sheet.h 6.13 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

	/* The auto-expression */
	ExprTree   *auto_expr;
23
	String     *auto_expr_desc;
Arturo Espinosa's avatar
Arturo Espinosa committed
24
	GnomeCanvasItem  *auto_expr_label;
Arturo Espinosa's avatar
Arturo Espinosa committed
25
	
Arturo Espinosa's avatar
Arturo Espinosa committed
26
	/* Styles */
Arturo Espinosa's avatar
Arturo Espinosa committed
27 28
	Style      style;
	GHashTable *sheets;	/* keeps a list of the Sheets on this workbook */
29 30 31 32

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

Arturo Espinosa's avatar
Arturo Espinosa committed
33 34
	/* A queue with the cells to be evaluated */
	GList      *eval_queue;
35
	int        max_iterations;
Arturo Espinosa's avatar
Arturo Espinosa committed
36 37
} Workbook;

38 39 40 41 42 43
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
44
typedef struct {
45 46
	int        signature;
	
Arturo Espinosa's avatar
Arturo Espinosa committed
47
	Workbook   *workbook;
48
	GtkWidget  *toplevel, *col_canvas, *row_canvas;
Arturo Espinosa's avatar
Arturo Espinosa committed
49
	GtkWidget  *sheet_view;
50 51 52
	GnomeCanvasItem *col_item, *row_item;
	
	double     last_zoom_factor_used;
53 54 55
	char       *name;
		   
	Style      style;
56

57
	ColRowInfo default_col_style;
58
	GList      *cols_info;
59

60
	ColRowInfo default_row_style;
61
	GList      *rows_info;
Arturo Espinosa's avatar
Arturo Espinosa committed
62

63
	GHashTable *cell_hash;	/* The cells in hashed format */
64 65 66 67 68 69 70 71 72

	GList      *selections;

	/* Scrolling information */
	GtkWidget  *vs, *hs;	/* The scrollbars */
	GtkObject  *va, *ha;    /* The adjustments */
	
	int        max_col_used;
	int        max_row_used;
73 74 75

	/* The list of formulas */
	GList      *formula_cell_list;
76 77
} Sheet;

78 79 80
#define SHEET_SIGNATURE 0x12349876
#define IS_SHEET(x) (((Sheet *) x)->signature == SHEET_SIGNATURE)

Arturo Espinosa's avatar
Arturo Espinosa committed
81 82 83
typedef  void (*sheet_col_row_callback)(Sheet *sheet, ColRowInfo *ci,
					void *user_data);

Arturo Espinosa's avatar
Arturo Espinosa committed
84 85
typedef  int (*sheet_cell_foreach_callback)(Sheet *sheet, int col, int row,
					    Cell *cell, void *user_data);
86

87 88 89 90 91 92 93 94
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 */
95
void        sheet_select_all             (Sheet *sheet);
96 97 98 99 100 101 102 103
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);
104

105 106 107
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
108

Arturo Espinosa's avatar
Arturo Espinosa committed
109 110
/* Computation */
void        sheet_compute_cell        (Sheet *sheet, Cell *cell);
111

Arturo Espinosa's avatar
Arturo Espinosa committed
112 113
/* Cell management */
Cell       *sheet_cell_new            (Sheet *sheet, int col, int row);
Arturo Espinosa's avatar
Arturo Espinosa committed
114
int         sheet_cell_foreach_range  (Sheet *sheet, int only_existing,
Arturo Espinosa's avatar
Arturo Espinosa committed
115 116 117 118 119 120
				       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
121
/* Create new ColRowInfos from the default sheet style */
122 123
ColRowInfo *sheet_col_new             (Sheet *sheet);
ColRowInfo *sheet_row_new             (Sheet *sheet);
124 125
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
126 127

/* Duplicates the information of a col/row */
128
ColRowInfo *sheet_duplicate_colrow    (ColRowInfo *original);
Arturo Espinosa's avatar
Arturo Espinosa committed
129 130

/* Retrieve information from a col/row */
131 132
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
133

Arturo Espinosa's avatar
Arturo Espinosa committed
134 135 136 137
/* 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
138
/* Add a ColRowInfo to the Sheet */
139 140
void        sheet_col_add             (Sheet *sheet, ColRowInfo *cp);
void        sheet_row_add             (Sheet *sheet, ColRowInfo *cp);
Arturo Espinosa's avatar
Arturo Espinosa committed
141 142

/* Measure distances in pixels from one col/row to another */
143 144
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
145 146

/* Sets the width/height of a column row in terms of pixels */
147 148
void        sheet_col_set_width       (Sheet *sheet, int col, int width);
void        sheet_row_set_height      (Sheet *sheet, int row, int width);
149 150
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
151

Arturo Espinosa's avatar
Arturo Espinosa committed
152 153
Style      *sheet_style_compute       (Sheet *sheet, int col, int row);

154 155 156 157
/* 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
158
void        sheet_redraw_all          (Sheet *sheet);
Arturo Espinosa's avatar
Arturo Espinosa committed
159

160 161
void        sheet_update_auto_expr    (Sheet *sheet);

Arturo Espinosa's avatar
Arturo Espinosa committed
162 163 164
/*
 * Workbook
 */
165 166 167 168
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
169
Sheet      *workbook_get_current_sheet   (Workbook *wb);
170
void        workbook_auto_expr_label_set (Workbook *wb, char *text);
Arturo Espinosa's avatar
Arturo Espinosa committed
171

Arturo Espinosa's avatar
Arturo Espinosa committed
172 173 174 175 176
/*
 * Does any pending recalculations
 */
void        workbook_recalc              (Workbook *wb);

177 178 179 180
/*
 * Callback routine: invoked when the first view ItemGrid
 * is realized to allocate the default styles
 */
181
void     workbook_realized            (Workbook *, GdkWindow *);
182

183
extern   Workbook *current_workbook;
184
#endif