sheet-view.c 25 KB
Newer Older
Arturo Espinosa's avatar
Arturo Espinosa committed
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
/*
 * sheet-view.c: Implements a view of the Sheet.
 *
 * Author:
 *    Miguel de Icaza (miguel@kernel.org)
 *
 */
#include <config.h>

#include <gnome.h>
#include <gdk/gdkkeysyms.h>
#include <gdk/gdkx.h>
#include <string.h>
#include "gnumeric.h"
#include "gnumeric-sheet.h"
16
#include "workbook.h"
17
#include "cell.h"
Michael Meeks's avatar
Michael Meeks committed
18
#include "selection.h"
Michael Meeks's avatar
Michael Meeks committed
19
#include "sheet-object.h"
20
#include "item-cursor.h"
21
#include "gnumeric-util.h"
22
#include "utils.h"
23
#include "selection.h"
24
#include "application.h"
Arturo Espinosa's avatar
Arturo Espinosa committed
25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48

static GtkTableClass *sheet_view_parent_class;

void
sheet_view_redraw_all (SheetView *sheet_view)
{
	g_return_if_fail (sheet_view != NULL);
	g_return_if_fail (IS_SHEET_VIEW (sheet_view));
	
	gnome_canvas_request_redraw (
		GNOME_CANVAS (sheet_view->sheet_view),
		0, 0, INT_MAX, INT_MAX);
	gnome_canvas_request_redraw (
		GNOME_CANVAS (sheet_view->col_canvas),
		0, 0, INT_MAX, INT_MAX);
	gnome_canvas_request_redraw (
		GNOME_CANVAS (sheet_view->row_canvas),
		0, 0, INT_MAX, INT_MAX);
}

void
sheet_view_redraw_cell_region (SheetView *sheet_view, int start_col, int start_row, int end_col, int end_row)
{
	GnumericSheet *gsheet;
49
	GnomeCanvas *canvas;
Arturo Espinosa's avatar
Arturo Espinosa committed
50
	Sheet *sheet = sheet_view->sheet;
Arturo Espinosa's avatar
Arturo Espinosa committed
51
	int first_col, first_row, last_col, last_row;
52
	int col, row, min_col, max_col;
Arturo Espinosa's avatar
Arturo Espinosa committed
53 54 55 56 57 58 59
	int x, y, w, h;
	
	g_return_if_fail (sheet_view != NULL);
	g_return_if_fail (IS_SHEET_VIEW (sheet_view));

	gsheet = GNUMERIC_SHEET (sheet_view->sheet_view);
	g_return_if_fail (GNUMERIC_IS_SHEET (gsheet));
60
	canvas = GNOME_CANVAS (gsheet);
Arturo Espinosa's avatar
Arturo Espinosa committed
61

62 63 64 65
	if ((end_col < gsheet->col.first) ||
	    (end_row < gsheet->row.first) ||
	    (start_col > gsheet->col.last_visible) ||
	    (start_row > gsheet->row.last_visible))
66 67 68
		return;
	
	/* The region on which we care to redraw */
69 70 71 72
	first_col = MAX (gsheet->col.first, start_col);
	first_row = MAX (gsheet->row.first, start_row);
	last_col =  MIN (gsheet->col.last_visible, end_col);
	last_row =  MIN (gsheet->row.last_visible, end_row);
73 74

	/* Initial values for min/max column computation */
Arturo Espinosa's avatar
Arturo Espinosa committed
75 76
	min_col = first_col;
	max_col = last_col;
77 78

	/* Find the range of columns that require a redraw */
Arturo Espinosa's avatar
Arturo Espinosa committed
79 80
	for (col = first_col; col <= last_col; col++)
		for (row = first_row; row <= last_row; row++){
81 82 83 84 85 86 87 88 89 90 91 92 93
			Cell *cell;
			int  col1, col2;

			cell = sheet_cell_get (sheet, col, row);

			if (cell){
				cell_get_span (cell, &col1, &col2);

				min_col = MIN (col1, min_col);
				max_col = MAX (col2, max_col);
			}
			
		}
Arturo Espinosa's avatar
Arturo Espinosa committed
94

95
	/* Only draw those regions that are visible */
96 97
	min_col = MAX (MIN (first_col, min_col), gsheet->col.first);
	max_col = MIN (MAX (last_col, max_col), gsheet->col.last_visible);
Arturo Espinosa's avatar
Arturo Espinosa committed
98

99 100 101 102
	x = sheet_col_get_distance_pixels (sheet, gsheet->col.first, min_col);
	y = sheet_row_get_distance_pixels (sheet, gsheet->row.first, first_row);
	w = sheet_col_get_distance_pixels (sheet, min_col, max_col+1) + 1;
	h = sheet_row_get_distance_pixels (sheet, first_row, last_row+1) + 1;
Arturo Espinosa's avatar
Arturo Espinosa committed
103

104 105
	x += canvas->layout.xoffset - canvas->zoom_xofs;
	y += canvas->layout.yoffset - canvas->zoom_yofs;
106 107 108
	gnome_canvas_request_redraw (GNOME_CANVAS (gsheet),
				     x, y,
				     x+w, y+h);
Arturo Espinosa's avatar
Arturo Espinosa committed
109 110 111
}

void
Jody Goldberg's avatar
Jody Goldberg committed
112 113 114
sheet_view_redraw_headers (SheetView *sheet_view,
			   gboolean const col, gboolean const row,
			   Range const * r /* optional == NULL */)
Arturo Espinosa's avatar
Arturo Espinosa committed
115
{
Jody Goldberg's avatar
Jody Goldberg committed
116
	GnumericSheet *gsheet;
Arturo Espinosa's avatar
Arturo Espinosa committed
117 118 119
	g_return_if_fail (sheet_view != NULL);
	g_return_if_fail (IS_SHEET_VIEW (sheet_view));

Jody Goldberg's avatar
Jody Goldberg committed
120
	gsheet = GNUMERIC_SHEET (sheet_view->sheet_view);
Arturo Espinosa's avatar
Arturo Espinosa committed
121

Jody Goldberg's avatar
Jody Goldberg committed
122 123 124 125 126 127 128 129 130
	if (col) {
		int left = 0, right = INT_MAX;
		if (r != NULL) {
			int const size = r->end.col - r->start.col;
/* A rough heuristic guess of the number of when the
 * trade off point of redrawing all vs calculating the
 * redraw size is crossed */
#define COL_HEURISTIC	20
			if (-COL_HEURISTIC < size && size < COL_HEURISTIC) {
131
				left = gsheet->col_offset.first +
132
				    sheet_col_get_distance_pixels (sheet_view->sheet,
133
							    gsheet->col.first, r->start.col);
Jody Goldberg's avatar
Jody Goldberg committed
134
				right = left +
135
				    sheet_col_get_distance_pixels (sheet_view->sheet,
Jody Goldberg's avatar
Jody Goldberg committed
136 137 138 139 140 141 142
							    r->start.col, r->end.col+1);
			}
		}
		gnome_canvas_request_redraw (
			GNOME_CANVAS (sheet_view->col_canvas),
			left, 0, right, INT_MAX);
	}
Arturo Espinosa's avatar
Arturo Espinosa committed
143

Jody Goldberg's avatar
Jody Goldberg committed
144 145 146 147 148 149 150 151 152
	if (row) {
		int top = 0, bottom = INT_MAX;
		if (r != NULL) {
			int const size = r->end.row - r->start.row;
/* A rough heuristic guess of the number of when the
 * trade off point of redrawing all vs calculating the
 * redraw size is crossed */
#define ROW_HEURISTIC	50
			if (-ROW_HEURISTIC < size && size < ROW_HEURISTIC) {
153
				top = gsheet->row_offset.first +
154
				    sheet_row_get_distance_pixels (sheet_view->sheet,
155
							    gsheet->row.first, r->start.row);
Jody Goldberg's avatar
Jody Goldberg committed
156
				bottom = top +
157
				    sheet_row_get_distance_pixels (sheet_view->sheet,
Jody Goldberg's avatar
Jody Goldberg committed
158 159 160 161 162 163 164
							    r->start.row, r->end.row+1);
			}
		}
		gnome_canvas_request_redraw (
			GNOME_CANVAS (sheet_view->row_canvas),
			0, top, INT_MAX, bottom);
	}
Arturo Espinosa's avatar
Arturo Espinosa committed
165 166 167 168 169
}

void
sheet_view_set_zoom_factor (SheetView *sheet_view, double factor)
{
170 171
	GList *l;
	GnumericSheet *gsheet;
172 173
	ItemBar *col_item, *row_item;
	int h, w;
174

Arturo Espinosa's avatar
Arturo Espinosa committed
175 176 177
	g_return_if_fail (sheet_view != NULL);
	g_return_if_fail (IS_SHEET_VIEW (sheet_view));
	
178
	gsheet = GNUMERIC_SHEET (sheet_view->sheet_view);
179 180
	col_item = ITEM_BAR (sheet_view->col_item);
	row_item = ITEM_BAR (sheet_view->row_item);
181

182
	/* Set pixels_per_unit before the font.  The item bars look here for the number */
183
	gnome_canvas_set_pixels_per_unit (GNOME_CANVAS (gsheet), factor);
Arturo Espinosa's avatar
Arturo Espinosa committed
184
	
185
	/* resize the header fonts */
186 187 188 189 190 191 192
	item_bar_fonts_init (col_item);
	item_bar_fonts_init (row_item);

	/*
	 * Use the size of the bold header font to size the free dimensions
	 * No need to zoom, the size of the font takes that into consideration.
	 */
193

194 195 196 197 198 199
	/* 2 pixels above and below */
	h = 2 + 2 + style_font_get_height (col_item->bold_font);
	/* 5 pixels left and right plus the width of the widest string I can think of */
	w = 5 + 5 + gdk_string_width (style_font_gdk_font (col_item->bold_font), "88888");

	gtk_widget_set_usize (GTK_WIDGET (sheet_view->col_canvas), -1, h);
200
	gnome_canvas_set_scroll_region (GNOME_CANVAS (sheet_view->col_canvas), 0, 0,
201
					1000000*factor, h);
202

203
	gtk_widget_set_usize (GTK_WIDGET (sheet_view->row_canvas), w, -1);
204
	gnome_canvas_set_scroll_region (GNOME_CANVAS (sheet_view->row_canvas), 0, 0,
205
					w, 1200000*factor);
206

207 208
	/* Recalibrate the starting offsets */
	gsheet->col_offset.first =
209
	    sheet_col_get_distance_pixels (sheet_view->sheet, 0, gsheet->col.first);
210
	gsheet->row_offset.first =
211
	    sheet_row_get_distance_pixels (sheet_view->sheet, 0, gsheet->row.first);
212 213 214 215 216 217 218 219 220 221 222 223

	/* Ensure that the current cell remains visible when we zoom */
	gnumeric_sheet_make_cell_visible (gsheet,
					  sheet_view->sheet->cursor_col,
					  sheet_view->sheet->cursor_row, TRUE);

	/* Repsition the cursor */
	item_cursor_reposition (gsheet->item_cursor);

	/* Adjust the animated cursors */
	for (l = sheet_view->anted_cursors; l; l = l->next)
		item_cursor_reposition (ITEM_CURSOR (l->data));
Arturo Espinosa's avatar
Arturo Espinosa committed
224 225 226 227 228 229 230 231 232 233 234
}

static void
canvas_bar_realized (GtkWidget *widget, gpointer data)
{
	gdk_window_set_back_pixmap (GTK_LAYOUT (widget)->bin_window, NULL, FALSE);
}

static GnomeCanvas *
new_canvas_bar (SheetView *sheet_view, GtkOrientation o, GnomeCanvasItem **itemp)
{
235 236 237 238 239 240 241 242 243 244
	GtkWidget *canvas =
	    gnome_canvas_new ();
	GnomeCanvasGroup *group =
	    GNOME_CANVAS_GROUP (GNOME_CANVAS (canvas)->root);
	GnomeCanvasItem *item =
	    gnome_canvas_item_new (group,
				   item_bar_get_type (),
				   "ItemBar::SheetView", sheet_view,
				   "ItemBar::Orientation", o,
				   NULL);
Arturo Espinosa's avatar
Arturo Espinosa committed
245 246 247 248 249

	gtk_signal_connect (GTK_OBJECT (canvas), "realize",
			    (GtkSignalFunc) canvas_bar_realized,
			    NULL);

250
	*itemp = item;
Arturo Espinosa's avatar
Arturo Espinosa committed
251 252
	gtk_widget_show (canvas);
	
253
	return GNOME_CANVAS(canvas);
Arturo Espinosa's avatar
Arturo Espinosa committed
254 255
}

Jody Goldberg's avatar
Jody Goldberg committed
256 257 258
/* Manages the scrollbar dimensions and paging parameters. */
void
sheet_view_scrollbar_config (SheetView const *sheet_view)
Arturo Espinosa's avatar
Arturo Espinosa committed
259 260 261 262
{
	GtkAdjustment *va = GTK_ADJUSTMENT (sheet_view->va);
	GtkAdjustment *ha = GTK_ADJUSTMENT (sheet_view->ha);
	GnumericSheet *gsheet = GNUMERIC_SHEET (sheet_view->sheet_view);
Jody Goldberg's avatar
Jody Goldberg committed
263
	Sheet         *sheet = sheet_view->sheet;
264 265
	int const last_col = gsheet->col.last_full;
	int const last_row = gsheet->row.last_full;
Arturo Espinosa's avatar
Arturo Espinosa committed
266

Jody Goldberg's avatar
Jody Goldberg committed
267
	va->upper = MAX (MAX (last_row,
268
			      sheet_view->sheet->rows.max_used),
Jody Goldberg's avatar
Jody Goldberg committed
269
			 sheet->cursor_row);
270
	va->page_size = last_row - gsheet->row.first;
271
	va->value = gsheet->row.first;
Jody Goldberg's avatar
Jody Goldberg committed
272 273
	va->step_increment = va->page_increment =
	    va->page_size / 2;
Arturo Espinosa's avatar
Arturo Espinosa committed
274
	
Jody Goldberg's avatar
Jody Goldberg committed
275
	ha->upper = MAX (MAX (last_col,
276
			      sheet_view->sheet->cols.max_used),
Jody Goldberg's avatar
Jody Goldberg committed
277
			 sheet->cursor_col);
278
	ha->page_size = last_col - gsheet->col.first;
279
	ha->value = gsheet->col.first;
Jody Goldberg's avatar
Jody Goldberg committed
280 281
	ha->step_increment = ha->page_increment =
	    ha->page_size / 2;
Arturo Espinosa's avatar
Arturo Espinosa committed
282 283 284 285 286

	gtk_adjustment_changed (va);
	gtk_adjustment_changed (ha);
}

Jody Goldberg's avatar
Jody Goldberg committed
287 288 289 290 291 292
static void
sheet_view_size_allocate (GtkWidget *widget, GtkAllocation *alloc, SheetView *sheet_view)
{
	sheet_view_scrollbar_config (sheet_view);
}

Arturo Espinosa's avatar
Arturo Espinosa committed
293
static void
294
sheet_view_col_selection_changed (ItemBar *item_bar, int column, int modifiers, SheetView *sheet_view)
Arturo Espinosa's avatar
Arturo Espinosa committed
295 296 297
{	
	Sheet *sheet = sheet_view->sheet;
	
298 299
	/* Ensure that col row exists, ignore result */
	sheet_col_fetch (sheet, column);
300
	
301 302 303 304 305
	if (modifiers){
		if ((modifiers & GDK_SHIFT_MASK) && sheet->selections){
			SheetSelection *ss = sheet->selections->data;
			int start_col, end_col;
			
306 307
			start_col = MIN (ss->base.col, column);
			end_col = MAX (ss->base.col, column);
308 309 310 311 312 313
			
			sheet_selection_set (sheet,
					     start_col, 0,
					     end_col, SHEET_MAX_ROWS-1);
			return;
		}
314 315

		sheet_cursor_move (sheet, column, sheet->cursor_row, FALSE, FALSE);
316 317
		if (!(modifiers & GDK_CONTROL_MASK))
			sheet_selection_reset_only (sheet);
318

Arturo Espinosa's avatar
Arturo Espinosa committed
319 320 321 322 323
		sheet_selection_append_range (sheet,
					      column, 0,
					      column, 0,
					      column, SHEET_MAX_ROWS-1);
	} else
324
		sheet_selection_extend_to (sheet, column, SHEET_MAX_ROWS - 1);
Arturo Espinosa's avatar
Arturo Espinosa committed
325 326 327 328 329 330
}

static void
sheet_view_col_size_changed (ItemBar *item_bar, int col, int width, SheetView *sheet_view)
{
	Sheet *sheet = sheet_view->sheet;
331 332 333 334
	ItemBarSelectionType type;

	type = sheet_col_selection_type (sheet, col);

335 336 337 338 339 340
 	if (type == ITEM_BAR_FULL_SELECTION) {
		int i = sheet->cols.max_used;
		for (;i >= 0 ; --i) {
 			ColRowInfo *ci = sheet_col_get (sheet, i);
			if (ci == NULL)
				continue;
341 342
 
 			if (sheet_col_selection_type (sheet, ci->pos) == ITEM_BAR_FULL_SELECTION)
343
 				sheet_col_set_size_pixels (sheet, ci->pos, width, TRUE);
344
 		}
345
	} else
346
 		sheet_col_set_size_pixels (sheet, col, width, TRUE);
347
	
Arturo Espinosa's avatar
Arturo Espinosa committed
348 349 350 351
	gnumeric_sheet_compute_visible_ranges (GNUMERIC_SHEET (sheet_view->sheet_view));
}

static void
352
sheet_view_row_selection_changed (ItemBar *item_bar, int row, int modifiers, SheetView *sheet_view)
Arturo Espinosa's avatar
Arturo Espinosa committed
353 354
{
	Sheet *sheet = sheet_view->sheet;
355

356 357
	/* Ensure that the row exists, ignore result */
	sheet_row_fetch (sheet, row);
358
	
359 360 361 362 363
	if (modifiers){
		if ((modifiers & GDK_SHIFT_MASK) && sheet->selections){
			SheetSelection *ss = sheet->selections->data;
			int start_row, end_row;
			
364 365
			start_row = MIN (ss->base.row, row);
			end_row = MAX (ss->base.row, row);
366 367 368 369 370 371
			
			sheet_selection_set (sheet,
					     0, start_row,
					     SHEET_MAX_COLS-1, end_row);
			return;
		}
372 373

		sheet_cursor_move (sheet, sheet->cursor_col, row, FALSE, FALSE);
374 375
		if (!(modifiers & GDK_CONTROL_MASK))
 			sheet_selection_reset_only (sheet);
Arturo Espinosa's avatar
Arturo Espinosa committed
376 377 378 379 380 381
	
		sheet_selection_append_range (sheet,
					      0, row,
					      0, row,
					      SHEET_MAX_COLS-1, row);
	} else
382
		sheet_selection_extend_to (sheet, SHEET_MAX_COLS-1, row);
Arturo Espinosa's avatar
Arturo Espinosa committed
383 384 385 386 387 388
}

static void
sheet_view_row_size_changed (ItemBar *item_bar, int row, int height, SheetView *sheet_view)
{
	Sheet *sheet = sheet_view->sheet;
389 390 391 392
	ItemBarSelectionType type;

	type = sheet_row_selection_type (sheet, row);

393 394 395 396 397 398
	if (type == ITEM_BAR_FULL_SELECTION) {
		int i;
		for (i = sheet->rows.max_used; i >= 0 ; --i) {
 			ColRowInfo *ri = sheet_row_get (sheet, i);
			if (ri == NULL)
				continue;
399
			
400
			if (sheet_row_selection_type (sheet, ri->pos) == ITEM_BAR_FULL_SELECTION)
401
					sheet_row_set_size_pixels (sheet, ri->pos, height, TRUE);
402
		}
403
	} else
404
		sheet_row_set_size_pixels (sheet, row, height, TRUE);
Arturo Espinosa's avatar
Arturo Espinosa committed
405 406 407 408 409 410 411 412 413 414 415
}

static void
button_select_all (GtkWidget *the_button, SheetView *sheet_view)
{
	sheet_select_all (sheet_view->sheet);
}

static void
vertical_scroll_change (GtkAdjustment *adj, SheetView *sheet_view)
{
416 417 418 419 420
	if (sheet_view->tip) {
		char buffer [20 + sizeof (long) * 4];
		snprintf (buffer, sizeof (buffer), _("Row: %d"), (int) adj->value + 1);
		gtk_label_set_text (GTK_LABEL (sheet_view->tip), buffer);
	}
Arturo Espinosa's avatar
Arturo Espinosa committed
421 422 423 424 425
}

static void
horizontal_scroll_change (GtkAdjustment *adj, SheetView *sheet_view)
{
426 427 428 429
	if (sheet_view->tip) {
		char buffer [20 + sizeof (long) * 4];
		snprintf (buffer, sizeof (buffer), _("Column: %s"), col_name (adj->value));
		gtk_label_set_text (GTK_LABEL (sheet_view->tip), buffer);
Arturo Espinosa's avatar
Arturo Espinosa committed
430 431 432 433 434 435 436
	}
}

static int
horizontal_scroll_event (GtkScrollbar *scroll, GdkEvent *event, SheetView *sheet_view)
{
	if (event->type == GDK_BUTTON_PRESS){
437 438 439
		sheet_view->tip = gnumeric_create_tooltip ();
		horizontal_scroll_change (GTK_ADJUSTMENT (sheet_view->ha), sheet_view);
		gnumeric_position_tooltip (sheet_view->tip, 1);
Arturo Espinosa's avatar
Arturo Espinosa committed
440
		gtk_widget_show_all (gtk_widget_get_toplevel (sheet_view->tip));
441 442 443 444
	}
	else if (event->type == GDK_BUTTON_RELEASE)
	{
		GnumericSheet  *gsheet = GNUMERIC_SHEET (sheet_view->sheet_view);
445
		int col;
Arturo Espinosa's avatar
Arturo Espinosa committed
446
		
447 448 449 450 451 452
		/* A button release can be generated without a press by people
		 * with mouse wheels */
		if (sheet_view->tip) {
			gtk_widget_destroy (gtk_widget_get_toplevel (sheet_view->tip));
			sheet_view->tip = NULL;
		}
Arturo Espinosa's avatar
Arturo Espinosa committed
453

454 455
		col = GTK_ADJUSTMENT (sheet_view->ha)->value;

456
		gnumeric_sheet_set_left_col (gsheet, col);
457
		/* NOTE : Excel does not move the cursor, just scrolls the sheet. */
Arturo Espinosa's avatar
Arturo Espinosa committed
458 459 460 461 462 463 464 465 466
	}
	
	return FALSE;
}

static int
vertical_scroll_event (GtkScrollbar *scroll, GdkEvent *event, SheetView *sheet_view)
{
	if (event->type == GDK_BUTTON_PRESS){
467 468 469
		sheet_view->tip = gnumeric_create_tooltip ();
		vertical_scroll_change (GTK_ADJUSTMENT (sheet_view->va), sheet_view);
		gnumeric_position_tooltip (sheet_view->tip, 0);
Arturo Espinosa's avatar
Arturo Espinosa committed
470
		gtk_widget_show_all (gtk_widget_get_toplevel (sheet_view->tip));
471 472 473 474
	}
	else if (event->type == GDK_BUTTON_RELEASE)
	{
		GnumericSheet  *gsheet = GNUMERIC_SHEET (sheet_view->sheet_view);
475
		int row;
Arturo Espinosa's avatar
Arturo Espinosa committed
476
		
477 478 479 480 481 482
		/* A button release can be generated without a press by people
		 * with mouse wheels */
		if (sheet_view->tip) {
			gtk_widget_destroy (gtk_widget_get_toplevel (sheet_view->tip));
			sheet_view->tip = NULL;
		}
Arturo Espinosa's avatar
Arturo Espinosa committed
483

484 485 486
		row = GTK_ADJUSTMENT (sheet_view->va)->value;
		
		gnumeric_sheet_set_top_row (gsheet, row);
487
		/* NOTE : Excel does not move the cursor, just scrolls the sheet. */
Arturo Espinosa's avatar
Arturo Espinosa committed
488 489 490 491 492
	}

	return FALSE;
}

493 494 495 496 497 498 499 500 501
static void
sheet_view_init (SheetView *sheet_view)
{
	GtkTable *table = GTK_TABLE (sheet_view);
	
	table->homogeneous = FALSE;
	gtk_table_resize (table, 4, 4);
}

Arturo Espinosa's avatar
Arturo Espinosa committed
502 503 504
static void
sheet_view_construct (SheetView *sheet_view)
{
505
	GnomeCanvasGroup *root_group;
Arturo Espinosa's avatar
Arturo Espinosa committed
506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542
	GtkTable  *table = GTK_TABLE (sheet_view);
	Sheet *sheet = sheet_view->sheet;
	
	/* Column canvas */
	sheet_view->col_canvas = new_canvas_bar (sheet_view, GTK_ORIENTATION_HORIZONTAL, &sheet_view->col_item);
	gtk_table_attach (table, GTK_WIDGET (sheet_view->col_canvas),
			  1, 2, 0, 1,
			  GTK_EXPAND | GTK_FILL | GTK_SHRINK,
			  GTK_FILL,
			  0, 0);
	gtk_signal_connect (GTK_OBJECT (sheet_view->col_item), "selection_changed",
			    GTK_SIGNAL_FUNC (sheet_view_col_selection_changed),
			    sheet_view);
	gtk_signal_connect (GTK_OBJECT (sheet_view->col_item), "size_changed",
			    GTK_SIGNAL_FUNC (sheet_view_col_size_changed),
			    sheet_view);

	/* Row canvas */
	sheet_view->row_canvas = new_canvas_bar (sheet_view, GTK_ORIENTATION_VERTICAL, &sheet_view->row_item);
	
	gtk_table_attach (table, GTK_WIDGET (sheet_view->row_canvas),
			  0, 1, 1, 2,
			  GTK_FILL, GTK_EXPAND | GTK_FILL | GTK_SHRINK,
			  0, 0);
	gtk_signal_connect (GTK_OBJECT (sheet_view->row_item), "selection_changed",
			    GTK_SIGNAL_FUNC (sheet_view_row_selection_changed),
			    sheet_view);
	gtk_signal_connect (GTK_OBJECT (sheet_view->row_item), "size_changed",
			    GTK_SIGNAL_FUNC (sheet_view_row_size_changed),
			    sheet_view);


	/* Create the gnumeric sheet canvas */
	sheet_view->sheet_view = gnumeric_sheet_new (
		sheet_view,
		ITEM_BAR (sheet_view->col_item),
		ITEM_BAR (sheet_view->row_item));
Michael Meeks's avatar
Michael Meeks committed
543

Arturo Espinosa's avatar
Arturo Espinosa committed
544 545 546 547
	gtk_signal_connect_after (
		GTK_OBJECT (sheet_view), "size_allocate",
		GTK_SIGNAL_FUNC (sheet_view_size_allocate), sheet_view);

548 549 550
	/* Create the object group inside the GnumericSheet */
	root_group = GNOME_CANVAS_GROUP (
		GNOME_CANVAS (sheet_view->sheet_view)->root);
551 552 553 554 555 556 557
	sheet_view->object_group = GNOME_CANVAS_GROUP (
		gnome_canvas_item_new (
			root_group,
			gnome_canvas_group_get_type (),
			"x", 0.0,
			"y", 0.0,
			NULL));
558
		
Arturo Espinosa's avatar
Arturo Espinosa committed
559 560 561 562 563 564 565 566
	/* Attach the GnumericSheet */
	gtk_table_attach (table, sheet_view->sheet_view,
			  1, 2, 1, 2,
			  GTK_EXPAND | GTK_FILL | GTK_SHRINK,
			  GTK_EXPAND | GTK_FILL | GTK_SHRINK,
			  0, 0);
	gtk_widget_show (sheet_view->sheet_view);

567 568 569 570 571 572 573 574 575 576 577
	/*
	 * The selection group
	 */
	sheet_view->selection_group = GNOME_CANVAS_GROUP (
		gnome_canvas_item_new (
			root_group,
			gnome_canvas_group_get_type (),
			"x", 0.0,
			"y", 0.0,
			NULL));
	
Arturo Espinosa's avatar
Arturo Espinosa committed
578
	/* The select-all button */
Jody Goldberg's avatar
Jody Goldberg committed
579 580 581 582
	sheet_view->select_all = gtk_button_new ();
	GTK_WIDGET_UNSET_FLAGS (sheet_view->select_all, GTK_CAN_FOCUS);
	gtk_table_attach (table, sheet_view->select_all, 0, 1, 0, 1, GTK_FILL, GTK_FILL, 0, 0);
	gtk_signal_connect (GTK_OBJECT (sheet_view->select_all), "clicked",
Arturo Espinosa's avatar
Arturo Espinosa committed
583 584 585
			    GTK_SIGNAL_FUNC (button_select_all), sheet_view);
	
	/* Scroll bars and their adjustments */
586 587
	sheet_view->va = gtk_adjustment_new (0.0, 0.0, sheet->rows.max_used, 1.0, 1.0, 1.0);
	sheet_view->ha = gtk_adjustment_new (0.0, 0.0, sheet->cols.max_used, 1.0, 1.0, 1.0);
Arturo Espinosa's avatar
Arturo Espinosa committed
588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612
	sheet_view->hs = gtk_hscrollbar_new (GTK_ADJUSTMENT (sheet_view->ha));
	sheet_view->vs = gtk_vscrollbar_new (GTK_ADJUSTMENT (sheet_view->va));

	gtk_signal_connect (GTK_OBJECT (sheet_view->ha), "value_changed",
			    GTK_SIGNAL_FUNC (horizontal_scroll_change), sheet_view);
	gtk_signal_connect (GTK_OBJECT (sheet_view->va), "value_changed",
			    GTK_SIGNAL_FUNC (vertical_scroll_change), sheet_view);
	gtk_signal_connect (GTK_OBJECT (sheet_view->hs), "event",
			    GTK_SIGNAL_FUNC (horizontal_scroll_event), sheet_view);
	gtk_signal_connect (GTK_OBJECT (sheet_view->vs), "event",
			    GTK_SIGNAL_FUNC (vertical_scroll_event), sheet_view);
	
	/* Attach the horizontal scroll */
	gtk_table_attach (table, sheet_view->hs,
			  1, 2, 2, 3,
			  GTK_EXPAND | GTK_FILL | GTK_SHRINK,
			  GTK_FILL,
			  0, 0);

	/* Attach the vertical scroll */
	gtk_table_attach (table, sheet_view->vs,
			  2, 3, 1, 2,
			  GTK_FILL,
			  GTK_EXPAND | GTK_FILL | GTK_SHRINK,
			  0, 0);
613
	sheet_view_set_zoom_factor (sheet_view, 1.);
614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630
}

void
sheet_view_set_header_visibility (SheetView *sheet_view,
				  gboolean col_headers_visible,
				  gboolean row_headers_visible)
{
	g_return_if_fail (sheet_view != NULL);
	g_return_if_fail (IS_SHEET_VIEW (sheet_view));

	if (col_headers_visible){
		if (!GTK_WIDGET_VISIBLE (GTK_WIDGET (sheet_view->col_canvas)))
			gtk_widget_show (GTK_WIDGET (sheet_view->col_canvas));
	} else {
		if (GTK_WIDGET_VISIBLE (GTK_WIDGET (sheet_view->col_canvas)))
			gtk_widget_hide (GTK_WIDGET (sheet_view->col_canvas));
	}
Arturo Espinosa's avatar
Arturo Espinosa committed
631
	
632 633 634 635 636 637 638
	if (row_headers_visible){
		if (!GTK_WIDGET_VISIBLE (GTK_WIDGET (sheet_view->row_canvas)))
			gtk_widget_show (GTK_WIDGET (sheet_view->row_canvas));
	} else {
		if (GTK_WIDGET_VISIBLE (GTK_WIDGET (sheet_view->row_canvas)))
			gtk_widget_hide (GTK_WIDGET (sheet_view->row_canvas));
	}
Arturo Espinosa's avatar
Arturo Espinosa committed
639 640 641 642 643 644 645 646 647
}

GtkWidget *
sheet_view_new (Sheet *sheet)
{
	SheetView *sheet_view;

	sheet_view = gtk_type_new (sheet_view_get_type ());
	sheet_view->sheet = sheet;
648
	sheet_view->tip = NULL;
649

Arturo Espinosa's avatar
Arturo Espinosa committed
650 651 652 653 654 655 656 657 658 659 660 661
	sheet_view_construct (sheet_view);
	
	return GTK_WIDGET (sheet_view);
}

static void
sheet_view_destroy (GtkObject *object)
{
	SheetView *sheet_view = SHEET_VIEW (object);

	/* Add shutdown code here */
	if (sheet_view->tip)
662
		gtk_object_unref (GTK_OBJECT (sheet_view->tip));
Arturo Espinosa's avatar
Arturo Espinosa committed
663 664 665 666 667 668
	
	if (GTK_OBJECT_CLASS (sheet_view_parent_class)->destroy)
		(*GTK_OBJECT_CLASS (sheet_view_parent_class)->destroy)(object);
}

static void
Jody Goldberg's avatar
Jody Goldberg committed
669
sheet_view_class_init (SheetViewClass *Class)
Arturo Espinosa's avatar
Arturo Espinosa committed
670 671 672
{
	GtkObjectClass *object_class;

Jody Goldberg's avatar
Jody Goldberg committed
673
	object_class = (GtkObjectClass *) Class;
Arturo Espinosa's avatar
Arturo Espinosa committed
674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702

	sheet_view_parent_class = gtk_type_class (gtk_table_get_type ());
	
	object_class->destroy = sheet_view_destroy;
}

GtkType
sheet_view_get_type (void)
{
	static GtkType sheet_view_type = 0;

	if (!sheet_view_type){
		GtkTypeInfo sheet_view_info = {
			"SheetView",
			sizeof (SheetView),
			sizeof (SheetViewClass),
			(GtkClassInitFunc) sheet_view_class_init,
			(GtkObjectInitFunc) sheet_view_init,
			NULL, /* reserved 1 */
			NULL, /* reserved 2 */
			(GtkClassInitFunc) NULL
		};

		sheet_view_type = gtk_type_unique (gtk_table_get_type (), &sheet_view_info);
	}

	return sheet_view_type;
}
		     
Miguel de Icaza's avatar
New:  
Miguel de Icaza committed
703 704 705 706 707 708 709 710 711 712 713 714 715 716 717
void
sheet_view_hide_cursor (SheetView *sheet_view)
{
	GnumericSheet *gsheet = GNUMERIC_SHEET (sheet_view->sheet_view);

	item_cursor_set_visibility (gsheet->item_cursor, FALSE);
}

void
sheet_view_show_cursor (SheetView *sheet_view)
{
	GnumericSheet *gsheet = GNUMERIC_SHEET (sheet_view->sheet_view);

	item_cursor_set_visibility (gsheet->item_cursor, TRUE);
}
718 719 720

#define TRIANGLE_WIDTH 6

721 722
static GnomeCanvasPoints *
sheet_view_comment_get_points (SheetView *sheet_view, int col, int row)
723 724
{
	GnomeCanvasPoints *points;
725
	int x, y, i;
726 727 728

	points = gnome_canvas_points_new (3);

729 730
	x = sheet_col_get_distance_pixels (sheet_view->sheet, 0, col+1);
	y = 1+sheet_row_get_distance_pixels (sheet_view->sheet, 0, row);
731 732 733 734 735 736 737 738

	points->coords [0] = x - TRIANGLE_WIDTH;
	points->coords [1] = y;
	points->coords [2] = x;
	points->coords [3] = y;
	points->coords [4] = x;
	points->coords [5] = y + TRIANGLE_WIDTH;

739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761
	for (i = 0; i < 3; i++){
		gnome_canvas_c2w (GNOME_CANVAS (sheet_view->sheet_view),
				  points->coords [i*2],
				  points->coords [i*2+1],
				  &(points->coords [i*2]),
				  &(points->coords [i*2+1]));
	}
	return points;
}

GnomeCanvasItem *
sheet_view_comment_create_marker (SheetView *sheet_view, int col, int row)
{
	GnomeCanvasPoints *points;
	GnomeCanvasGroup *group;
	GnomeCanvasItem *i;
	
	g_return_val_if_fail (sheet_view != NULL, NULL);
	g_return_val_if_fail (IS_SHEET_VIEW (sheet_view), NULL);

	group = GNOME_CANVAS_GROUP (GNOME_CANVAS (sheet_view->sheet_view)->root);
	points = sheet_view_comment_get_points (sheet_view, col, row);

762 763 764 765 766 767 768 769
	i = gnome_canvas_item_new (
		group, gnome_canvas_polygon_get_type (),
		"points",     points,
		"fill_color", "red",
		NULL);

	return i;
}
770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785

void
sheet_view_comment_relocate (SheetView *sheet_view, int col, int row, GnomeCanvasItem *o)
{
	GnomeCanvasPoints *points;

	g_return_if_fail (sheet_view != NULL);
	g_return_if_fail (IS_SHEET_VIEW (sheet_view));
	g_return_if_fail (o != NULL);
	g_return_if_fail (GNOME_IS_CANVAS_ITEM (o));

	points = sheet_view_comment_get_points (sheet_view, col, row);

	gnome_canvas_item_set (o, "points", points, NULL);
}

786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838
void
sheet_view_selection_unant (SheetView *sheet_view)
{
	GList *l;

	g_return_if_fail (sheet_view != NULL);
	g_return_if_fail (IS_SHEET_VIEW (sheet_view));

	if (sheet_view->anted_cursors == NULL)
		return;

	for (l = sheet_view->anted_cursors; l; l = l->next)
		gtk_object_destroy (GTK_OBJECT (l->data));

	g_list_free (sheet_view->anted_cursors);
	sheet_view->anted_cursors = NULL;
}

void
sheet_view_selection_ant (SheetView *sheet_view)
{
	GnomeCanvasGroup *group;
	ItemGrid *grid;
	GList *l;
	
	g_return_if_fail (sheet_view != NULL);
	g_return_if_fail (IS_SHEET_VIEW (sheet_view));
	
	if (sheet_view->anted_cursors)
		sheet_view_selection_unant (sheet_view);

	group = sheet_view->selection_group;
	grid = GNUMERIC_SHEET (sheet_view->sheet_view)->item_grid;
	
	for (l = sheet_view->sheet->selections; l; l = l->next){
		SheetSelection *ss = l->data;
		ItemCursor *item_cursor;
		
		item_cursor = ITEM_CURSOR (gnome_canvas_item_new (
			group, item_cursor_get_type (),
			"Sheet", sheet_view->sheet,
			"Grid",  grid,
			"Style", ITEM_CURSOR_ANTED,
			NULL));
		item_cursor_set_bounds (
			item_cursor,
			ss->user.start.col, ss->user.start.row,
			ss->user.end.col, ss->user.end.row);

		sheet_view->anted_cursors = g_list_prepend (sheet_view->anted_cursors, item_cursor);
	}
}

839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869
void
sheet_view_adjust_preferences (SheetView *sheet_view)
{
	Sheet *sheet = sheet_view->sheet;
	Workbook *wb = sheet->workbook;

	if (sheet->show_col_header)
		gtk_widget_show (GTK_WIDGET (sheet_view->col_canvas));
	else
		gtk_widget_hide (GTK_WIDGET (sheet_view->col_canvas));

	if (sheet->show_row_header)
		gtk_widget_show (GTK_WIDGET (sheet_view->row_canvas));
	else
		gtk_widget_hide (GTK_WIDGET (sheet_view->row_canvas));

	if (sheet->show_col_header && sheet->show_row_header)
		gtk_widget_show (sheet_view->select_all);
	else
		gtk_widget_hide (sheet_view->select_all);

	if (wb->show_horizontal_scrollbar)
		gtk_widget_show (sheet_view->hs);
	else
		gtk_widget_hide (sheet_view->hs);

	if (wb->show_vertical_scrollbar)
		gtk_widget_show (sheet_view->vs);
	else
		gtk_widget_hide (sheet_view->vs);
}
870

871 872 873 874 875 876 877 878 879 880 881 882 883 884
StyleFont *
sheet_view_get_style_font (const Sheet *sheet, MStyle *mstyle)
{
	/* Scale the font size by the average scaling factor for the
	 * display.  72dpi is base size 
	 */

	double const zoom = sheet->last_zoom_factor_used;
	double const res  = MIN(application_display_dpi_get (FALSE),
				application_display_dpi_get (TRUE)) / 72.;

	return mstyle_get_font (mstyle, zoom * res);
}

885
#if 0
886 887
#ifdef ENABLE_BONOBO
void
888
sheet_view_insert_object (SheetView *sheet_view, BonoboObjectClient *object)
889
{
Michael Meeks's avatar
Michael Meeks committed
890
/*	GtkWidget *view;*/
891 892 893 894 895 896 897

	/*
	 * Commented out because the new_view api changed and it isn't
	 * used anyways.
	 */
	   
	/* view = gnome_bonobo_object_new_view (object); */
898 899 900
	g_warning ("Stick this into the SheetView");
}
#endif
901
#endif