diff options
Diffstat (limited to 'widgets/table/e-table-item.c')
| -rw-r--r-- | widgets/table/e-table-item.c | 1557 |
1 files changed, 0 insertions, 1557 deletions
diff --git a/widgets/table/e-table-item.c b/widgets/table/e-table-item.c deleted file mode 100644 index 39af0e5193..0000000000 --- a/widgets/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; -} - |