- }
- eti->needs_compute_height = 0;
- }
- if (eti->needs_compute_width) {
- int new_width = eti_get_minimum_width (eti);
- new_width = MAX(new_width, eti->minimum_width);
- if (new_width != eti->width) {
- eti->width = new_width;
- e_canvas_item_request_parent_reflow (GNOME_CANVAS_ITEM (eti));
- eti->needs_redraw = 1;
- gnome_canvas_item_request_update (GNOME_CANVAS_ITEM (eti));
- }
- eti->needs_compute_width = 0;
- }
-}
-
-/*
- * GnomeCanvasItem::update method
- */
-static void
-eti_update (GnomeCanvasItem *item, double *affine, ArtSVP *clip_path, int flags)
-{
- ArtPoint o1, o2;
- ETableItem *eti = E_TABLE_ITEM (item);
-
- if (GNOME_CANVAS_ITEM_CLASS (eti_parent_class)->update)
- (*GNOME_CANVAS_ITEM_CLASS (eti_parent_class)->update)(item, affine, clip_path, flags);
-
- o1.x = item->x1;
- o1.y = item->y1;
- o2.x = item->x2;
- o2.y = item->y2;
-
- eti_bounds (item, &item->x1, &item->y1, &item->x2, &item->y2);
- if (item->x1 != o1.x ||
- item->y1 != o1.y ||
- item->x2 != o2.x ||
- item->y2 != o2.y) {
- gnome_canvas_request_redraw (item->canvas, o1.x, o1.y, o2.x, o2.y);
- eti->needs_redraw = 1;
- }
-
- if (eti->needs_redraw) {
- gnome_canvas_request_redraw (item->canvas, item->x1, item->y1,
- item->x2, item->y2);
- eti->needs_redraw = 0;
- }
-}
-
-/*
- * eti_remove_table_model:
- *
- * Invoked to release the table model associated with this ETableItem
- */
-static void
-eti_remove_table_model (ETableItem *eti)
-{
- if (!eti->table_model)
- return;
-
- gtk_signal_disconnect (GTK_OBJECT (eti->table_model),
- eti->table_model_change_id);
- gtk_signal_disconnect (GTK_OBJECT (eti->table_model),
- eti->table_model_row_change_id);
- gtk_signal_disconnect (GTK_OBJECT (eti->table_model),
- eti->table_model_cell_change_id);
- gtk_signal_disconnect (GTK_OBJECT (eti->table_model),
- eti->table_model_row_inserted_id);
- gtk_signal_disconnect (GTK_OBJECT (eti->table_model),
- eti->table_model_row_deleted_id);
- gtk_object_unref (GTK_OBJECT (eti->table_model));
-
- eti->table_model_change_id = 0;
- eti->table_model_row_change_id = 0;
- eti->table_model_cell_change_id = 0;
- eti->table_model_row_inserted_id = 0;
- eti->table_model_row_deleted_id = 0;
- eti->table_model = NULL;
-}
-
-/*
- * eti_remove_header_model:
- *
- * Invoked to release the header model associated with this ETableItem
- */
-static void
-eti_remove_header_model (ETableItem *eti)
-{
- if (!eti->header)
- return;
-
- gtk_signal_disconnect (GTK_OBJECT (eti->header),
- eti->header_structure_change_id);
- gtk_signal_disconnect (GTK_OBJECT (eti->header),
- eti->header_dim_change_id);
-
- if (eti->cell_views){
- eti_unrealize_cell_views (eti);
- eti_detach_cell_views (eti);
- }
- gtk_object_unref (GTK_OBJECT (eti->header));
-
-
- eti->header_structure_change_id = 0;
- eti->header_dim_change_id = 0;
- eti->header = NULL;
-}
-
-/*
- * eti_row_height_real:
- *
- * Returns the height used by row @row. This does not include the one-pixel
- * used as a separator between rows
- */
-static int
-eti_row_height_real (ETableItem *eti, int row)
-{
- const int cols = e_table_header_count (eti->header);
- int col;
- int h, max_h;
-
- g_assert (eti->cell_views);
-
- max_h = 0;
-
- for (col = 0; col < cols; col++){
- ETableCol *ecol = e_table_header_get_column (eti->header, col);
-
- h = e_cell_height (eti->cell_views [col], ecol->col_idx, col, row);
-
- if (h > max_h)
- max_h = h;
- }
- return max_h;
-}
-
-static gboolean
-height_cache_idle(ETableItem *eti)
-{
- int changed = 0;
- int i;
- if (!eti->height_cache) {
- eti->height_cache = g_new(int, eti->rows);
- }
- for (i = eti->height_cache_idle_count; i < eti->rows; i++) {
- if (eti->height_cache[i] == -1) {
- eti_row_height(eti, i);
- changed ++;
- if (changed >= 20)
- break;
- }
- }
- if (changed >= 20) {
- eti->height_cache_idle_count = i;
- return TRUE;
- }
- eti->height_cache_idle_id = 0;
- return FALSE;
-}
-
-static void
-free_height_cache (ETableItem *eti)
-{
- if (eti->height_cache)
- g_free (eti->height_cache);
- eti->height_cache = NULL;
- eti->height_cache_idle_count = 0;
-
- if (eti->height_cache_idle_id == 0)
- eti->height_cache_idle_id = g_idle_add_full(G_PRIORITY_LOW, (GSourceFunc) height_cache_idle, eti, NULL);
-}
-
-static void
-calculate_height_cache (ETableItem *eti)
-{
- int i;
- free_height_cache(eti);
- eti->height_cache = g_new(int, eti->rows);
- for (i = 0; i < eti->rows; i++) {
- eti->height_cache[i] = -1;
- }
-}
-
-
-/*
- * eti_row_height:
- *
- * Returns the height used by row @row. This does not include the one-pixel
- * used as a separator between rows
- */
-static int
-eti_row_height (ETableItem *eti, int row)
-{
- if (!eti->height_cache) {
- calculate_height_cache (eti);
- }
- if (eti->height_cache[row] == -1) {
- eti->height_cache[row] = eti_row_height_real(eti, row);
- if (row > 0 &&
- eti->length_threshold != -1 &&
- eti->rows > eti->length_threshold &&
- eti->height_cache[row] != eti_row_height(eti, 0)) {
- eti->needs_compute_height = 1;
- e_canvas_item_request_reflow(GNOME_CANVAS_ITEM(eti));
- }
- }
- return eti->height_cache[row];
-}
-
-/*
- * eti_get_height:
- *
- * Returns the height of the ETableItem.
- *
- * The ETableItem might compute the whole height by asking every row its
- * size. There is a special mode (designed to work when there are too
- * many rows in the table that performing the previous step could take
- * too long) set by the ETableItem->length_threshold that would determine
- * when the height is computed by using the first row as the size for
- * every other row in the ETableItem.
- */
-static int
-eti_get_height (ETableItem *eti)
-{
- const int rows = eti->rows;
- int row;
- int height;
-
- if (rows == 0)
- return 0;
-
- if (eti->length_threshold != -1){
- if (rows > eti->length_threshold){
- int row_height = eti_row_height(eti, 0);
- if (eti->height_cache) {
- height = 0;
- for (row = 0; row < rows; row++) {
- if (eti->height_cache[row] == -1) {
- height += (row_height + 1) * (rows - row);
- break;
- }
- else
- height += eti->height_cache[row] + 1;
- }
- } else
- height = (eti_row_height (eti, 0) + 1) * rows;
-
- /*
- * 1 pixel at the top
- */
- return height + 1;
- }
- }
-
- height = 1;
- for (row = 0; row < rows; row++)
- height += eti_row_height (eti, row) + 1;
-
- return height;
-}
-
-static int
-eti_get_minimum_width (ETableItem *eti)
-{
- int width = 0;
- int col;
- for (col = 0; col < eti->cols; col++){
- ETableCol *ecol = e_table_header_get_column (eti->header, col);
-
- width += ecol->min_width;
- }
- return width;
-}
-
-static void
-eti_item_region_redraw (ETableItem *eti, int x0, int y0, int x1, int y1)
-{
- GnomeCanvasItem *item = GNOME_CANVAS_ITEM (eti);
- ArtDRect rect;
- double i2c [6];
-
- rect.x0 = x0;
- rect.y0 = y0;
- rect.x1 = x1;
- rect.y1 = y1;
-
- gnome_canvas_item_i2c_affine (item, i2c);
- art_drect_affine_transform (&rect, &rect, i2c);
-
- gnome_canvas_request_redraw (item->canvas, rect.x0, rect.y0, rect.x1, rect.y1);
-}
-
-/*
- * Callback routine: invoked when the ETableModel has suffered a change
- */
-static void
-eti_table_model_changed (ETableModel *table_model, ETableItem *eti)
-{
- eti->rows = e_table_model_row_count (eti->table_model);
-
- if (eti->focused_row > eti->rows - 1)
- eti->focused_row = eti->rows - 1;
-
- free_height_cache(eti);
-
- eti->needs_compute_height = 1;
- e_canvas_item_request_reflow (GNOME_CANVAS_ITEM (eti));
- eti->needs_redraw = 1;
- gnome_canvas_item_request_update (GNOME_CANVAS_ITEM (eti));
-}
-
-/*
- * Computes the distance between @start_row and @end_row in pixels
- */
-static int
-eti_row_diff (ETableItem *eti, int start_row, int end_row)
-{
- int row, total;
-
- total = 0;
-
- for (row = start_row; row < end_row; row++)
- total += eti_row_height (eti, row) + 1;
-
- return total;
-}
-
-/*
- * eti_request_region_redraw:
- *
- * Request a canvas redraw on the range (start_col, start_row) to (end_col, end_row).
- * This is inclusive (ie, you can use: 0,0-0,0 to redraw the first cell).
- *
- * The @border argument is a number of pixels around the region that should also be queued
- * for redraw. This is typically used by the focus routines to queue a redraw for the
- * border as well.
- */
-static void
-eti_request_region_redraw (ETableItem *eti,
- int start_col, int start_row,
- int end_col, int end_row, int border)
-{
- int x1, y1, width, height;
-
- x1 = e_table_header_col_diff (eti->header, 0, start_col);
- y1 = eti_row_diff (eti, 0, start_row);
- width = e_table_header_col_diff (eti->header, start_col, end_col + 1);
- height = eti_row_diff (eti, start_row, end_row + 1);
-
- eti_item_region_redraw (eti, eti->x1 + x1 - border,
- eti->y1 + y1 - border,
- eti->x1 + x1 + width + 1 + border,
- eti->y1 + y1 + height + 1 + border);
-}
-
-static void
-eti_table_model_row_changed (ETableModel *table_model, int row, ETableItem *eti)
-{
- if (eti->renderers_can_change_size) {
- eti_table_model_changed (table_model, eti);
- return;
- }
-
- eti_request_region_redraw (eti, 0, row, eti->cols, row, 0);
-}
-
-static void
-eti_table_model_cell_changed (ETableModel *table_model, int col, int row, ETableItem *eti)
-{
- if (eti->renderers_can_change_size) {
- eti_table_model_changed (table_model, eti);
- return;
- }
-
- eti_request_region_redraw (eti, 0, row, eti->cols, row, 0);
-}
-
-static void
-eti_table_model_row_inserted (ETableModel *table_model, int row, ETableItem *eti)
-{
- eti_table_model_changed (table_model, eti);
-}
-
-static void
-eti_table_model_row_deleted (ETableModel *table_model, int row, ETableItem *eti)
-{
- eti_table_model_changed (table_model, eti);
-}
-
-void
-e_table_item_redraw_range (ETableItem *eti,
- int start_col, int start_row,
- int end_col, int end_row)
-{
- int border;
-
- g_return_if_fail (eti != NULL);
- g_return_if_fail (E_IS_TABLE_ITEM (eti));
-
- if ((start_col == eti->focused_col) ||
- (end_col == eti->focused_col) ||
- (start_row == eti->focused_row) ||
- (end_row == eti->focused_row))
- border = 2;
- else
- border = 0;
-
- eti_request_region_redraw (eti, start_col, start_row, end_col, end_row, border);
-}
-
-static void
-eti_add_table_model (ETableItem *eti, ETableModel *table_model)
-{
- g_assert (eti->table_model == NULL);
-
- eti->table_model = table_model;
- gtk_object_ref (GTK_OBJECT (eti->table_model));
-
- eti->table_model_change_id = gtk_signal_connect (
- GTK_OBJECT (table_model), "model_changed",
- GTK_SIGNAL_FUNC (eti_table_model_changed), eti);
-
- eti->table_model_row_change_id = gtk_signal_connect (
- GTK_OBJECT (table_model), "model_row_changed",
- GTK_SIGNAL_FUNC (eti_table_model_row_changed), eti);
-
- eti->table_model_cell_change_id = gtk_signal_connect (
- GTK_OBJECT (table_model), "model_cell_changed",
- GTK_SIGNAL_FUNC (eti_table_model_cell_changed), eti);
-
- eti->table_model_row_inserted_id = gtk_signal_connect (
- GTK_OBJECT (table_model), "model_row_inserted",
- GTK_SIGNAL_FUNC (eti_table_model_row_inserted), eti);
-
- eti->table_model_row_deleted_id = gtk_signal_connect (
- GTK_OBJECT (table_model), "model_row_deleted",
- GTK_SIGNAL_FUNC (eti_table_model_row_deleted), eti);
-
- if (eti->header) {
- eti_detach_cell_views (eti);
- eti_attach_cell_views (eti);
- }
-
- eti_table_model_changed (table_model, eti);
-}
-
-static void
-eti_header_dim_changed (ETableHeader *eth, int col, ETableItem *eti)
-{
- eti->needs_compute_width = 1;
- e_canvas_item_request_reflow (GNOME_CANVAS_ITEM (eti));
-}
-
-static void
-eti_header_structure_changed (ETableHeader *eth, ETableItem *eti)
-{
- eti->cols = e_table_header_count (eti->header);
- eti->width = e_table_header_total_width (eti->header);
-
- /*
- * There should be at least one column
- */
- g_assert (eti->cols != 0);
-
- if (eti->cell_views){
- eti_unrealize_cell_views (eti);
- eti_detach_cell_views (eti);
- eti_attach_cell_views (eti);
- eti_realize_cell_views (eti);
- } else {
- if (eti->table_model) {
- eti_detach_cell_views (eti);
- eti_attach_cell_views (eti);
- }
- }
- eti->needs_compute_width = 1;
- e_canvas_item_request_reflow (GNOME_CANVAS_ITEM (eti));
-}
-
-static void
-eti_add_header_model (ETableItem *eti, ETableHeader *header)
-{
- g_assert (eti->header == NULL);
-
- eti->header = header;
- gtk_object_ref (GTK_OBJECT (header));
-
- eti_header_structure_changed (header, eti);
-
- eti->header_dim_change_id = gtk_signal_connect (
- GTK_OBJECT (header), "dimension_change",
- GTK_SIGNAL_FUNC (eti_header_dim_changed), eti);
-
- eti->header_structure_change_id = gtk_signal_connect (
- GTK_OBJECT (header), "structure_change",
- GTK_SIGNAL_FUNC (eti_header_structure_changed), eti);
-}
-
-/*
- * GtkObject::destroy method
- */
-static void
-eti_destroy (GtkObject *object)
-{
- ETableItem *eti = E_TABLE_ITEM (object);
-
- eti_remove_header_model (eti);
- eti_remove_table_model (eti);
-
- g_slist_free (eti->selection);
-
- if (eti->height_cache_idle_id)
- g_source_remove(eti->height_cache_idle_id);
-
- g_free (eti->height_cache);
-
- if (GTK_OBJECT_CLASS (eti_parent_class)->destroy)
- (*GTK_OBJECT_CLASS (eti_parent_class)->destroy) (object);
-}
-
-static void
-eti_set_arg (GtkObject *o, GtkArg *arg, guint arg_id)
-{
- GnomeCanvasItem *item;
- ETableItem *eti;
-
- item = GNOME_CANVAS_ITEM (o);
- eti = E_TABLE_ITEM (o);
-
- switch (arg_id){
- case ARG_TABLE_HEADER:
- eti_remove_header_model (eti);
- eti_add_header_model (eti, E_TABLE_HEADER(GTK_VALUE_OBJECT (*arg)));
- break;
-
- case ARG_TABLE_MODEL:
- eti_remove_table_model (eti);
- eti_add_table_model (eti, E_TABLE_MODEL(GTK_VALUE_OBJECT (*arg)));
- break;
-
- case ARG_LENGTH_THRESHOLD:
- eti->length_threshold = GTK_VALUE_INT (*arg);
- break;
-
- case ARG_TABLE_DRAW_GRID:
- eti->draw_grid = GTK_VALUE_BOOL (*arg);
- break;
-
- case ARG_TABLE_DRAW_FOCUS:
- eti->draw_focus = GTK_VALUE_BOOL (*arg);
- break;
-
- case ARG_MODE_SPREADSHEET:
- eti->mode_spreadsheet = GTK_VALUE_BOOL (*arg);
- break;
- case ARG_MINIMUM_WIDTH:
- if (eti->minimum_width == eti->width && GTK_VALUE_DOUBLE (*arg) > eti->width)
- e_canvas_item_request_reflow (GNOME_CANVAS_ITEM (eti));
- eti->minimum_width = GTK_VALUE_DOUBLE (*arg);
- if (eti->minimum_width < eti->width)
- e_canvas_item_request_reflow (GNOME_CANVAS_ITEM (eti));
- break;
- }
- eti->needs_redraw = 1;
- gnome_canvas_item_request_update (GNOME_CANVAS_ITEM(eti));
-}
-
-static void
-eti_get_arg (GtkObject *o, GtkArg *arg, guint arg_id)
-{
- GnomeCanvasItem *item;
- ETableItem *eti;
-
- item = GNOME_CANVAS_ITEM (o);
- eti = E_TABLE_ITEM (o);
-
- switch (arg_id){
- case ARG_WIDTH:
- GTK_VALUE_DOUBLE (*arg) = eti->width;
- break;
- case ARG_HEIGHT:
- GTK_VALUE_DOUBLE (*arg) = eti->height;
- break;
- case ARG_MINIMUM_WIDTH:
- GTK_VALUE_DOUBLE (*arg) = eti->minimum_width;
- break;
- default:
- arg->type = GTK_TYPE_INVALID;
- }
-}
-
-static void
-eti_init (GnomeCanvasItem *item)
-{
- ETableItem *eti = E_TABLE_ITEM (item);
-
- eti->focused_col = -1;
- eti->focused_row = -1;
- eti->editing_col = -1;
- eti->editing_row = -1;
- eti->height = 0;
- eti->width = 0;
- eti->minimum_width = 0;
-
- eti->height_cache = NULL;
- eti->height_cache_idle_id = 0;
- eti->height_cache_idle_count = 0;
-
- eti->length_threshold = -1;
- eti->renderers_can_change_size = 1;
-
- eti->selection_mode = GTK_SELECTION_SINGLE;
-
- eti->needs_redraw = 0;
- eti->needs_compute_height = 0;
-
- e_canvas_item_set_reflow_callback (GNOME_CANVAS_ITEM (eti), eti_reflow);
-}
-
-#define gray50_width 2
-#define gray50_height 2
-static const char gray50_bits[] = {
- 0x02, 0x01, };
-
-static void
-eti_realize (GnomeCanvasItem *item)
-{
- ETableItem *eti = E_TABLE_ITEM (item);
- GtkWidget *canvas_widget = GTK_WIDGET (item->canvas);
- GdkWindow *window;
-
- if (GNOME_CANVAS_ITEM_CLASS (eti_parent_class)->realize)
- (*GNOME_CANVAS_ITEM_CLASS (eti_parent_class)->realize)(item);
-
- /*
- * Gdk Resource allocation
- */
- window = canvas_widget->window;
-
- eti->fill_gc = canvas_widget->style->white_gc;
- gdk_gc_ref (canvas_widget->style->white_gc);
-
- eti->grid_gc = gdk_gc_new (window);
-#if 0
- /* This sets it to gray */
-/* gdk_gc_set_foreground (eti->grid_gc, &canvas_widget->style->bg [GTK_STATE_NORMAL]); */
-#else
- gdk_gc_set_foreground (eti->grid_gc, &canvas_widget->style->black);
-#endif
- eti->focus_gc = gdk_gc_new (window);
- gdk_gc_set_foreground (eti->focus_gc, &canvas_widget->style->bg [GTK_STATE_NORMAL]);
- gdk_gc_set_background (eti->focus_gc, &canvas_widget->style->fg [GTK_STATE_NORMAL]);
- eti->stipple = gdk_bitmap_create_from_data (NULL, gray50_bits, gray50_width, gray50_height);
- gdk_gc_set_ts_origin (eti->focus_gc, 0, 0);
- gdk_gc_set_stipple (eti->focus_gc, eti->stipple);
- gdk_gc_set_fill (eti->focus_gc, GDK_OPAQUE_STIPPLED);
-
- if (eti->cell_views == NULL)
- eti_attach_cell_views (eti);
-
- eti_realize_cell_views (eti);
-
- eti->needs_compute_height = 1;
- e_canvas_item_request_reflow (GNOME_CANVAS_ITEM (eti));
- eti->needs_redraw = 1;
- gnome_canvas_item_request_update (GNOME_CANVAS_ITEM (eti));
-}
-
-static void
-eti_unrealize (GnomeCanvasItem *item)
-{
- ETableItem *eti = E_TABLE_ITEM (item);
-
- gdk_gc_unref (eti->fill_gc);
- eti->fill_gc = NULL;
- gdk_gc_unref (eti->grid_gc);
- eti->grid_gc = NULL;
- gdk_gc_unref (eti->focus_gc);
- eti->focus_gc = NULL;
- gdk_bitmap_unref (eti->stipple);
- eti->stipple = NULL;
-
- eti_unrealize_cell_views (eti);
-
- eti->height = 0;
-
- if (GNOME_CANVAS_ITEM_CLASS (eti_parent_class)->unrealize)
- (*GNOME_CANVAS_ITEM_CLASS (eti_parent_class)->unrealize)(item);
-}
-
-static void
-eti_draw (GnomeCanvasItem *item, GdkDrawable *drawable, int x, int y, int width, int height)
-{
- ETableItem *eti = E_TABLE_ITEM (item);
- const int rows = eti->rows;
- const int cols = eti->cols;
- int row, col, y1, y2;
- int first_col, last_col, x_offset;
- int first_row, last_row, y_offset, yd;
- int x1, x2;
- int f_x1, f_x2, f_y1, f_y2;
- gboolean f_found;
- double i2c [6];
- ArtPoint eti_base, eti_base_item;
-
- /*
- * Clear the background
- */
-#if 0
- gdk_draw_rectangle (
- drawable, eti->fill_gc, TRUE,
- eti->x1 - x, eti->y1 - y, eti->width, eti->height);
-#endif
-
- /*
- * Find out our real position after grouping
- */
- gnome_canvas_item_i2c_affine (item, i2c);
- eti_base_item.x = eti->x1;
- eti_base_item.y = eti->y1;
- art_affine_point (&eti_base, &eti_base_item, i2c);
-
- /*
- * First column to draw, last column to draw
- */
- first_col = -1;
- last_col = x_offset = 0;
- x1 = x2 = floor (eti_base.x);
- for (col = 0; col < cols; col++, x1 = x2){
- ETableCol *ecol = e_table_header_get_column (eti->header, col);
-
- x2 = x1 + ecol->width;
-
- if (x1 > (x + width))
- break;
- if (x2 < x)
- continue;
- if (first_col == -1){
- x_offset = x1 - x;
- first_col = col;
- }
- }
- last_col = col;
-
- /*
- * Nothing to paint
- */
- if (first_col == -1)
- return;
-
- /*
- * Compute row span.
- */
- first_row = -1;
- y_offset = 0;
- y1 = y2 = floor (eti_base.y) + 1;
- for (row = 0; row < rows; row++, y1 = y2){
-
- y2 += ETI_ROW_HEIGHT (eti, row) + 1;
-
- if (y1 > y + height)
- break;
-
- if (y2 < y)
- continue;
-
- if (first_row == -1){
- y_offset = y1 - y;
- first_row = row;
- }
- }
- last_row = row;
-
- if (first_row == -1)
- return;
-
- /*
- * Draw cells
- */
- yd = y_offset;
- f_x1 = f_x2 = f_y1 = f_y2 = -1;
- f_found = FALSE;
-
- if (eti->draw_grid && first_row == 0){
- gdk_draw_line (
- drawable, eti->grid_gc,
- eti_base.x - x, yd, eti_base.x + eti->width - x, yd);
- }
- yd++;
-
- for (row = first_row; row < last_row; row++){
- int xd, height;
- gboolean selected;
-
- height = ETI_ROW_HEIGHT (eti, row);
-
- xd = x_offset;
-/* printf ("paint: %d %d\n", yd, yd + height); */
-
- selected = g_slist_find (eti->selection, GINT_TO_POINTER (row)) != NULL;
-
- for (col = first_col; col < last_col; col++){
- ETableCol *ecol = e_table_header_get_column (eti->header, col);
- ECellView *ecell_view = eti->cell_views [col];
-
- e_cell_draw (ecell_view, drawable, ecol->col_idx, col, row, selected,
- xd, yd, xd + ecol->width, yd + height);
-
- if (col == eti->focused_col && row == eti->focused_row){
- f_x1 = xd;
- f_x2 = xd + ecol->width;
- f_y1 = yd;
- f_y2 = yd + height;
- f_found = TRUE;
- }
-
- xd += ecol->width;
- }
- yd += height;
-
- if (eti->draw_grid)
- gdk_draw_line (
- drawable, eti->grid_gc,
- eti_base.x - x, yd, eti_base.x + eti->width - x, yd);
- yd++;
- }
-
- if (eti->draw_grid){
- int xd = x_offset;
-
- for (col = first_col; col <= last_col; col++){
- ETableCol *ecol = e_table_header_get_column (eti->header, col);
-
- gdk_draw_line (
- drawable, eti->grid_gc,
- xd, y_offset, xd, yd - 1);
-
- /*
- * This looks wierd, but it is to draw the last line
- */
- if (ecol)
- xd += ecol->width;
- }
- }
-
- /*
- * Draw focus
- */
- if (f_found && eti->draw_focus){
-
- if (!eti_editing (eti))
- gdk_draw_rectangle (
- drawable, eti->focus_gc, FALSE,
- f_x1 + 1, f_y1, f_x2 - f_x1 - 2, f_y2 - f_y1 - 1);
- }
-}
-
-static double
-eti_point (GnomeCanvasItem *item, double x, double y, int cx, int cy,
- GnomeCanvasItem **actual_item)
-{
- *actual_item = item;
-
- return 0.0;
-}
-
-static gboolean
-find_cell (ETableItem *eti, double x, double y, int *col_res, int *row_res, double *x1_res, double *y1_res)
-{
- const int cols = eti->cols;
- const int rows = eti->rows;
- gdouble x1, y1, x2, y2;
- int col, row;
-
- /* FIXME: this routine is inneficient, fix later */
-
- x -= eti->x1;
- y -= eti->y1;
-
- x1 = 0;
- for (col = 0; col < cols - 1; col++, x1 = x2){
- ETableCol *ecol = e_table_header_get_column (eti->header, col);
-
- if (x < x1)
- return FALSE;
-
- x2 = x1 + ecol->width;
-
- if (x <= x2)
- break;
- }
-
- y1 = y2 = 0;
- for (row = 0; row < rows - 1; row++, y1 = y2){
- if (y < y1)
- return FALSE;
-
- y2 += ETI_ROW_HEIGHT (eti, row) + 1;
-
- if (y <= y2)
- break;
- }
- *col_res = col;
- if (x1_res)
- *x1_res = x - x1;
- *row_res = row;
- if (y1_res)
- *y1_res = y - y1;
- return TRUE;
-}
-
-static void
-eti_cursor_move (ETableItem *eti, gint row, gint column)
-{
- e_table_item_leave_edit (eti);
- e_table_item_focus (eti, column, row);
-}
-
-static void
-eti_cursor_move_left (ETableItem *eti)
-{
- eti_cursor_move (eti, eti->focused_row, eti->focused_col - 1);
-}
-
-static void
-eti_cursor_move_right (ETableItem *eti)
-{
- eti_cursor_move (eti, eti->focused_row, eti->focused_col + 1);
-}
-
-static void
-eti_cursor_move_up (ETableItem *eti)
-{
- eti_cursor_move (eti, eti->focused_row - 1, eti->focused_col);
-}
-
-static void
-eti_cursor_move_down (ETableItem *eti)
-{
- eti_cursor_move (eti, eti->focused_row + 1, eti->focused_col);
-}
-
-static int
-eti_event (GnomeCanvasItem *item, GdkEvent *e)
-{
- ETableItem *eti = E_TABLE_ITEM (item);
- ECellView *ecell_view;
- ETableCol *ecol;
- gint return_val = TRUE;
-
- switch (e->type){
- case GDK_BUTTON_PRESS:
- case GDK_BUTTON_RELEASE:
- case GDK_2BUTTON_PRESS: {
- double x1, y1;
- int col, row;
-
- if (e->button.button == 5 ||
- e->button.button == 4)
- return FALSE;
-
- gnome_canvas_item_w2i (item, &e->button.x, &e->button.y);
-
- if (!find_cell (eti, e->button.x, e->button.y, &col, &row, &x1, &y1))
- return TRUE;
-
- if (eti->focused_row == row && eti->focused_col == col){
-
- ecol = e_table_header_get_column (eti->header, col);
- ecell_view = eti->cell_views [col];
-
- /*
- * Adjust the event positions
- */
- e->button.x = x1;
- e->button.y = y1;
-
- e_cell_event (ecell_view, e, ecol->col_idx, col, row);
- } else {
- /*
- * Focus the cell, and select the row
- */
- e_table_item_leave_edit (eti);
- e_table_item_focus (eti, col, row);
- e_table_item_select_row (eti, row);
- }
- break;
- }
-
- case GDK_MOTION_NOTIFY: {
- int col, row;
- double x1, y1;
-
- gnome_canvas_item_w2i (item, &e->motion.x, &e->motion.y);
-
- if (!find_cell (eti, e->motion.x, e->motion.y, &col, &row, &x1, &y1))
- return TRUE;
-
- if (eti->focused_row == row && eti->focused_col == col){
- ecol = e_table_header_get_column (eti->header, col);
- ecell_view = eti->cell_views [col];
-
- /*
- * Adjust the event positions
- */
- e->motion.x = x1;
- e->motion.y = y1;
-
- e_cell_event (ecell_view, e, ecol->col_idx, col, row);
- }
- break;
- }
-
- case GDK_KEY_PRESS:
- if (eti->focused_col == -1)
- return FALSE;
-
- switch (e->key.keyval){
- case GDK_Left:
- if (!eti->mode_spreadsheet && eti_editing (eti))
- break;
-
- if (eti->focused_col > 0)
- eti_cursor_move_left (eti);
- break;
-
- case GDK_Right:
- if (!eti->mode_spreadsheet && eti_editing (eti))
- break;
-
- if (eti->focused_col < eti->cols - 1)
- eti_cursor_move_right (eti);
- break;
-
- case GDK_Up:
- if (eti->focused_row > 0)
- eti_cursor_move_up (eti);
- else
- return_val = FALSE;
- break;
-
- case GDK_Down:
- if ((eti->focused_row + 1) < eti->rows)
- eti_cursor_move_down (eti);
- else
- return_val = FALSE;
- break;
-
- case GDK_Tab:
- case GDK_KP_Tab:
- case GDK_ISO_Left_Tab:
- if ((e->key.state & GDK_SHIFT_MASK) != 0){
- /* shift tab */
- if (eti->focused_col > 0)
- eti_cursor_move_left (eti);
- else if (eti->focused_row > 0)
- eti_cursor_move (eti, eti->focused_row - 1, eti->cols - 1);
- else
- return_val = FALSE;
- } else {
- if (eti->focused_col < eti->cols - 1)
- eti_cursor_move_right (eti);
- else if (eti->focused_row < eti->rows - 1)
- eti_cursor_move (eti, eti->focused_row + 1, 0);
- else
- return_val = FALSE;
- }
- break;
-
- default:
- if (!eti_editing (eti)){
- if ((e->key.state & (GDK_MOD1_MASK | GDK_CONTROL_MASK)) != 0)
- return_val = FALSE;
-
- if (!(e->key.keyval >= 0x20 && e->key.keyval <= 0xff))
- return_val = FALSE;
- }
-
- ecol = e_table_header_get_column (eti->header, eti->focused_col);
- ecell_view = eti->cell_views [eti->focused_col];
- e_cell_event (ecell_view, e, ecol->col_idx, eti->focused_col, eti->focused_row);
- }
- break;
-
- case GDK_KEY_RELEASE:
- if (eti->focused_col == -1)
- return FALSE;
-
- if (eti_editing (eti)){
- ecell_view = eti->cell_views [eti->editing_col];
- ecol = e_table_header_get_column (eti->header, eti->editing_col);
- e_cell_event (ecell_view, e, ecol->col_idx, eti->editing_col, eti->editing_row);
- }
- break;
-
- case GDK_FOCUS_CHANGE:
- if (e->focus_change.in) {
- } else {
- e_table_item_leave_edit (eti);
- e_table_item_unfocus (eti);
- }
-
- default:
- return_val = FALSE;
- }
- return return_val;
-}
-
-/*
- * ETableItem::row_selection method
- */
-static void
-eti_row_selection (ETableItem *eti, int row, gboolean selected)
-{
- eti_request_region_redraw (eti, 0, row, eti->cols - 1, row, 0);
-
- if (selected)
- eti->selection = g_slist_prepend (eti->selection, GINT_TO_POINTER (row));
- else
- eti->selection = g_slist_remove (eti->selection, GINT_TO_POINTER (row));
-
-}
-
-static void
-eti_class_init (GtkObjectClass *object_class)
-{
- GnomeCanvasItemClass *item_class = (GnomeCanvasItemClass *) object_class;
- ETableItemClass *eti_class = (ETableItemClass *) object_class;
-
- eti_parent_class = gtk_type_class (PARENT_OBJECT_TYPE);
-
- object_class->destroy = eti_destroy;
- object_class->set_arg = eti_set_arg;
- object_class->get_arg = eti_get_arg;
-
- item_class->update = eti_update;
- item_class->realize = eti_realize;
- item_class->unrealize = eti_unrealize;
- item_class->draw = eti_draw;
- item_class->point = eti_point;
- item_class->event = eti_event;
-
- eti_class->row_selection = eti_row_selection;
-
- gtk_object_add_arg_type ("ETableItem::ETableHeader", GTK_TYPE_OBJECT,
- GTK_ARG_WRITABLE, ARG_TABLE_HEADER);
- gtk_object_add_arg_type ("ETableItem::ETableModel", GTK_TYPE_OBJECT,
- GTK_ARG_WRITABLE, ARG_TABLE_MODEL);
- gtk_object_add_arg_type ("ETableItem::drawgrid", GTK_TYPE_BOOL,
- GTK_ARG_WRITABLE, ARG_TABLE_DRAW_GRID);
- gtk_object_add_arg_type ("ETableItem::drawfocus", GTK_TYPE_BOOL,
- GTK_ARG_WRITABLE, ARG_TABLE_DRAW_FOCUS);
- gtk_object_add_arg_type ("ETableItem::spreadsheet", GTK_TYPE_BOOL,
- GTK_ARG_WRITABLE, ARG_MODE_SPREADSHEET);
- gtk_object_add_arg_type ("ETableItem::length_threshold", GTK_TYPE_INT,
- GTK_ARG_WRITABLE, ARG_LENGTH_THRESHOLD);
-
- gtk_object_add_arg_type ("ETableItem::minimum_width", GTK_TYPE_DOUBLE,
- GTK_ARG_READWRITE, ARG_MINIMUM_WIDTH);
- gtk_object_add_arg_type ("ETableItem::width", GTK_TYPE_DOUBLE,
- GTK_ARG_READWRITE, ARG_WIDTH);
- gtk_object_add_arg_type ("ETableItem::height", GTK_TYPE_DOUBLE,
- GTK_ARG_READABLE, ARG_HEIGHT);
- gtk_object_add_arg_type ("ETableItem::has_focus", GTK_TYPE_BOOL,
- GTK_ARG_READWRITE, ARG_HAS_FOCUS);
-
- eti_signals [ROW_SELECTION] =
- gtk_signal_new ("row_selection",
- GTK_RUN_LAST,
- object_class->type,
- GTK_SIGNAL_OFFSET (ETableItemClass, row_selection),
- gtk_marshal_NONE__INT_INT,
- GTK_TYPE_NONE, 2, GTK_TYPE_INT, GTK_TYPE_INT);
-
- gtk_object_class_add_signals (object_class, eti_signals, LAST_SIGNAL);
-
-}
-
-GtkType
-e_table_item_get_type (void)
-{
- static GtkType type = 0;
-
- if (!type){
- GtkTypeInfo info = {
- "ETableItem",
- sizeof (ETableItem),
- sizeof (ETableItemClass),
- (GtkClassInitFunc) eti_class_init,
- (GtkObjectInitFunc) eti_init,
- NULL, /* reserved 1 */
- NULL, /* reserved 2 */
- (GtkClassInitFunc) NULL
- };
-
- type = gtk_type_unique (PARENT_OBJECT_TYPE, &info);
- }
-
- return type;
-}
-
-void
-e_table_item_focus (ETableItem *eti, int col, int row)
-{
- g_return_if_fail (eti != NULL);
- g_return_if_fail (E_IS_TABLE_ITEM (eti));
-
- /*
- * make sure we have the Gtk Focus
- */
- gnome_canvas_item_grab_focus (GNOME_CANVAS_ITEM (eti));
-
- if (eti->focused_col != -1)
- e_table_item_unfocus (eti);
-
- eti->focused_col = col;
- eti->focused_row = row;
-
- eti_request_region_redraw (eti, col, row, col, row, FOCUSED_BORDER);
-}
-
-void
-e_table_item_unfocus (ETableItem *eti)
-{
- g_return_if_fail (eti != NULL);
- g_return_if_fail (E_IS_TABLE_ITEM (eti));
-
- if (eti->focused_row == -1)
- return;
-
- {
- const int col = eti->focused_col;
- const int row = eti->focused_row;
-
- eti_request_region_redraw (eti, col, row, col, row, FOCUSED_BORDER);
- while (eti->selection){
- e_table_item_unselect_row (eti, GPOINTER_TO_INT(eti->selection->data));
- }
- }
- eti->focused_col = -1;
- eti->focused_row = -1;
-}
-
-gint
-e_table_item_get_focused_column (ETableItem *eti)
-{
- g_return_val_if_fail (eti != NULL, -1);
- g_return_val_if_fail (E_IS_TABLE_ITEM (eti), -1);
-
- return eti->focused_col;
-}
-
-
-const GSList *
-e_table_item_get_selection (ETableItem *eti)
-{
- g_return_val_if_fail (eti != NULL, NULL);
- g_return_val_if_fail (E_IS_TABLE_ITEM (eti), NULL);
-
- return eti->selection;
-}
-
-GtkSelectionMode
-e_table_item_get_selection_mode (ETableItem *eti)
-{
- g_return_val_if_fail (eti != NULL, GTK_SELECTION_SINGLE);
- g_return_val_if_fail (E_IS_TABLE_ITEM (eti), GTK_SELECTION_SINGLE);
-
- return eti->selection_mode;
-}
-
-void
-e_table_item_set_selection_mode (ETableItem *eti, GtkSelectionMode selection_mode)
-{
- g_return_if_fail (eti != NULL);
- g_return_if_fail (E_IS_TABLE_ITEM (eti));
-
- if (selection_mode == GTK_SELECTION_BROWSE ||
- selection_mode == GTK_SELECTION_EXTENDED){
- g_error ("GTK_SELECTION_BROWSE and GTK_SELECTION_EXTENDED are not implemented");
- }
-
- eti->selection_mode = selection_mode;
-}
-
-gboolean
-e_table_item_is_row_selected (ETableItem *eti, int row)
-{
- g_return_val_if_fail (eti != NULL, FALSE);
- g_return_val_if_fail (E_IS_TABLE_ITEM (eti), FALSE);
-
- if (g_slist_find (eti->selection, GINT_TO_POINTER (row)))
- return TRUE;
- else
- return FALSE;
-}
-
-void
-e_table_item_unselect_row (ETableItem *eti, int row)
-{
- g_return_if_fail (eti != NULL);
- g_return_if_fail (E_IS_TABLE_ITEM (eti));
-
- if (e_table_item_is_row_selected (eti, row)){
- gtk_signal_emit (
- GTK_OBJECT (eti), eti_signals [ROW_SELECTION],
- row, 0);
- }
-}
-
-void
-e_table_item_select_row (ETableItem *eti, int row)
-{
- g_return_if_fail (eti != NULL);
- g_return_if_fail (E_IS_TABLE_ITEM (eti));
-
- switch (eti->selection_mode){
- case GTK_SELECTION_SINGLE:
- if (eti->selection){
- gtk_signal_emit (
- GTK_OBJECT (eti), eti_signals [ROW_SELECTION],
- GPOINTER_TO_INT (eti->selection->data), 0);
- }
- g_slist_free (eti->selection);
- eti->selection = NULL;
-
- gtk_signal_emit (
- GTK_OBJECT (eti), eti_signals [ROW_SELECTION],
- GINT_TO_POINTER (row), 1);
- break;
-
- case GTK_SELECTION_MULTIPLE:
- if (g_slist_find (eti->selection, GINT_TO_POINTER (row)))
- return;
- gtk_signal_emit (
- GTK_OBJECT (eti), eti_signals [ROW_SELECTION],
- GINT_TO_POINTER (row), 1);
- break;
-
- default:
-
- }
-}
-
-void
-e_table_item_enter_edit (ETableItem *eti, int col, int row)
-{
- ETableCol *ecol;
-
- g_return_if_fail (eti != NULL);
- g_return_if_fail (E_IS_TABLE_ITEM (eti));
-
- eti->editing_col = col;
- eti->editing_row = row;
-
- ecol = e_table_header_get_column (eti->header, col);
- eti->edit_ctx = e_cell_enter_edit (eti->cell_views [col], ecol->col_idx, col, row);
-}
-
-void
-e_table_item_leave_edit (ETableItem *eti)
-{
- ETableCol *ecol;
-
- g_return_if_fail (eti != NULL);
- g_return_if_fail (E_IS_TABLE_ITEM (eti));
-
- if (!eti_editing (eti))
- return;
-
- ecol = e_table_header_get_column (eti->header, eti->editing_col);
- e_cell_leave_edit (
- eti->cell_views [eti->editing_col],
- ecol->col_idx, eti->editing_col,
- eti->editing_row, eti->edit_ctx);
- eti->editing_col = -1;
- eti->editing_row = -1;
- eti->edit_ctx = NULL;
-}
-