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Diffstat (limited to 'widgets/misc/e-selection-model.c')
| -rw-r--r-- | widgets/misc/e-selection-model.c | 852 |
1 files changed, 0 insertions, 852 deletions
diff --git a/widgets/misc/e-selection-model.c b/widgets/misc/e-selection-model.c deleted file mode 100644 index de48bc3952..0000000000 --- a/widgets/misc/e-selection-model.c +++ /dev/null @@ -1,852 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ -/* - * e-selection-model.c: a Selection Model - * - * Author: - * Christopher James Lahey <clahey@ximian.com> - * - * (C) 2000, 2001 Ximian, Inc. - */ -#include <config.h> -#include <gtk/gtksignal.h> -#include "e-selection-model.h" -#include "gal/util/e-util.h" -#include <gdk/gdkkeysyms.h> - -#define ESM_CLASS(e) ((ESelectionModelClass *)((GtkObject *)e)->klass) - -#define PARENT_TYPE gtk_object_get_type () - -#define ONES ((guint32) 0xffffffff) - -#define BOX(n) ((n) / 32) -#define OFFSET(n) (31 - ((n) % 32)) -#define BITMASK(n) ((guint32)(((guint32) 0x1) << OFFSET((n)))) -#define BITMASK_LEFT(n) ((((n) % 32) == 0) ? 0 : (ONES << (32 - ((n) % 32)))) -#define BITMASK_RIGHT(n) ((guint32)(((guint32) ONES) >> ((n) % 32))) - -static GtkObjectClass *e_selection_model_parent_class; - -static void change_one_row(ESelectionModel *selection, int row, gboolean grow); -static void esm_select_single_row (ESelectionModel *selection, int row); - -enum { - CURSOR_CHANGED, - CURSOR_ACTIVATED, - SELECTION_CHANGED, - LAST_SIGNAL -}; - -static guint e_selection_model_signals [LAST_SIGNAL] = { 0, }; - -enum { - ARG_0, - ARG_SORTER, - ARG_CURSOR_ROW, - ARG_CURSOR_COL, - ARG_SELECTION_MODE, - ARG_CURSOR_MODE, -}; - -static void -e_selection_model_insert_row_real(ESelectionModel *esm, int row) -{ - int box; - int i; - if(esm->row_count >= 0) { - /* Add another word if needed. */ - if ((esm->row_count & 0x1f) == 0) { - esm->selection = g_renew(gint, esm->selection, (esm->row_count >> 5) + 1); - esm->selection[esm->row_count >> 5] = 0; - } - - /* The box is the word that our row is in. */ - box = BOX(row); - /* Shift all words to the right of our box right one bit. */ - for (i = esm->row_count >> 5; i > box; i--) { - esm->selection[i] = (esm->selection[i] >> 1) | (esm->selection[i - 1] << 31); - } - - /* Shift right half of box one bit to the right. */ - esm->selection[box] = (esm->selection[box] & BITMASK_LEFT(row)) | ((esm->selection[box] & BITMASK_RIGHT(row)) >> 1); - esm->row_count ++; - } - if (esm->cursor_row >= row) - esm->cursor_row ++; -} - -static void -e_selection_model_delete_row_real(ESelectionModel *esm, int row) -{ - int box; - int i; - int last; - int selected = FALSE; - if(esm->row_count >= 0) { - guint32 bitmask; - box = row >> 5; - last = esm->row_count >> 5; - - /* Build bitmasks for the left and right half of the box */ - bitmask = BITMASK_RIGHT(row) >> 1; - selected = e_selection_model_is_row_selected(esm, row); - /* Shift right half of box one bit to the left. */ - esm->selection[box] = (esm->selection[box] & BITMASK_LEFT(row))| ((esm->selection[box] & bitmask) << 1); - - /* Shift all words to the right of our box left one bit. */ - if (box < last) { - esm->selection[box] &= esm->selection[box + 1] >> 31; - - for (i = box + 1; i < last; i++) { - esm->selection[i] = (esm->selection[i] << 1) | (esm->selection[i + 1] >> 31); - } - /* this over-runs our memory! */ - /*esm->selection[i] = esm->selection[i] << 1; */ - } - esm->row_count --; - /* Remove the last word if not needed. */ - if ((esm->row_count & 0x1f) == 0) { - esm->selection = g_renew(gint, esm->selection, esm->row_count >> 5); - } - if (selected && esm->mode == GTK_SELECTION_SINGLE) { - esm_select_single_row (esm, row > 0 ? row - 1 : 0); - } - } - if (esm->cursor_row >= row && esm->cursor_row > 0) - esm->cursor_row --; -} - -void -e_selection_model_delete_row(ESelectionModel *esm, int row) -{ - e_selection_model_delete_row_real(esm, row); - gtk_signal_emit(GTK_OBJECT(esm), - e_selection_model_signals [SELECTION_CHANGED]); - gtk_signal_emit(GTK_OBJECT(esm), - e_selection_model_signals [CURSOR_CHANGED], esm->cursor_row, esm->cursor_col); -} - -void -e_selection_model_insert_row(ESelectionModel *esm, int row) -{ - e_selection_model_insert_row_real(esm, row); - gtk_signal_emit(GTK_OBJECT(esm), - e_selection_model_signals [SELECTION_CHANGED]); - gtk_signal_emit(GTK_OBJECT(esm), - e_selection_model_signals [CURSOR_CHANGED], esm->cursor_row, esm->cursor_col); -} - -/* FIXME: Implement this more efficiently. */ -void -e_selection_model_move_row(ESelectionModel *esm, int old_row, int new_row) -{ - gint selected = e_selection_model_is_row_selected(esm, old_row); - gint cursor = esm->cursor_row == old_row; - - e_selection_model_delete_row_real(esm, old_row); - e_selection_model_insert_row_real(esm, new_row); - - if (selected) { - if (esm->mode == GTK_SELECTION_SINGLE) - esm_select_single_row (esm, new_row); - else - change_one_row(esm, new_row, TRUE); - } - if (cursor) { - esm->cursor_row = new_row; - } - gtk_signal_emit(GTK_OBJECT(esm), - e_selection_model_signals [SELECTION_CHANGED]); - gtk_signal_emit(GTK_OBJECT(esm), - e_selection_model_signals [CURSOR_CHANGED], esm->cursor_row, esm->cursor_col); -} - -inline static void -add_sorter(ESelectionModel *esm, ESorter *sorter) -{ - esm->sorter = sorter; - if (sorter) { - gtk_object_ref(GTK_OBJECT(sorter)); - } -} - -inline static void -drop_sorter(ESelectionModel *esm) -{ - if (esm->sorter) { - gtk_object_unref(GTK_OBJECT(esm->sorter)); - } - esm->sorter = NULL; -} - -static void -esm_destroy (GtkObject *object) -{ - ESelectionModel *esm; - - esm = E_SELECTION_MODEL (object); - - drop_sorter(esm); - - g_free(esm->selection); -} - -static void -esm_get_arg (GtkObject *o, GtkArg *arg, guint arg_id) -{ - ESelectionModel *esm = E_SELECTION_MODEL (o); - - switch (arg_id){ - case ARG_SORTER: - GTK_VALUE_OBJECT (*arg) = GTK_OBJECT(esm->sorter); - break; - - case ARG_CURSOR_ROW: - GTK_VALUE_INT(*arg) = esm->cursor_row; - break; - - case ARG_CURSOR_COL: - GTK_VALUE_INT(*arg) = esm->cursor_col; - break; - - case ARG_SELECTION_MODE: - GTK_VALUE_ENUM(*arg) = esm->mode; - break; - - case ARG_CURSOR_MODE: - GTK_VALUE_ENUM(*arg) = esm->cursor_mode; - break; - } -} - -static void -esm_set_arg (GtkObject *o, GtkArg *arg, guint arg_id) -{ - ESelectionModel *esm = E_SELECTION_MODEL (o); - - switch (arg_id){ - case ARG_SORTER: - drop_sorter(esm); - add_sorter(esm, GTK_VALUE_OBJECT (*arg) ? E_SORTER(GTK_VALUE_OBJECT (*arg)) : NULL); - break; - - case ARG_CURSOR_ROW: - e_selection_model_do_something(esm, GTK_VALUE_INT(*arg), esm->cursor_col, 0); - break; - - case ARG_CURSOR_COL: - e_selection_model_do_something(esm, esm->cursor_row, GTK_VALUE_INT(*arg), 0); - break; - - case ARG_SELECTION_MODE: - esm->mode = GTK_VALUE_ENUM(*arg); - if (esm->mode == GTK_SELECTION_SINGLE) { - e_selection_model_do_something(esm, esm->cursor_row, esm->cursor_col, 0); - } - break; - - case ARG_CURSOR_MODE: - esm->cursor_mode = GTK_VALUE_ENUM(*arg); - break; - } -} - -static void -e_selection_model_init (ESelectionModel *selection) -{ - selection->selection = NULL; - selection->row_count = -1; - selection->selection_start_row = 0; - selection->cursor_row = -1; - selection->cursor_col = -1; - selection->mode = GTK_SELECTION_MULTIPLE; - selection->cursor_mode = E_CURSOR_SIMPLE; -} - -static void -e_selection_model_class_init (ESelectionModelClass *klass) -{ - GtkObjectClass *object_class; - - e_selection_model_parent_class = gtk_type_class (gtk_object_get_type ()); - - object_class = GTK_OBJECT_CLASS(klass); - - object_class->destroy = esm_destroy; - object_class->get_arg = esm_get_arg; - object_class->set_arg = esm_set_arg; - - e_selection_model_signals [CURSOR_CHANGED] = - gtk_signal_new ("cursor_changed", - GTK_RUN_LAST, - object_class->type, - GTK_SIGNAL_OFFSET (ESelectionModelClass, cursor_changed), - gtk_marshal_NONE__INT_INT, - GTK_TYPE_NONE, 2, GTK_TYPE_INT, GTK_TYPE_INT); - - e_selection_model_signals [CURSOR_ACTIVATED] = - gtk_signal_new ("cursor_activated", - GTK_RUN_LAST, - object_class->type, - GTK_SIGNAL_OFFSET (ESelectionModelClass, cursor_activated), - gtk_marshal_NONE__INT_INT, - GTK_TYPE_NONE, 2, GTK_TYPE_INT, GTK_TYPE_INT); - - e_selection_model_signals [SELECTION_CHANGED] = - gtk_signal_new ("selection_changed", - GTK_RUN_LAST, - object_class->type, - GTK_SIGNAL_OFFSET (ESelectionModelClass, selection_changed), - gtk_marshal_NONE__NONE, - GTK_TYPE_NONE, 0); - - klass->cursor_changed = NULL; - klass->cursor_activated = NULL; - klass->selection_changed = NULL; - - gtk_object_class_add_signals (object_class, e_selection_model_signals, LAST_SIGNAL); - - gtk_object_add_arg_type ("ESelectionModel::sorter", GTK_TYPE_OBJECT, - GTK_ARG_READWRITE, ARG_SORTER); - gtk_object_add_arg_type ("ESelectionModel::cursor_row", GTK_TYPE_INT, - GTK_ARG_READWRITE, ARG_CURSOR_ROW); - gtk_object_add_arg_type ("ESelectionModel::cursor_col", GTK_TYPE_INT, - GTK_ARG_READWRITE, ARG_CURSOR_COL); - gtk_object_add_arg_type ("ESelectionModel::selection_mode", GTK_TYPE_ENUM, - GTK_ARG_READWRITE, ARG_SELECTION_MODE); - gtk_object_add_arg_type ("ESelectionModel::cursor_mode", GTK_TYPE_ENUM, - GTK_ARG_READWRITE, ARG_CURSOR_MODE); -} - -E_MAKE_TYPE(e_selection_model, "ESelectionModel", ESelectionModel, - e_selection_model_class_init, e_selection_model_init, PARENT_TYPE); - -/** - * e_selection_model_is_row_selected - * @selection: #ESelectionModel to check - * @n: The row to check - * - * This routine calculates whether the given row is selected. - * - * Returns: %TRUE if the given row is selected - */ -gboolean -e_selection_model_is_row_selected (ESelectionModel *selection, - gint n) -{ - if (selection->row_count < n || selection->row_count == 0) - return 0; - else - return (selection->selection[BOX(n)] >> OFFSET(n)) & 0x1; -} - -/** - * e_selection_model_foreach - * @selection: #ESelectionModel to traverse - * @callback: The callback function to call back. - * @closure: The closure - * - * This routine calls the given callback function once for each - * selected row, passing closure as the closure. - */ -void -e_selection_model_foreach (ESelectionModel *selection, - EForeachFunc callback, - gpointer closure) -{ - int i; - int last = (selection->row_count + 31) / 32; - for (i = 0; i < last; i++) { - if (selection->selection[i]) { - int j; - guint32 value = selection->selection[i]; - for (j = 0; j < 32; j++) { - if (value & 0x80000000) { - callback(i * 32 + j, closure); - } - value <<= 1; - } - } - } -} - -#define OPERATE(object, i,mask,grow) ((grow) ? (((object)->selection[(i)]) |= ((guint32) ~(mask))) : (((object)->selection[(i)]) &= (mask))) - -static void -change_one_row(ESelectionModel *selection, int row, gboolean grow) -{ - int i; - i = BOX(row); - - OPERATE(selection, i, ~BITMASK(row), grow); -} - -static void -change_selection(ESelectionModel *selection, int start, int end, gboolean grow) -{ - int i, last; - if (start != end) { - if (selection->sorter && e_sorter_needs_sorting(selection->sorter)) { - for ( i = start; i < end; i++) { - change_one_row(selection, e_sorter_sorted_to_model(selection->sorter, i), grow); - } - } else { - i = BOX(start); - last = BOX(end); - - if (i == last) { - OPERATE(selection, i, BITMASK_LEFT(start) | BITMASK_RIGHT(end), grow); - } else { - OPERATE(selection, i, BITMASK_LEFT(start), grow); - if (grow) - for (i ++; i < last; i++) - selection->selection[i] = ONES; - else - for (i ++; i < last; i++) - selection->selection[i] = 0; - OPERATE(selection, i, BITMASK_RIGHT(end), grow); - } - } - } -} - -static void -esm_select_single_row (ESelectionModel *selection, int row) -{ - int i; - for (i = 0; i < ((selection->row_count + 31) / 32); i++) { - if (!((i == BOX(row) && selection->selection[i] == BITMASK(row)) || - (i != BOX(row) && selection->selection[i] == 0))) { - g_free(selection->selection); - selection->selection = g_new0(gint, (selection->row_count + 31) / 32); - selection->selection[BOX(row)] = BITMASK(row); - - gtk_signal_emit(GTK_OBJECT(selection), - e_selection_model_signals [SELECTION_CHANGED]); - break; - } - } - - selection->selection_start_row = row; -} - -static void -esm_toggle_single_row (ESelectionModel *selection, int row) -{ - if (selection->selection[BOX(row)] & BITMASK(row)) - selection->selection[BOX(row)] &= ~BITMASK(row); - else - selection->selection[BOX(row)] |= BITMASK(row); - selection->selection_start_row = row; - gtk_signal_emit(GTK_OBJECT(selection), - e_selection_model_signals [SELECTION_CHANGED]); -} - -static void -esm_move_selection_end (ESelectionModel *selection, int row) -{ - int old_start; - int old_end; - int new_start; - int new_end; - if (selection->sorter && e_sorter_needs_sorting(selection->sorter)) { - old_start = MIN (e_sorter_model_to_sorted(selection->sorter, selection->selection_start_row), - e_sorter_model_to_sorted(selection->sorter, selection->cursor_row)); - old_end = MAX (e_sorter_model_to_sorted(selection->sorter, selection->selection_start_row), - e_sorter_model_to_sorted(selection->sorter, selection->cursor_row)) + 1; - new_start = MIN (e_sorter_model_to_sorted(selection->sorter, selection->selection_start_row), - e_sorter_model_to_sorted(selection->sorter, row)); - new_end = MAX (e_sorter_model_to_sorted(selection->sorter, selection->selection_start_row), - e_sorter_model_to_sorted(selection->sorter, row)) + 1; - } else { - old_start = MIN (selection->selection_start_row, selection->cursor_row); - old_end = MAX (selection->selection_start_row, selection->cursor_row) + 1; - new_start = MIN (selection->selection_start_row, row); - new_end = MAX (selection->selection_start_row, row) + 1; - } - /* This wouldn't work nearly so smoothly if one end of the selection weren't held in place. */ - if (old_start < new_start) - change_selection(selection, old_start, new_start, FALSE); - if (new_start < old_start) - change_selection(selection, new_start, old_start, TRUE); - if (old_end < new_end) - change_selection(selection, old_end, new_end, TRUE); - if (new_end < old_end) - change_selection(selection, new_end, old_end, FALSE); - gtk_signal_emit(GTK_OBJECT(selection), - e_selection_model_signals [SELECTION_CHANGED]); -} - -static void -esm_set_selection_end (ESelectionModel *selection, int row) -{ - esm_select_single_row(selection, selection->selection_start_row); - selection->cursor_row = selection->selection_start_row; - esm_move_selection_end(selection, row); -} - -/** - * e_selection_model_do_something - * @selection: #ESelectionModel to do something to. - * @row: The row to do something in. - * @col: The col to do something in. - * @state: The state in which to do something. - * - * This routine does whatever is appropriate as if the user clicked - * the mouse in the given row and column. - */ -void -e_selection_model_do_something (ESelectionModel *selection, - guint row, - guint col, - GdkModifierType state) -{ - gint shift_p = state & GDK_SHIFT_MASK; - gint ctrl_p = state & GDK_CONTROL_MASK; - - if (row == -1 && col != -1) - row = 0; - if (col == -1 && row != -1) - col = 0; - - if (selection->row_count < 0) { - selection->row_count = e_selection_model_get_row_count(selection); - if (selection->row_count < 0) - return; - g_free(selection->selection); - selection->selection = g_new0(gint, (selection->row_count + 31) / 32); - } - if (selection->row_count >= 0 && row < selection->row_count) { - switch (selection->mode) { - case GTK_SELECTION_SINGLE: - esm_select_single_row (selection, row); - break; - case GTK_SELECTION_BROWSE: - case GTK_SELECTION_MULTIPLE: - case GTK_SELECTION_EXTENDED: - if (shift_p) { - esm_set_selection_end (selection, row); - } else { - if (ctrl_p) { - esm_toggle_single_row (selection, row); - } else { - esm_select_single_row (selection, row); - } - } - break; - } - if (selection->cursor_row != row || - selection->cursor_col != col) { - selection->cursor_row = row; - selection->cursor_col = col; - gtk_signal_emit(GTK_OBJECT(selection), - e_selection_model_signals[CURSOR_CHANGED], row, col); - gtk_signal_emit(GTK_OBJECT(selection), - e_selection_model_signals[CURSOR_ACTIVATED], row, col); - } - } -} - -/** - * e_selection_model_maybe_do_something - * @selection: #ESelectionModel to do something to. - * @row: The row to do something in. - * @col: The col to do something in. - * @state: The state in which to do something. - * - * If this row is selected, this routine just moves the cursor row and - * column. Otherwise, it does the same thing as - * e_selection_model_do_something(). This is for being used on - * right clicks and other events where if the user hit the selection, - * they don't want it to change. - */ -void -e_selection_model_maybe_do_something (ESelectionModel *selection, - guint row, - guint col, - GdkModifierType state) -{ - if (e_selection_model_is_row_selected(selection, row)) { - selection->cursor_row = row; - selection->cursor_col = col; - } else { - e_selection_model_do_something(selection, row, col, state); - } -} - -static gint -move_selection (ESelectionModel *selection, - gboolean up, - GdkModifierType state) -{ - int row = selection->cursor_row; - int col = selection->cursor_col; - int cursor_activated = TRUE; - - gint shift_p = state & GDK_SHIFT_MASK; - gint ctrl_p = state & GDK_CONTROL_MASK; - - row = e_sorter_model_to_sorted(selection->sorter, row); - if (up) - row--; - else - row++; - if (row < 0) - row = 0; - if (row >= selection->row_count) - row = selection->row_count - 1; - row = e_sorter_sorted_to_model(selection->sorter, row); - - switch (selection->mode) { - case GTK_SELECTION_BROWSE: - if (shift_p) { - esm_set_selection_end (selection, row); - } else if (!ctrl_p) { - esm_select_single_row (selection, row); - } else - cursor_activated = FALSE; - break; - case GTK_SELECTION_SINGLE: - case GTK_SELECTION_MULTIPLE: - case GTK_SELECTION_EXTENDED: - esm_select_single_row (selection, row); - break; - } - if (row != -1) { - selection->cursor_row = row; - gtk_signal_emit(GTK_OBJECT(selection), - e_selection_model_signals[CURSOR_CHANGED], row, col); - if (cursor_activated) - gtk_signal_emit(GTK_OBJECT(selection), - e_selection_model_signals[CURSOR_ACTIVATED], row, col); - } - return TRUE; -} - -/** - * e_selection_model_key_press - * @selection: #ESelectionModel to affect. - * @key: The event. - * - * This routine does whatever is appropriate as if the user pressed - * the given key. - * - * Returns: %TRUE if the #ESelectionModel used the key. - */ -gint -e_selection_model_key_press (ESelectionModel *selection, - GdkEventKey *key) -{ - switch (key->keyval) { - case GDK_Up: - return move_selection(selection, TRUE, key->state); - break; - case GDK_Down: - return move_selection(selection, FALSE, key->state); - break; - case GDK_space: - case GDK_KP_Space: - if (selection->mode != GTK_SELECTION_SINGLE) { - esm_toggle_single_row (selection, selection->cursor_row); - gtk_signal_emit(GTK_OBJECT(selection), - e_selection_model_signals[CURSOR_ACTIVATED], selection->cursor_row, selection->cursor_col); - return TRUE; - } - break; - case GDK_Return: - case GDK_KP_Enter: - if (selection->mode != GTK_SELECTION_SINGLE) { - esm_select_single_row (selection, selection->cursor_row); - gtk_signal_emit(GTK_OBJECT(selection), - e_selection_model_signals[CURSOR_ACTIVATED], selection->cursor_row, selection->cursor_col); - return TRUE; - } - break; - case GDK_Home: - case GDK_KP_Home: - if (selection->cursor_mode == E_CURSOR_LINE) { - int row = 0; - - row = e_sorter_sorted_to_model(selection->sorter, row); - selection->cursor_row = row; - - esm_select_single_row (selection, selection->cursor_row); - gtk_signal_emit(GTK_OBJECT(selection), - e_selection_model_signals[CURSOR_CHANGED], selection->cursor_row, selection->cursor_col); - gtk_signal_emit(GTK_OBJECT(selection), - e_selection_model_signals[CURSOR_ACTIVATED], selection->cursor_row, selection->cursor_col); - return TRUE; - } - break; - case GDK_End: - case GDK_KP_End: - if (selection->cursor_mode == E_CURSOR_LINE) { - int row = selection->row_count - 1; - - row = e_sorter_sorted_to_model(selection->sorter, row); - selection->cursor_row = row; - - esm_select_single_row (selection, selection->cursor_row); - gtk_signal_emit(GTK_OBJECT(selection), - e_selection_model_signals[CURSOR_CHANGED], selection->cursor_row, selection->cursor_col); - gtk_signal_emit(GTK_OBJECT(selection), - e_selection_model_signals[CURSOR_ACTIVATED], selection->cursor_row, selection->cursor_col); - return TRUE; - } - break; - } - return FALSE; -} - -/** - * e_selection_model_clear - * @selection: #ESelectionModel to clear - * - * This routine clears the selection to no rows selected. - */ -void -e_selection_model_clear(ESelectionModel *selection) -{ - g_free(selection->selection); - selection->selection = NULL; - selection->row_count = -1; - selection->cursor_row = -1; - selection->cursor_col = -1; - gtk_signal_emit(GTK_OBJECT(selection), - e_selection_model_signals [CURSOR_CHANGED], -1, -1); - gtk_signal_emit(GTK_OBJECT(selection), - e_selection_model_signals [SELECTION_CHANGED]); -} - -#define PART(x,n) (((x) & (0x01010101 << n)) >> n) -#define SECTION(x, n) (((x) >> (n * 8)) & 0xff) - -/** - * e_selection_model_selected_count - * @selection: #ESelectionModel to count - * - * This routine calculates the number of rows selected. - * - * Returns: The number of rows selected in the given model. - */ -gint -e_selection_model_selected_count (ESelectionModel *selection) -{ - gint count; - int i; - int last; - - if (!selection->selection) - return 0; - - count = 0; - - last = BOX(selection->row_count - 1); - - for (i = 0; i <= last; i++) { - int j; - guint32 thiscount = 0; - for (j = 0; j < 8; j++) - thiscount += PART(selection->selection[i], j); - for (j = 0; j < 4; j++) - count += SECTION(thiscount, j); - } - - return count; -} - -/** - * e_selection_model_select_all - * @selection: #ESelectionModel to select all - * - * This routine selects all the rows in the given - * #ESelectionModel. - */ -void -e_selection_model_select_all (ESelectionModel *selection) -{ - int i; - - if (selection->row_count < 0) { - selection->row_count = e_selection_model_get_row_count(selection); - if (selection->row_count < 0) - return; - g_free (selection->selection); - selection->selection = g_new0 (gint, (selection->row_count + 31) / 32); - } - - if (!selection->selection) - selection->selection = g_new0 (gint, (selection->row_count + 31) / 32); - - for (i = 0; i < (selection->row_count + 31) / 32; i ++) { - selection->selection[i] = ONES; - } - - /* need to zero out the bits corresponding to the rows not - selected in the last full 32 bit mask */ - if (selection->row_count % 32) { - int unselected_mask = 0; - int num_unselected_in_last_byte = 32 - selection->row_count % 32; - - for (i = 0; i < num_unselected_in_last_byte; i ++) - unselected_mask |= 1 << i; - - selection->selection[(selection->row_count + 31) / 32 - 1] &= ~unselected_mask; - } - - selection->cursor_col = 0; - selection->cursor_row = 0; - selection->selection_start_row = 0; - gtk_signal_emit (GTK_OBJECT (selection), - e_selection_model_signals [CURSOR_CHANGED], 0, 0); - gtk_signal_emit (GTK_OBJECT (selection), - e_selection_model_signals [SELECTION_CHANGED]); -} - -/** - * e_selection_model_invert_selection - * @selection: #ESelectionModel to invert - * - * This routine inverts all the rows in the given - * #ESelectionModel. - */ -void -e_selection_model_invert_selection (ESelectionModel *selection) -{ - int i; - - if (selection->row_count < 0) { - selection->row_count = e_selection_model_get_row_count (selection); - if (selection->row_count < 0) - return; - g_free (selection->selection); - selection->selection = g_new0 (gint, (selection->row_count + 31) / 32); - } - - if (!selection->selection) - selection->selection = g_new0 (gint, (selection->row_count + 31) / 32); - - for (i = 0; i < (selection->row_count + 31) / 32; i ++) { - selection->selection[i] = ~selection->selection[i]; - } - - selection->cursor_col = -1; - selection->cursor_row = -1; - selection->selection_start_row = 0; - gtk_signal_emit (GTK_OBJECT (selection), - e_selection_model_signals [CURSOR_CHANGED], -1, -1); - gtk_signal_emit (GTK_OBJECT (selection), - e_selection_model_signals [SELECTION_CHANGED]); -} - -int -e_selection_model_get_row_count (ESelectionModel *selection) -{ - g_return_val_if_fail(selection != NULL, 0); - g_return_val_if_fail(E_IS_SELECTION_MODEL(selection), 0); - - if (ESM_CLASS(selection)->get_row_count) - return ESM_CLASS(selection)->get_row_count (selection); - else - return 0; -} |