X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=gtk%2Fgtkvscrollbar.c;h=eaa4417fb74420596ea6373fdb09b80005adc5c0;hb=ddf72dc50aff110dfa624628c6286db9f4607cef;hp=833f003a6fa5fd5a73df3118b0290c4e7228995c;hpb=9595c55184932c11e60e840f10f63d73748e3237;p=~andy%2Fgtk diff --git a/gtk/gtkvscrollbar.c b/gtk/gtkvscrollbar.c index 833f003a6..eaa4417fb 100644 --- a/gtk/gtkvscrollbar.c +++ b/gtk/gtkvscrollbar.c @@ -1,173 +1,52 @@ /* GTK - The GIMP Toolkit * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald + * Copyright (C) 2001 Red Hat, Inc. * * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public + * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * 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. + * Lesser General Public License for more details. * - * You should have received a copy of the GNU Library General Public + * You should have received a copy of the GNU Lesser 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. */ /* - * Modified by the GTK+ Team and others 1997-1999. See the AUTHORS + * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS * file for a list of people on the GTK+ Team. See the ChangeLog * files for a list of changes. These files are distributed with * GTK+ at ftp://ftp.gtk.org/pub/gtk/. */ +#include #include "gtkvscrollbar.h" -#include "gtksignal.h" #include "gdk/gdkkeysyms.h" +#include "gtkintl.h" +#include "gtkalias.h" - -#define EPSILON 0.01 - -#define RANGE_CLASS(w) GTK_RANGE_GET_CLASS (w) - -enum { - ARG_0, - ARG_ADJUSTMENT -}; - -static void gtk_vscrollbar_class_init (GtkVScrollbarClass *klass); -static void gtk_vscrollbar_init (GtkVScrollbar *vscrollbar); -static void gtk_vscrollbar_set_arg (GtkObject *object, - GtkArg *arg, - guint arg_id); -static void gtk_vscrollbar_get_arg (GtkObject *object, - GtkArg *arg, - guint arg_id); -static void gtk_vscrollbar_realize (GtkWidget *widget); -static void gtk_vscrollbar_size_allocate (GtkWidget *widget, - GtkAllocation *allocation); -static void gtk_vscrollbar_draw_step_forw (GtkRange *range); -static void gtk_vscrollbar_draw_step_back (GtkRange *range); -static void gtk_vscrollbar_slider_update (GtkRange *range); -static void gtk_vscrollbar_calc_slider_size (GtkVScrollbar *vscrollbar); -static gint gtk_vscrollbar_trough_keys (GtkRange *range, - GdkEventKey *key, - GtkScrollType *scroll, - GtkTroughType *pos); - - -GtkType -gtk_vscrollbar_get_type (void) -{ - static GtkType vscrollbar_type = 0; - - if (!vscrollbar_type) - { - static const GtkTypeInfo vscrollbar_info = - { - "GtkVScrollbar", - sizeof (GtkVScrollbar), - sizeof (GtkVScrollbarClass), - (GtkClassInitFunc) gtk_vscrollbar_class_init, - (GtkObjectInitFunc) gtk_vscrollbar_init, - /* reserved_1 */ NULL, - /* reserved_2 */ NULL, - (GtkClassInitFunc) NULL, - }; - - vscrollbar_type = gtk_type_unique (GTK_TYPE_SCROLLBAR, &vscrollbar_info); - } - - return vscrollbar_type; -} +G_DEFINE_TYPE (GtkVScrollbar, gtk_vscrollbar, GTK_TYPE_SCROLLBAR) static void gtk_vscrollbar_class_init (GtkVScrollbarClass *class) { - GtkObjectClass *object_class; - GtkWidgetClass *widget_class; - GtkRangeClass *range_class; - - object_class = (GtkObjectClass*) class; - widget_class = (GtkWidgetClass*) class; - range_class = (GtkRangeClass*) class; - - gtk_object_add_arg_type ("GtkVScrollbar::adjustment", - GTK_TYPE_ADJUSTMENT, - GTK_ARG_READWRITE, - ARG_ADJUSTMENT); - - object_class->set_arg = gtk_vscrollbar_set_arg; - object_class->get_arg = gtk_vscrollbar_get_arg; - - widget_class->realize = gtk_vscrollbar_realize; - widget_class->size_allocate = gtk_vscrollbar_size_allocate; - - range_class->draw_step_forw = gtk_vscrollbar_draw_step_forw; - range_class->draw_step_back = gtk_vscrollbar_draw_step_back; - range_class->slider_update = gtk_vscrollbar_slider_update; - range_class->trough_click = gtk_range_default_vtrough_click; - range_class->trough_keys = gtk_vscrollbar_trough_keys; - range_class->motion = gtk_range_default_vmotion; + GTK_RANGE_CLASS (class)->stepper_detail = "vscrollbar"; } static void -gtk_vscrollbar_set_arg (GtkObject *object, - GtkArg *arg, - guint arg_id) +gtk_vscrollbar_init (GtkVScrollbar *vscrollbar) { - GtkVScrollbar *vscrollbar; - - vscrollbar = GTK_VSCROLLBAR (object); - - switch (arg_id) - { - case ARG_ADJUSTMENT: - gtk_range_set_adjustment (GTK_RANGE (vscrollbar), GTK_VALUE_POINTER (*arg)); - break; - default: - break; - } -} + GtkRange *range; -static void -gtk_vscrollbar_get_arg (GtkObject *object, - GtkArg *arg, - guint arg_id) -{ - GtkVScrollbar *vscrollbar; - - vscrollbar = GTK_VSCROLLBAR (object); - - switch (arg_id) - { - case ARG_ADJUSTMENT: - GTK_VALUE_POINTER (*arg) = GTK_RANGE (vscrollbar); - break; - default: - arg->type = GTK_TYPE_INVALID; - break; - } -} + range = GTK_RANGE (vscrollbar); -static void -gtk_vscrollbar_init (GtkVScrollbar *vscrollbar) -{ - GtkWidget *widget; - GtkRequisition *requisition; - - widget = GTK_WIDGET (vscrollbar); - requisition = &widget->requisition; - - requisition->width = (RANGE_CLASS (widget)->slider_width + - widget->style->klass->xthickness * 2); - requisition->height = (RANGE_CLASS (widget)->min_slider_size + - RANGE_CLASS (widget)->stepper_size + - RANGE_CLASS (widget)->stepper_slider_spacing + - widget->style->klass->ythickness) * 2; + range->orientation = GTK_ORIENTATION_VERTICAL; } GtkWidget* @@ -175,284 +54,12 @@ gtk_vscrollbar_new (GtkAdjustment *adjustment) { GtkWidget *vscrollbar; - vscrollbar = gtk_widget_new (GTK_TYPE_VSCROLLBAR, - "adjustment", adjustment, - NULL); + vscrollbar = g_object_new (GTK_TYPE_VSCROLLBAR, + "adjustment", adjustment, + NULL); return vscrollbar; } - -static void -gtk_vscrollbar_realize (GtkWidget *widget) -{ - GtkRange *range; - GdkWindowAttr attributes; - gint attributes_mask; - - g_return_if_fail (widget != NULL); - g_return_if_fail (GTK_IS_VSCROLLBAR (widget)); - - GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED); - range = GTK_RANGE (widget); - - attributes.x = widget->allocation.x + (widget->allocation.width - widget->requisition.width) / 2; - attributes.y = widget->allocation.y; - attributes.width = widget->requisition.width; - attributes.height = widget->allocation.height; - attributes.wclass = GDK_INPUT_OUTPUT; - attributes.window_type = GDK_WINDOW_CHILD; - attributes.visual = gtk_widget_get_visual (widget); - attributes.colormap = gtk_widget_get_colormap (widget); - attributes.event_mask = gtk_widget_get_events (widget); - attributes.event_mask |= (GDK_EXPOSURE_MASK | - GDK_BUTTON_PRESS_MASK | - GDK_BUTTON_RELEASE_MASK | - GDK_ENTER_NOTIFY_MASK | - GDK_LEAVE_NOTIFY_MASK); - - attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP; - widget->window = gdk_window_new (gtk_widget_get_parent_window (widget), &attributes, attributes_mask); - - range->trough = widget->window; - gdk_window_ref (range->trough); - - attributes.x = widget->style->klass->xthickness; - attributes.y = widget->style->klass->ythickness; - attributes.width = RANGE_CLASS (widget)->stepper_size; - attributes.height = RANGE_CLASS (widget)->stepper_size; - - range->step_back = gdk_window_new (range->trough, &attributes, attributes_mask); - - attributes.y = (widget->allocation.height - - widget->style->klass->ythickness - - RANGE_CLASS (widget)->stepper_size); - - range->step_forw = gdk_window_new (range->trough, &attributes, attributes_mask); - - attributes.x = widget->style->klass->ythickness; - attributes.y = 0; - attributes.width = RANGE_CLASS (widget)->slider_width; - attributes.height = RANGE_CLASS (widget)->min_slider_size; - attributes.event_mask |= (GDK_BUTTON_MOTION_MASK | - GDK_POINTER_MOTION_HINT_MASK); - - range->slider = gdk_window_new (range->trough, &attributes, attributes_mask); - - gtk_vscrollbar_calc_slider_size (GTK_VSCROLLBAR (widget)); - gtk_range_slider_update (GTK_RANGE (widget)); - - widget->style = gtk_style_attach (widget->style, widget->window); - - gdk_window_set_user_data (range->trough, widget); - gdk_window_set_user_data (range->slider, widget); - gdk_window_set_user_data (range->step_forw, widget); - gdk_window_set_user_data (range->step_back, widget); - - gtk_style_set_background (widget->style, range->trough, GTK_STATE_ACTIVE); - gtk_style_set_background (widget->style, range->slider, GTK_STATE_NORMAL); - gtk_style_set_background (widget->style, range->step_forw, GTK_STATE_ACTIVE); - gtk_style_set_background (widget->style, range->step_back, GTK_STATE_ACTIVE); - - gdk_window_show (range->slider); - gdk_window_show (range->step_forw); - gdk_window_show (range->step_back); -} - -static void -gtk_vscrollbar_size_allocate (GtkWidget *widget, - GtkAllocation *allocation) -{ - GtkRange *range; - - g_return_if_fail (widget != NULL); - g_return_if_fail (GTK_IS_VSCROLLBAR (widget)); - g_return_if_fail (allocation != NULL); - - widget->allocation = *allocation; - if (GTK_WIDGET_REALIZED (widget)) - { - range = GTK_RANGE (widget); - - gdk_window_move_resize (range->trough, - allocation->x + (allocation->width - widget->requisition.width) / 2, - allocation->y, - widget->requisition.width, allocation->height); - gdk_window_move_resize (range->step_back, - widget->style->klass->xthickness, - widget->style->klass->ythickness, - widget->requisition.width - widget->style->klass->xthickness * 2, - RANGE_CLASS (widget)->stepper_size); - gdk_window_move_resize (range->step_forw, - widget->style->klass->xthickness, - allocation->height - widget->style->klass->ythickness - - RANGE_CLASS (widget)->stepper_size, - widget->requisition.width - widget->style->klass->xthickness * 2, - RANGE_CLASS (widget)->stepper_size); - - gtk_range_slider_update (GTK_RANGE (widget)); - } -} - -static void -gtk_vscrollbar_draw_step_forw (GtkRange *range) -{ - GtkStateType state_type; - GtkShadowType shadow_type; - - g_return_if_fail (range != NULL); - g_return_if_fail (GTK_IS_VSCROLLBAR (range)); - - if (GTK_WIDGET_DRAWABLE (range)) - { - if (range->in_child == RANGE_CLASS (range)->step_forw) - { - if (range->click_child == RANGE_CLASS (range)->step_forw) - state_type = GTK_STATE_ACTIVE; - else - state_type = GTK_STATE_PRELIGHT; - } - else - state_type = GTK_STATE_NORMAL; - - if (range->click_child == RANGE_CLASS (range)->step_forw) - shadow_type = GTK_SHADOW_IN; - else - shadow_type = GTK_SHADOW_OUT; - - gtk_paint_arrow (GTK_WIDGET (range)->style, range->step_forw, - state_type, shadow_type, - NULL, GTK_WIDGET (range), "vscrollbar", - GTK_ARROW_DOWN, - TRUE, 0, 0, -1, -1); - } -} - -static void -gtk_vscrollbar_draw_step_back (GtkRange *range) -{ - GtkStateType state_type; - GtkShadowType shadow_type; - - g_return_if_fail (range != NULL); - g_return_if_fail (GTK_IS_VSCROLLBAR (range)); - - if (GTK_WIDGET_DRAWABLE (range)) - { - if (range->in_child == RANGE_CLASS (range)->step_back) - { - if (range->click_child == RANGE_CLASS (range)->step_back) - state_type = GTK_STATE_ACTIVE; - else - state_type = GTK_STATE_PRELIGHT; - } - else - state_type = GTK_STATE_NORMAL; - - if (range->click_child == RANGE_CLASS (range)->step_back) - shadow_type = GTK_SHADOW_IN; - else - shadow_type = GTK_SHADOW_OUT; - - gtk_paint_arrow (GTK_WIDGET (range)->style, range->step_back, - state_type, shadow_type, - NULL, GTK_WIDGET (range), "vscrollbar", - GTK_ARROW_UP, - TRUE, 0, 0, -1, -1); - } -} - -static void -gtk_vscrollbar_slider_update (GtkRange *range) -{ - g_return_if_fail (range != NULL); - g_return_if_fail (GTK_IS_VSCROLLBAR (range)); - - gtk_vscrollbar_calc_slider_size (GTK_VSCROLLBAR (range)); - gtk_range_default_vslider_update (range); -} - -static void -gtk_vscrollbar_calc_slider_size (GtkVScrollbar *vscrollbar) -{ - GtkRange *range; - gint step_back_y; - gint step_back_height; - gint step_forw_y; - gint slider_width; - gint slider_height; - gint top, bottom; - gint height; - - g_return_if_fail (vscrollbar != NULL); - g_return_if_fail (GTK_IS_VSCROLLBAR (vscrollbar)); - - if (GTK_WIDGET_REALIZED (vscrollbar)) - { - range = GTK_RANGE (vscrollbar); - - gdk_window_get_size (range->step_back, NULL, &step_back_height); - gdk_window_get_position (range->step_back, NULL, &step_back_y); - gdk_window_get_position (range->step_forw, NULL, &step_forw_y); - - top = (step_back_y + - step_back_height + - RANGE_CLASS (vscrollbar)->stepper_slider_spacing); - bottom = step_forw_y - RANGE_CLASS (vscrollbar)->stepper_slider_spacing; - height = bottom - top; - - if ((range->adjustment->page_size > 0) && - (range->adjustment->lower != range->adjustment->upper)) - { - if (range->adjustment->page_size > - (range->adjustment->upper - range->adjustment->lower)) - range->adjustment->page_size = range->adjustment->upper - range->adjustment->lower; - - height = (height * range->adjustment->page_size / - (range->adjustment->upper - range->adjustment->lower)); - - if (height < RANGE_CLASS (vscrollbar)->min_slider_size) - height = RANGE_CLASS (vscrollbar)->min_slider_size; - } - - gdk_window_get_size (range->slider, &slider_width, &slider_height); - - if (slider_height != height) - gdk_window_resize (range->slider, slider_width, height); - } -} - -static gint -gtk_vscrollbar_trough_keys(GtkRange *range, - GdkEventKey *key, - GtkScrollType *scroll, - GtkTroughType *pos) -{ - gint return_val = FALSE; - switch (key->keyval) - { - case GDK_Up: - return_val = TRUE; - *scroll = GTK_SCROLL_STEP_BACKWARD; - break; - case GDK_Down: - return_val = TRUE; - *scroll = GTK_SCROLL_STEP_FORWARD; - break; - case GDK_Page_Up: - return_val = TRUE; - if (key->state & GDK_CONTROL_MASK) - *pos = GTK_TROUGH_START; - else - *scroll = GTK_SCROLL_PAGE_BACKWARD; - break; - case GDK_Page_Down: - return_val = TRUE; - if (key->state & GDK_CONTROL_MASK) - *pos = GTK_TROUGH_END; - else - *scroll = GTK_SCROLL_PAGE_FORWARD; - break; - } - return return_val; -} +#define __GTK_VSCROLLBAR_C__ +#include "gtkaliasdef.c"