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-rw-r--r--widgets/table/e-cell-spin-button.c663
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diff --git a/widgets/table/e-cell-spin-button.c b/widgets/table/e-cell-spin-button.c
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+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/*
+ * Copyright (C) 2001 CodeFactory AB
+ * Copyright (C) 2001 Mikael Hallendal <micke@codefactory.se>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program 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
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Author: Mikael Hallendal <micke@codefactory.se>
+ *
+ * Celltype for drawing a spinbutton in a cell.
+ *
+ * Used ECellPopup by Damon Chaplin <damon@ximian.com> as base for
+ * buttondrawings.
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <gtk/gtksignal.h>
+#include <gal/e-table/e-table-item.h>
+#include <gal/e-table/e-table-model.h>
+#include <gal/e-table/e-cell-float.h>
+#include <gal/e-table/e-cell-number.h>
+#include <gal/util/e-util.h>
+#include "e-cell-spin-button.h"
+
+#define E_CELL_SPIN_BUTTON_ARROW_WIDTH 16
+#define PARENT_TYPE e_cell_get_type ()
+
+static void e_cell_spin_button_class_init (GtkObjectClass *klass);
+static void e_cell_spin_button_init (GtkObject *object);
+
+static void ecsb_destroy (GtkObject *object);
+
+/* ECell Functions */
+static ECellView * ecsb_new_view (ECell *ecell,
+ ETableModel *etm,
+ void *eti_view);
+static void ecsb_realize (ECellView *ecv);
+static void ecsb_kill_view (ECellView *ecv);
+static void ecsb_unrealize (ECellView *ecv);
+static void ecsb_draw (ECellView *ecv,
+ GdkDrawable *drawable,
+ int model_col,
+ int view_col,
+ int row,
+ ECellFlags flags,
+ int x1,
+ int y1,
+ int x2,
+ int y2);
+
+static gint ecsb_event (ECellView *ecv,
+ GdkEvent *event,
+ int model_col,
+ int view_col,
+ int row,
+ ECellFlags flags,
+ ECellActions *actions);
+
+static gint ecsb_height (ECellView *ecv,
+ int model_col,
+ int view_col,
+ int row);
+
+static void * ecsb_enter_edit (ECellView *ecv,
+ int model_col,
+ int view_col,
+ int row);
+
+static void ecsb_leave_edit (ECellView *ecv,
+ int model_col,
+ int view_col,
+ int row,
+ void *context);
+static void ecsb_focus (ECellView *ecell_view,
+ int model_col,
+ int view_col,
+ int row,
+ int x1,
+ int y1,
+ int x2,
+ int y2);
+static void ecsb_unfocus (ECellView *ecell_view);
+
+static void ecsb_show_tooltip (ECellView *ecv,
+ int model_col,
+ int view_col,
+ int row,
+ int col_width,
+ ETableTooltip *tooltip);
+
+typedef struct {
+ ECellView cell_view;
+
+ ECellView *child_view;
+} ECellSpinButtonView;
+
+enum {
+ STEP,
+ LAST_SIGNAL
+};
+
+static gint signals[LAST_SIGNAL] = { 0 };
+static ECell *parent_class;
+
+static void
+e_cell_spin_button_class_init (GtkObjectClass *klass)
+{
+ ECellClass *ecc = (ECellClass *) klass;
+ ECellSpinButtonClass *ecsbc = (ECellSpinButtonClass *) klass;
+
+ klass->destroy = ecsb_destroy;
+
+ ecc->realize = ecsb_realize;
+ ecc->unrealize = ecsb_unrealize;
+ ecc->new_view = ecsb_new_view;
+ ecc->kill_view = ecsb_kill_view;
+ ecc->draw = ecsb_draw;
+ ecc->event = ecsb_event;
+ ecc->height = ecsb_height;
+ ecc->enter_edit = ecsb_enter_edit;
+ ecc->leave_edit = ecsb_leave_edit;
+ ecc->focus = ecsb_focus;
+ ecc->unfocus = ecsb_unfocus; ecc->print = NULL;
+ ecc->print_height = NULL;
+ ecc->max_width = NULL;
+ ecc->show_tooltip = ecsb_show_tooltip;
+
+ ecsbc->step = NULL;
+
+ parent_class = gtk_type_class (E_CELL_TYPE);
+
+ signals[STEP] =
+ gtk_signal_new ("step",
+ GTK_RUN_LAST,
+ klass->type,
+ GTK_SIGNAL_OFFSET (ECellSpinButtonClass, step),
+ e_marshal_NONE__POINTER_INT_INT_INT,
+ GTK_TYPE_NONE,
+ 4, GTK_TYPE_POINTER, GTK_TYPE_INT,
+ GTK_TYPE_INT, GTK_TYPE_INT);
+
+ gtk_object_class_add_signals (klass, signals, LAST_SIGNAL);
+}
+
+static void
+e_cell_spin_button_init (GtkObject *object)
+{
+ ECellSpinButton *ecsb;
+
+ g_return_if_fail (object != NULL);
+ g_return_if_fail (M_IS_CELL_SPIN_BUTTON (object));
+
+ ecsb = E_CELL_SPIN_BUTTON (object);
+
+ ecsb->up_pressed = FALSE;
+ ecsb->down_pressed = FALSE;
+}
+
+static ECellView *
+ecsb_new_view (ECell *ecell,
+ ETableModel *etm,
+ void *eti_view)
+{
+ ECellSpinButton *ecsb = E_CELL_SPIN_BUTTON (ecell);
+ ECellSpinButtonView *ecsb_view;
+
+ g_return_val_if_fail (ecsb->child != NULL, NULL);
+
+ ecsb_view = g_new0 (ECellSpinButtonView, 1);
+
+ ecsb_view->cell_view.ecell = ecell;
+ ecsb_view->cell_view.e_table_model = etm;
+ ecsb_view->cell_view.e_table_item_view = eti_view;
+
+ ecsb_view->child_view = e_cell_new_view (ecsb->child, etm, eti_view);
+
+ return (ECellView *) ecsb_view;
+}
+
+static void
+ecsb_realize (ECellView *ecv)
+{
+ ECellSpinButtonView *ecsb_view;
+
+ g_return_if_fail (ecv != NULL);
+
+ ecsb_view = (ECellSpinButtonView *) ecv;
+
+ e_cell_realize (ecsb_view->child_view);
+}
+
+static void
+ecsb_kill_view (ECellView *ecv)
+{
+ ECellSpinButtonView *ecsb_view;
+
+ g_return_if_fail (ecv != NULL);
+
+ ecsb_view = (ECellSpinButtonView *) ecv;
+
+ if (ecsb_view->child_view) {
+ e_cell_kill_view (ecsb_view->child_view);
+ }
+
+ g_free (ecsb_view);
+}
+
+static void
+ecsb_unrealize (ECellView *ecv)
+{
+ ECellSpinButtonView *ecsb_view;
+
+ g_return_if_fail (ecv != NULL);
+
+ ecsb_view = (ECellSpinButtonView *) ecv;
+
+ e_cell_unrealize (ecsb_view->child_view);
+}
+
+static void
+ecsb_draw (ECellView *ecv,
+ GdkDrawable *drawable,
+ int model_col,
+ int view_col,
+ int row,
+ ECellFlags flags,
+ int x1,
+ int y1,
+ int x2,
+ int y2)
+{
+ ECellSpinButton *ecsb;
+ ECellSpinButtonView *ecsb_view;
+ ETableItem *eti;
+ GtkWidget *canvas;
+ GtkShadowType shadow = GTK_SHADOW_OUT;
+ GdkRectangle rect;
+
+ g_return_if_fail (ecv != NULL);
+
+ ecsb_view = (ECellSpinButtonView *) ecv;
+ ecsb = E_CELL_SPIN_BUTTON (ecsb_view->cell_view.ecell);
+
+ eti = E_TABLE_ITEM (ecsb_view->cell_view.e_table_item_view);
+ canvas = GTK_WIDGET (GNOME_CANVAS_ITEM (eti)->canvas);
+
+ if (eti->editing_col == view_col &&
+ eti->editing_row == row) {
+
+ /* Draw child (Whats shown under the buttons) */
+ e_cell_draw (ecsb_view->child_view,
+ drawable, model_col, view_col,
+ row, flags,
+ x1, y1,
+ x2 - E_CELL_SPIN_BUTTON_ARROW_WIDTH, y2);
+
+ /* Draw down-arrow */
+ rect.x = x2 - E_CELL_SPIN_BUTTON_ARROW_WIDTH;
+ rect.y = y1 + (y2 - y1) / 2;
+ rect.width = E_CELL_SPIN_BUTTON_ARROW_WIDTH;
+ rect.height = (y2 - y1) / 2;
+
+ if (ecsb->down_pressed) {
+ shadow = GTK_SHADOW_IN;
+ } else {
+ shadow = GTK_SHADOW_OUT;
+ }
+
+ gtk_paint_box (canvas->style, drawable,
+ GTK_STATE_NORMAL, shadow,
+ &rect, canvas, "ecellspinbutton_down",
+ rect.x, rect.y, rect.width, rect.height);
+
+ gtk_paint_arrow (canvas->style, drawable,
+ GTK_STATE_NORMAL, shadow,
+ &rect, canvas, NULL,
+ GTK_ARROW_DOWN, TRUE,
+ rect.x,
+ rect.y,
+ rect.width,
+ rect.height);
+
+ /* Draw up-arrow */
+ rect.y = y1;
+
+ if (ecsb->up_pressed) {
+ shadow = GTK_SHADOW_IN;
+ } else {
+ shadow = GTK_SHADOW_OUT;
+ }
+
+ gtk_paint_box (canvas->style, drawable,
+ GTK_STATE_NORMAL, shadow,
+ &rect, canvas, "ecellspinbutton_up",
+ rect.x, rect.y, rect.width, rect.height);
+
+ gtk_paint_arrow (canvas->style, drawable,
+ GTK_STATE_NORMAL, shadow,
+ &rect, canvas, NULL,
+ GTK_ARROW_UP, TRUE,
+ rect.x,
+ rect.y,
+ rect.width,
+ rect.height);
+ } else {
+ /* Draw child */
+ e_cell_draw (ecsb_view->child_view,
+ drawable, model_col, view_col,
+ row, flags,
+ x1, y1,
+ x2, y2);
+ }
+}
+
+static gint
+ecsb_event (ECellView *ecv,
+ GdkEvent *event,
+ int model_col,
+ int view_col,
+ int row,
+ ECellFlags flags,
+ ECellActions *actions)
+{
+ ECellSpinButton *ecsb;
+ ECellSpinButtonClass *ecsb_class;
+ ECellSpinButtonView *ecsb_view;
+ ETableItem *eti;
+ gint height, width;
+
+ g_return_val_if_fail (ecv != NULL, FALSE);
+
+ ecsb_view = (ECellSpinButtonView *) ecv;
+ ecsb = E_CELL_SPIN_BUTTON (ecsb_view->cell_view.ecell);
+ ecsb_class = E_CELL_SPIN_BUTTON_CLASS (GTK_OBJECT(ecsb)->klass);
+ eti = E_TABLE_ITEM (ecsb_view->cell_view.e_table_item_view);
+
+ switch (event->type) {
+ case GDK_BUTTON_PRESS:
+ if (eti->editing_col == view_col &&
+ eti->editing_row == row) {
+ width = e_table_header_col_diff (eti->header,
+ view_col,
+ view_col + 1);
+ height = e_table_item_row_diff (eti, row, row + 1);
+
+ /* Check if inside a button */
+ if (event->button.x >= width - E_CELL_SPIN_BUTTON_ARROW_WIDTH) {
+ /* Yep, which one? */
+ if (event->button.y <= height / 2) {
+ ecsb->up_pressed = TRUE;
+ gtk_signal_emit (GTK_OBJECT(ecsb),
+ signals[STEP],
+ ecv,
+ STEP_UP,
+ view_col,
+ row);
+ } else {
+ ecsb->down_pressed = TRUE;
+ gtk_signal_emit (GTK_OBJECT(ecsb),
+ signals[STEP],
+ ecv,
+ STEP_DOWN,
+ view_col,
+ row);
+ }
+
+ e_table_item_redraw_range (eti,
+ view_col,
+ row,
+ view_col,
+ row);
+
+ }
+ }
+
+ break;
+ case GDK_BUTTON_RELEASE:
+ ecsb->up_pressed = FALSE;
+ ecsb->down_pressed = FALSE;
+ e_table_item_redraw_range (eti,
+ view_col,
+ row,
+ view_col,
+ row);
+ break;
+ case GDK_KEY_PRESS:
+ break;
+ default:
+ break;
+ }
+
+ return e_cell_event (ecsb_view->child_view, event, model_col,
+ view_col, row, flags, actions);
+}
+
+static gint
+ecsb_height (ECellView *ecv,
+ int model_col,
+ int view_col,
+ int row)
+{
+ ECellSpinButtonView *ecsb_view;
+
+ g_return_val_if_fail (ecv != NULL, -1);
+
+ ecsb_view = (ECellSpinButtonView *) ecv;
+
+ return e_cell_height (ecsb_view->child_view, model_col, view_col, row);
+}
+
+static void *
+ecsb_enter_edit (ECellView *ecv,
+ int model_col,
+ int view_col,
+ int row)
+{
+ ECellSpinButtonView *ecsb_view;
+
+ g_return_val_if_fail (ecv != NULL, NULL);
+
+ ecsb_view = (ECellSpinButtonView *) ecv;
+
+ return e_cell_enter_edit (ecsb_view->child_view, model_col,
+ view_col, row);
+}
+
+
+static void
+ecsb_leave_edit (ECellView *ecv,
+ int model_col,
+ int view_col,
+ int row,
+ void *context)
+{
+ ECellSpinButtonView *ecsb_view;
+
+ g_return_if_fail (ecv != NULL);
+
+ ecsb_view = (ECellSpinButtonView *) ecv;
+
+ e_cell_leave_edit (ecsb_view->child_view, model_col, view_col,
+ row, context);
+}
+
+static void
+ecsb_focus (ECellView *ecell_view,
+ int model_col,
+ int view_col,
+ int row,
+ int x1,
+ int y1,
+ int x2,
+ int y2)
+{
+ ECellClass *klass;
+ ECellSpinButtonView *ecsb_view;
+
+ ecsb_view = (ECellSpinButtonView *) ecell_view;
+
+ klass = E_CELL_CLASS (GTK_OBJECT (ecell_view->ecell)->klass);
+
+ if (klass->focus) {
+ klass->focus (ecell_view, model_col, view_col, row,
+ x1, y1, x2, y2);
+ }
+}
+
+static void
+ecsb_unfocus (ECellView *ecell_view)
+{
+ ECellClass *klass;
+ ECellSpinButtonView *ecsb_view;
+
+ ecsb_view = (ECellSpinButtonView *) ecell_view;
+ klass = E_CELL_CLASS (GTK_OBJECT (ecell_view->ecell)->klass);
+
+ if (klass->unfocus) {
+ klass->unfocus (ecell_view);
+ }
+
+}
+
+static void
+ecsb_show_tooltip (ECellView *ecv,
+ int model_col,
+ int view_col,
+ int row,
+ int col_width,
+ ETableTooltip *tooltip)
+{
+ ECellSpinButtonView *ecsb_view;
+
+ g_return_if_fail (ecv != NULL);
+
+ ecsb_view = (ECellSpinButtonView *) ecv;
+
+ e_cell_show_tooltip (ecsb_view->child_view, model_col, view_col,
+ row, col_width, tooltip);
+}
+
+static void
+ecsb_destroy (GtkObject *object)
+{
+ ECellSpinButton *mcsp;
+
+ g_return_if_fail (object != NULL);
+ g_return_if_fail (M_IS_CELL_SPIN_BUTTON (object));
+
+ mcsp = E_CELL_SPIN_BUTTON (object);
+
+ GTK_OBJECT_CLASS (parent_class)->destroy (object);
+}
+
+ECell *
+e_cell_spin_button_new (gint min,
+ gint max,
+ gint step,
+ ECell *child_cell)
+{
+ ECellSpinButton *ecsb;
+
+ ecsb = gtk_type_new (E_CELL_SPIN_BUTTON_TYPE);
+
+ if (!child_cell) {
+ child_cell = e_cell_number_new (NULL,
+ GTK_JUSTIFY_LEFT);
+
+ gtk_signal_connect (GTK_OBJECT (ecsb), "step",
+ e_cell_spin_button_step,
+ NULL);
+ }
+
+ ecsb->child = child_cell;
+ ecsb->min.i = min;
+ ecsb->max.i = max;
+ ecsb->step.i = step;
+
+ return E_CELL (ecsb);
+}
+
+ECell *
+e_cell_spin_button_new_float (gfloat min,
+ gfloat max,
+ gfloat step,
+ ECell *child_cell)
+{
+ ECellSpinButton *ecsb;
+
+ ecsb = gtk_type_new (E_CELL_SPIN_BUTTON_TYPE);
+
+ if (!child_cell) {
+ child_cell = e_cell_float_new (NULL, GTK_JUSTIFY_LEFT);
+ gtk_signal_connect (GTK_OBJECT (ecsb), "step",
+ e_cell_spin_button_step_float,
+ NULL);
+ }
+
+ ecsb->child = child_cell;
+ ecsb->min.f = min;
+ ecsb->max.f = max;
+ ecsb->step.f = step;
+
+ return E_CELL (ecsb);
+}
+
+void
+e_cell_spin_button_step (ECellSpinButton *ecsb,
+ ECellView *ecv,
+ ECellSpinButtonStep direction,
+ gint col,
+ gint row)
+{
+ ECellSpinButtonView *ecsb_view;
+
+ ETableModel *etm;
+ gint value;
+ gint new_value;
+
+ g_return_if_fail (ecsb != NULL);
+ g_return_if_fail (M_IS_CELL_SPIN_BUTTON (ecsb));
+ g_return_if_fail (ecv != NULL);
+
+ ecsb_view = (ECellSpinButtonView *) ecv;
+ etm = ecsb_view->cell_view.e_table_model;
+
+ value = GPOINTER_TO_INT (e_table_model_value_at (etm, col, row));
+ new_value = value;
+
+ switch (direction) {
+ case STEP_UP:
+ new_value = CLAMP (value + ecsb->step.i,
+ ecsb->min.i, ecsb->max.i);
+ break;
+ case STEP_DOWN:
+ new_value = CLAMP (value - ecsb->step.i,
+ ecsb->min.i, ecsb->max.i);
+ break;
+ default:
+ break;
+ };
+
+ e_table_model_set_value_at (etm, col, row, GINT_TO_POINTER(new_value));
+}
+
+void
+e_cell_spin_button_step_float (ECellSpinButton *ecsb,
+ ECellView *ecv,
+ ECellSpinButtonStep direction,
+ gint col,
+ gint row)
+{
+ ECellSpinButtonView *ecsb_view;
+
+ ETableModel *etm;
+ gfloat value;
+ gfloat new_value;
+
+ g_return_if_fail (ecsb != NULL);
+ g_return_if_fail (M_IS_CELL_SPIN_BUTTON (ecsb));
+ g_return_if_fail (ecv != NULL);
+
+ ecsb_view = (ECellSpinButtonView *) ecv;
+ etm = ecsb_view->cell_view.e_table_model;
+
+ value = *(gfloat *) e_table_model_value_at (etm, col, row);
+
+ switch (direction) {
+ case STEP_UP:
+ new_value = CLAMP (value + ecsb->step.f,
+ ecsb->min.f, ecsb->max.f);
+ break;
+ case STEP_DOWN:
+ new_value = CLAMP (value - ecsb->step.f,
+ ecsb->min.f, ecsb->max.f);
+ break;
+ default:
+ break;
+ };
+
+ e_table_model_set_value_at (etm, col, row, &new_value);
+}
+
+E_MAKE_TYPE (e_cell_spin_button, "ECellSpinButton", ECellSpinButton,
+ e_cell_spin_button_class_init, e_cell_spin_button_init,
+ PARENT_TYPE);
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-18 23:03:50 +0800