diff options
Diffstat (limited to 'widgets/misc/e-selection-model.c')
| -rw-r--r-- | widgets/misc/e-selection-model.c | 628 |
1 files changed, 0 insertions, 628 deletions
diff --git a/widgets/misc/e-selection-model.c b/widgets/misc/e-selection-model.c deleted file mode 100644 index 26f6769ae3..0000000000 --- a/widgets/misc/e-selection-model.c +++ /dev/null @@ -1,628 +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 <gdk/gdkkeysyms.h> -#include <gtk/gtksignal.h> -#include "e-selection-model.h" -#include "gal/util/e-util.h" - -#define ESM_CLASS(e) ((ESelectionModelClass *)((GtkObject *)e)->klass) - -#define PARENT_TYPE gtk_object_get_type () - -static GtkObjectClass *e_selection_model_parent_class; - -enum { - CURSOR_CHANGED, - CURSOR_ACTIVATED, - SELECTION_CHANGED, - LAST_SIGNAL -}; - -static guint e_selection_model_signals [LAST_SIGNAL] = { 0, }; - -enum { - ARG_0, - ARG_SORTER, - ARG_SELECTION_MODE, - ARG_CURSOR_MODE, -}; - -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); - - if (e_selection_model_parent_class->destroy) - (* e_selection_model_parent_class->destroy) (object); -} - -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_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_SELECTION_MODE: - esm->mode = GTK_VALUE_ENUM(*arg); - if (esm->mode == GTK_SELECTION_SINGLE) { - int cursor_row = e_selection_model_cursor_row(esm); - int cursor_col = e_selection_model_cursor_col(esm); - e_selection_model_do_something(esm, cursor_row, 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->mode = GTK_SELECTION_MULTIPLE; - selection->cursor_mode = E_CURSOR_SIMPLE; - selection->old_selection = -1; -} - -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, - E_OBJECT_CLASS_TYPE (object_class), - 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, - E_OBJECT_CLASS_TYPE (object_class), - 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, - E_OBJECT_CLASS_TYPE (object_class), - 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; - - klass->is_row_selected = NULL; - klass->foreach = NULL; - klass->clear = NULL; - klass->selected_count = NULL; - klass->select_all = NULL; - klass->invert_selection = NULL; - klass->row_count = NULL; - - klass->change_one_row = NULL; - klass->change_cursor = NULL; - klass->cursor_row = NULL; - klass->cursor_col = NULL; - - klass->select_single_row = NULL; - klass->toggle_single_row = NULL; - klass->move_selection_end = NULL; - klass->set_selection_end = NULL; - - - E_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::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 (ESM_CLASS(selection)->is_row_selected) - return ESM_CLASS(selection)->is_row_selected (selection, n); - else - return FALSE; -} - -/** - * 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) -{ - if (ESM_CLASS(selection)->foreach) - ESM_CLASS(selection)->foreach (selection, callback, closure); -} - -/** - * e_selection_model_clear - * @selection: #ESelectionModel to clear - * - * This routine clears the selection to no rows selected. - */ -void -e_selection_model_clear(ESelectionModel *selection) -{ - if (ESM_CLASS(selection)->clear) - ESM_CLASS(selection)->clear (selection); -} - -/** - * 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) -{ - if (ESM_CLASS(selection)->selected_count) - return ESM_CLASS(selection)->selected_count (selection); - else - return 0; -} - -/** - * 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) -{ - if (ESM_CLASS(selection)->select_all) - ESM_CLASS(selection)->select_all (selection); -} - -/** - * 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) -{ - if (ESM_CLASS(selection)->invert_selection) - ESM_CLASS(selection)->invert_selection (selection); -} - -int -e_selection_model_row_count (ESelectionModel *selection) -{ - if (ESM_CLASS(selection)->row_count) - return ESM_CLASS(selection)->row_count (selection); - else - return 0; -} - -void -e_selection_model_change_one_row(ESelectionModel *selection, int row, gboolean grow) -{ - if (ESM_CLASS(selection)->change_one_row) - ESM_CLASS(selection)->change_one_row (selection, row, grow); -} - -void -e_selection_model_change_cursor (ESelectionModel *selection, int row, int col) -{ - if (ESM_CLASS(selection)->change_cursor) - ESM_CLASS(selection)->change_cursor (selection, row, col); -} - -int -e_selection_model_cursor_row (ESelectionModel *selection) -{ - if (ESM_CLASS(selection)->cursor_row) - return ESM_CLASS(selection)->cursor_row (selection); - else - return -1; -} - -int -e_selection_model_cursor_col (ESelectionModel *selection) -{ - if (ESM_CLASS(selection)->cursor_col) - return ESM_CLASS(selection)->cursor_col (selection); - else - return -1; -} - -void -e_selection_model_select_single_row (ESelectionModel *selection, int row) -{ - if (ESM_CLASS(selection)->select_single_row) - ESM_CLASS(selection)->select_single_row (selection, row); -} - -void -e_selection_model_toggle_single_row (ESelectionModel *selection, int row) -{ - if (ESM_CLASS(selection)->toggle_single_row) - ESM_CLASS(selection)->toggle_single_row (selection, row); -} - -void -e_selection_model_move_selection_end (ESelectionModel *selection, int row) -{ - if (ESM_CLASS(selection)->move_selection_end) - ESM_CLASS(selection)->move_selection_end (selection, row); -} - -void -e_selection_model_set_selection_end (ESelectionModel *selection, int row) -{ - if (ESM_CLASS(selection)->set_selection_end) - ESM_CLASS(selection)->set_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; - int row_count; - - selection->old_selection = -1; - - if (row == -1 && col != -1) - row = 0; - if (col == -1 && row != -1) - col = 0; - - row_count = e_selection_model_row_count(selection); - if (row_count >= 0 && row < row_count) { - switch (selection->mode) { - case GTK_SELECTION_SINGLE: - e_selection_model_select_single_row (selection, row); - break; - case GTK_SELECTION_BROWSE: - case GTK_SELECTION_MULTIPLE: - case GTK_SELECTION_EXTENDED: - if (shift_p) { - e_selection_model_set_selection_end (selection, row); - } else { - if (ctrl_p) { - e_selection_model_toggle_single_row (selection, row); - } else { - e_selection_model_select_single_row (selection, row); - } - } - break; - } - e_selection_model_change_cursor(selection, row, 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. - */ -gboolean -e_selection_model_maybe_do_something (ESelectionModel *selection, - guint row, - guint col, - GdkModifierType state) -{ - selection->old_selection = -1; - - if (e_selection_model_is_row_selected(selection, row)) { - e_selection_model_change_cursor(selection, row, col); - gtk_signal_emit(GTK_OBJECT(selection), - e_selection_model_signals[CURSOR_CHANGED], row, col); - return FALSE; - } else { - e_selection_model_do_something(selection, row, col, state); - return TRUE; - } -} - -void -e_selection_model_right_click_down (ESelectionModel *selection, - guint row, - guint col, - GdkModifierType state) -{ - if (selection->mode == GTK_SELECTION_SINGLE) { - selection->old_selection = e_selection_model_cursor_row (selection); - e_selection_model_select_single_row (selection, row); - } else { - e_selection_model_maybe_do_something (selection, row, col, state); - } -} - -void -e_selection_model_right_click_up (ESelectionModel *selection) -{ - if (selection->mode == GTK_SELECTION_SINGLE && selection->old_selection != -1) { - e_selection_model_select_single_row (selection, selection->old_selection); - } -} - -void -e_selection_model_select_as_key_press (ESelectionModel *selection, - guint row, - guint col, - GdkModifierType state) -{ - int cursor_activated = TRUE; - - gint shift_p = state & GDK_SHIFT_MASK; - gint ctrl_p = state & GDK_CONTROL_MASK; - - selection->old_selection = -1; - - switch (selection->mode) { - case GTK_SELECTION_BROWSE: - if (shift_p) { - e_selection_model_set_selection_end (selection, row); - } else if (!ctrl_p) { - e_selection_model_select_single_row (selection, row); - } else - cursor_activated = FALSE; - break; - case GTK_SELECTION_SINGLE: - case GTK_SELECTION_MULTIPLE: - case GTK_SELECTION_EXTENDED: - e_selection_model_select_single_row (selection, row); - break; - } - if (row != -1) { - e_selection_model_change_cursor(selection, row, col); - 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); - } -} - -static gint -move_selection (ESelectionModel *selection, - gboolean up, - GdkModifierType state) -{ - int row = e_selection_model_cursor_row(selection); - int col = e_selection_model_cursor_col(selection); - int row_count; - - row = e_sorter_model_to_sorted(selection->sorter, row); - if (up) - row--; - else - row++; - if (row < 0) - row = 0; - row_count = e_selection_model_row_count(selection); - if (row >= row_count) - row = row_count - 1; - row = e_sorter_sorted_to_model(selection->sorter, row); - - e_selection_model_select_as_key_press (selection, row, col, state); - 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) -{ - selection->old_selection = -1; - - switch (key->keyval) { - case GDK_Up: - case GDK_KP_Up: - return move_selection(selection, TRUE, key->state); - break; - case GDK_Down: - case GDK_KP_Down: - return move_selection(selection, FALSE, key->state); - break; - case GDK_space: - case GDK_KP_Space: - if (selection->mode != GTK_SELECTION_SINGLE) { - int row = e_selection_model_cursor_row(selection); - int col = e_selection_model_cursor_col(selection); - e_selection_model_toggle_single_row (selection, row); - gtk_signal_emit(GTK_OBJECT(selection), - e_selection_model_signals[CURSOR_ACTIVATED], row, col); - return TRUE; - } - break; - case GDK_Return: - case GDK_KP_Enter: - if (selection->mode != GTK_SELECTION_SINGLE) { - int row = e_selection_model_cursor_row(selection); - int col = e_selection_model_cursor_col(selection); - e_selection_model_select_single_row (selection, row); - gtk_signal_emit(GTK_OBJECT(selection), - e_selection_model_signals[CURSOR_ACTIVATED], row, col); - return TRUE; - } - break; - case GDK_Home: - case GDK_KP_Home: - if (selection->cursor_mode == E_CURSOR_LINE) { - int row = 0; - int cursor_col = e_selection_model_cursor_col(selection); - - row = e_sorter_sorted_to_model(selection->sorter, row); - e_selection_model_select_as_key_press (selection, row, cursor_col, key->state); - return TRUE; - } - break; - case GDK_End: - case GDK_KP_End: - if (selection->cursor_mode == E_CURSOR_LINE) { - int row = e_selection_model_row_count(selection) - 1; - int cursor_col = e_selection_model_cursor_col(selection); - - row = e_sorter_sorted_to_model(selection->sorter, row); - e_selection_model_select_as_key_press (selection, row, cursor_col, key->state); - return TRUE; - } - break; - } - return FALSE; -} - -void -e_selection_model_cursor_changed (ESelectionModel *selection, - int row, - int col) -{ - gtk_signal_emit(GTK_OBJECT(selection), - e_selection_model_signals[CURSOR_CHANGED], row, col); -} - -void -e_selection_model_cursor_activated (ESelectionModel *selection, - int row, - int col) -{ - gtk_signal_emit(GTK_OBJECT(selection), - e_selection_model_signals[CURSOR_ACTIVATED], row, col); -} - -void -e_selection_model_selection_changed (ESelectionModel *selection) -{ - gtk_signal_emit(GTK_OBJECT(selection), - e_selection_model_signals[SELECTION_CHANGED]); -} |