sheet.h 5.98 KB
Newer Older
Arturo Espinosa's avatar
Arturo Espinosa committed
1 2
#ifndef SHEET_H
#define SHEET_H
3

4 5 6
#define SHEET_MAX_ROWS (16 * 1024)
#define SHEET_MAX_COLS 256

7 8 9 10 11
typedef GList ColStyleList;

struct Workbook;

typedef struct {
Arturo Espinosa's avatar
Arturo Espinosa committed
12 13
	GtkWidget  *toplevel;
	GtkWidget  *notebook;
14 15 16 17 18 19
	GtkWidget  *table;

	/* Edit area */
	GtkWidget  *ea_status;
	GtkWidget  *ea_button_box;
	GtkWidget  *ea_input;
Arturo Espinosa's avatar
Arturo Espinosa committed
20 21 22 23

	/* The auto-expression */
	ExprTree   *auto_expr;
	GnomeCanvasItem  *auto_expr_label;
Arturo Espinosa's avatar
Arturo Espinosa committed
24
	
Arturo Espinosa's avatar
Arturo Espinosa committed
25
	/* Styles */
Arturo Espinosa's avatar
Arturo Espinosa committed
26 27
	Style      style;
	GHashTable *sheets;	/* keeps a list of the Sheets on this workbook */
28 29 30 31

	/* A list with all of the formulas */
	GList      *formula_cell_list;

Arturo Espinosa's avatar
Arturo Espinosa committed
32 33
	/* A queue with the cells to be evaluated */
	GList      *eval_queue;
34
	int        max_iterations;
Arturo Espinosa's avatar
Arturo Espinosa committed
35 36
} Workbook;

37 38 39 40 41 42
typedef struct {
	int        base_col, base_row;
	int        start_col, start_row;
	int        end_col, end_row;
} SheetSelection;

Arturo Espinosa's avatar
Arturo Espinosa committed
43
typedef struct {
44 45
	int        signature;
	
Arturo Espinosa's avatar
Arturo Espinosa committed
46
	Workbook   *workbook;
47
	GtkWidget  *toplevel, *col_canvas, *row_canvas;
Arturo Espinosa's avatar
Arturo Espinosa committed
48
	GtkWidget  *sheet_view;
49 50 51
	GnomeCanvasItem *col_item, *row_item;
	
	double     last_zoom_factor_used;
52 53 54
	char       *name;
		   
	Style      style;
55

56
	ColRowInfo default_col_style;
57
	GList      *cols_info;
58

59
	ColRowInfo default_row_style;
60
	GList      *rows_info;
Arturo Espinosa's avatar
Arturo Espinosa committed
61

62
	GHashTable *cell_hash;	/* The cells in hashed format */
63 64 65 66 67 68 69 70 71

	GList      *selections;

	/* Scrolling information */
	GtkWidget  *vs, *hs;	/* The scrollbars */
	GtkObject  *va, *ha;    /* The adjustments */
	
	int        max_col_used;
	int        max_row_used;
72 73 74

	/* The list of formulas */
	GList      *formula_cell_list;
75 76
} Sheet;

77 78 79
#define SHEET_SIGNATURE 0x12349876
#define IS_SHEET(x) (((Sheet *) x)->signature == SHEET_SIGNATURE)

Arturo Espinosa's avatar
Arturo Espinosa committed
80 81 82
typedef  void (*sheet_col_row_callback)(Sheet *sheet, ColRowInfo *ci,
					void *user_data);

Arturo Espinosa's avatar
Arturo Espinosa committed
83 84
typedef  int (*sheet_cell_foreach_callback)(Sheet *sheet, int col, int row,
					    Cell *cell, void *user_data);
85

86 87 88 89 90 91 92 93
Sheet      *sheet_new                 (Workbook *wb, char *name);
void        sheet_destroy             (Sheet *sheet);
void        sheet_foreach_col         (Sheet *sheet, sheet_col_row_callback, void *user_data);
void        sheet_foreach_row         (Sheet *sheet, sheet_col_row_callback, void *user_data);
void        sheet_set_zoom_factor     (Sheet *sheet, double factor);
void        sheet_get_cell_bounds     (Sheet *sheet, ColType col, RowType row, int *x, int *y, int *w, int *h);

/* Selection management */
94
void        sheet_select_all             (Sheet *sheet);
95 96 97 98 99 100 101 102
void        sheet_selection_append       (Sheet *sheet, int col, int row);
void        sheet_selection_extend_to    (Sheet *sheet, int col, int row);
void        sheet_selection_clear        (Sheet *sheet);
void        sheet_selection_clear_only   (Sheet *sheet);
int         sheet_selection_equal        (SheetSelection *a, SheetSelection *b);
void        sheet_selection_append_range (Sheet *sheet, int base_col,  int base_row,
					  int start_col, int start_row,
					  int end_col,   int end_row);
103

104 105 106
void        sheet_selection_extend_horizontal (Sheet *sheet, int count);
void        sheet_selection_extend_vertical   (Sheet *sheet, int count);
int         sheet_selection_is_cell_selected  (Sheet *sheet, int col, int row);
Arturo Espinosa's avatar
Arturo Espinosa committed
107

Arturo Espinosa's avatar
Arturo Espinosa committed
108 109
/* Computation */
void        sheet_compute_cell        (Sheet *sheet, Cell *cell);
110

Arturo Espinosa's avatar
Arturo Espinosa committed
111 112
/* Cell management */
Cell       *sheet_cell_new            (Sheet *sheet, int col, int row);
Arturo Espinosa's avatar
Arturo Espinosa committed
113
int         sheet_cell_foreach_range  (Sheet *sheet, int only_existing,
Arturo Espinosa's avatar
Arturo Espinosa committed
114 115 116 117 118 119
				       int start_col, int start_row,
				       int end_col, int end_row,
				       sheet_cell_foreach_callback callback,
				       void *closure);
Cell       *sheet_cell_get            (Sheet *sheet, int col, int row);

Arturo Espinosa's avatar
Arturo Espinosa committed
120
/* Create new ColRowInfos from the default sheet style */
121 122
ColRowInfo *sheet_col_new             (Sheet *sheet);
ColRowInfo *sheet_row_new             (Sheet *sheet);
123 124
int         sheet_row_check_bound     (int row, int diff);
int         sheet_col_check_bound     (int col, int diff);
Arturo Espinosa's avatar
Arturo Espinosa committed
125 126

/* Duplicates the information of a col/row */
127
ColRowInfo *sheet_duplicate_colrow    (ColRowInfo *original);
Arturo Espinosa's avatar
Arturo Espinosa committed
128 129

/* Retrieve information from a col/row */
130 131
ColRowInfo *sheet_col_get_info        (Sheet *sheet, int col);
ColRowInfo *sheet_row_get_info        (Sheet *sheet, int row);
Arturo Espinosa's avatar
Arturo Espinosa committed
132

Arturo Espinosa's avatar
Arturo Espinosa committed
133 134 135 136
/* Returns a pointer to a ColRowInfo: existed or freshly created */
ColRowInfo *sheet_row_get             (Sheet *sheet, int pos);
ColRowInfo *sheet_col_get             (Sheet *sheet, int pos);

Arturo Espinosa's avatar
Arturo Espinosa committed
137
/* Add a ColRowInfo to the Sheet */
138 139
void        sheet_col_add             (Sheet *sheet, ColRowInfo *cp);
void        sheet_row_add             (Sheet *sheet, ColRowInfo *cp);
Arturo Espinosa's avatar
Arturo Espinosa committed
140 141

/* Measure distances in pixels from one col/row to another */
142 143
int         sheet_col_get_distance    (Sheet *sheet, int from_col, int to_col);
int         sheet_row_get_distance    (Sheet *sheet, int from_row, int to_row);
Arturo Espinosa's avatar
Arturo Espinosa committed
144 145

/* Sets the width/height of a column row in terms of pixels */
146 147
void        sheet_col_set_width       (Sheet *sheet, int col, int width);
void        sheet_row_set_height      (Sheet *sheet, int row, int width);
148 149
void        sheet_col_set_selection   (Sheet *sheet, ColRowInfo *ci, int value);
void        sheet_row_set_selection   (Sheet *sheet, ColRowInfo *ri, int value);
Arturo Espinosa's avatar
Arturo Espinosa committed
150

Arturo Espinosa's avatar
Arturo Espinosa committed
151 152
Style      *sheet_style_compute       (Sheet *sheet, int col, int row);

153 154 155 156
/* Redraw */
void        sheet_redraw_cell_region  (Sheet *sheet, int start_col, int start_row,
				       int end_col, int end_row);
void        sheet_redraw_selection    (Sheet *sheet, SheetSelection *ss);
Arturo Espinosa's avatar
Arturo Espinosa committed
157
void        sheet_redraw_all          (Sheet *sheet);
Arturo Espinosa's avatar
Arturo Espinosa committed
158

Arturo Espinosa's avatar
Arturo Espinosa committed
159 160 161
/*
 * Workbook
 */
162 163 164 165
Workbook   *workbook_new                 (void);
Workbook   *workbook_new_with_sheets     (int sheet_count);
void        workbook_attach_sheet        (Workbook *, Sheet *);
Sheet      *workbook_focus_current_sheet (Workbook *wb);
Arturo Espinosa's avatar
Arturo Espinosa committed
166
Sheet      *workbook_get_current_sheet   (Workbook *wb);
Arturo Espinosa's avatar
Arturo Espinosa committed
167

Arturo Espinosa's avatar
Arturo Espinosa committed
168 169 170 171 172
/*
 * Does any pending recalculations
 */
void        workbook_recalc              (Workbook *wb);

173 174 175 176
/*
 * Callback routine: invoked when the first view ItemGrid
 * is realized to allocate the default styles
 */
177
void     workbook_realized            (Workbook *, GdkWindow *);
178

179
extern   Workbook *current_workbook;
180
#endif