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-rw-r--r--widgets/misc/e-selection-model.c661
1 files changed, 0 insertions, 661 deletions
diff --git a/widgets/misc/e-selection-model.c b/widgets/misc/e-selection-model.c
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index aea1ad9163..0000000000
--- a/widgets/misc/e-selection-model.c
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@@ -1,661 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-/*
- * e-selection-model.c
- * Copyright 2000, 2001, Ximian, Inc.
- *
- * Authors:
- * Chris Lahey <clahey@ximian.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License, version 2, as published by the Free Software Foundation.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
- * 02111-1307, USA.
- */
-
-#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,
- SELECTION_ROW_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);
-
- e_selection_model_signals [SELECTION_ROW_CHANGED] =
- gtk_signal_new ("selection_row_changed",
- GTK_RUN_LAST,
- E_OBJECT_CLASS_TYPE (object_class),
- GTK_SIGNAL_OFFSET (ESelectionModelClass, selection_row_changed),
- gtk_marshal_NONE__INT,
- GTK_TYPE_NONE, 1, GTK_TYPE_INT);
-
- klass->cursor_changed = NULL;
- klass->cursor_activated = NULL;
- klass->selection_changed = NULL;
- klass->selection_row_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:
- 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_select_single_row (selection, row);
- } else
- cursor_activated = FALSE;
- break;
- case GTK_SELECTION_SINGLE:
- 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]);
-}
-
-void
-e_selection_model_selection_row_changed (ESelectionModel *selection,
- int row)
-{
- gtk_signal_emit(GTK_OBJECT(selection),
- e_selection_model_signals[SELECTION_ROW_CHANGED],
- row);
-}