diff options
Diffstat (limited to 'gtk/gtkvscrollbar.c')
| -rw-r--r-- | gtk/gtkvscrollbar.c | 345 |
1 files changed, 201 insertions, 144 deletions
diff --git a/gtk/gtkvscrollbar.c b/gtk/gtkvscrollbar.c index 2e02acf22..3cb8d5005 100644 --- a/gtk/gtkvscrollbar.c +++ b/gtk/gtkvscrollbar.c @@ -25,58 +25,79 @@ #define RANGE_CLASS(w) GTK_RANGE_CLASS (GTK_OBJECT (w)->klass) +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); + 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); + GdkEventKey *key, + GtkScrollType *scroll, + GtkTroughType *pos); -guint + +GtkType gtk_vscrollbar_get_type (void) { - static guint vscrollbar_type = 0; - + static GtkType vscrollbar_type = 0; + if (!vscrollbar_type) { GtkTypeInfo vscrollbar_info = { - "GtkVScrollbar", - sizeof (GtkVScrollbar), - sizeof (GtkVScrollbarClass), - (GtkClassInitFunc) gtk_vscrollbar_class_init, - (GtkObjectInitFunc) gtk_vscrollbar_init, - /* reserved_1 */ NULL, + "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_scrollbar_get_type (), &vscrollbar_info); + + vscrollbar_type = gtk_type_unique (GTK_TYPE_SCROLLBAR, &vscrollbar_info); } - + return vscrollbar_type; } static void -gtk_vscrollbar_class_init (GtkVScrollbarClass *klass) +gtk_vscrollbar_class_init (GtkVScrollbarClass *class) { + GtkObjectClass *object_class; GtkWidgetClass *widget_class; GtkRangeClass *range_class; - - widget_class = (GtkWidgetClass*) klass; - range_class = (GtkRangeClass*) klass; - + + 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 | GTK_ARG_CONSTRUCT, + 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; @@ -86,35 +107,71 @@ gtk_vscrollbar_class_init (GtkVScrollbarClass *klass) } static void +gtk_vscrollbar_set_arg (GtkObject *object, + GtkArg *arg, + guint arg_id) +{ + 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; + } +} + +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; + } +} + +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); + 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_CLASS (widget)->stepper_size + + RANGE_CLASS (widget)->stepper_slider_spacing + + widget->style->klass->ythickness) * 2; } GtkWidget* gtk_vscrollbar_new (GtkAdjustment *adjustment) { - GtkVScrollbar *vscrollbar; - - vscrollbar = gtk_type_new (gtk_vscrollbar_get_type ()); - - if (!adjustment) - adjustment = (GtkAdjustment*) gtk_adjustment_new (0.0, 0.0, 0.0, 0.0, 0.0, 0.0); - - gtk_range_set_adjustment (GTK_RANGE (vscrollbar), adjustment); - - return GTK_WIDGET (vscrollbar); + GtkWidget *vscrollbar; + + vscrollbar = gtk_widget_new (GTK_TYPE_VSCROLLBAR, + "adjustment", adjustment, + NULL); + + return vscrollbar; } @@ -124,13 +181,13 @@ 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; @@ -141,54 +198,54 @@ gtk_vscrollbar_realize (GtkWidget *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); - + 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); - + 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); - + 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); @@ -196,38 +253,38 @@ gtk_vscrollbar_realize (GtkWidget *widget) static void gtk_vscrollbar_size_allocate (GtkWidget *widget, - GtkAllocation *allocation) + 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); + 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); + 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); + 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); gdk_window_resize (range->slider, - widget->requisition.width - widget->style->klass->xthickness * 2, - RANGE_CLASS (range)->min_slider_size); - + widget->requisition.width - widget->style->klass->xthickness * 2, + RANGE_CLASS (range)->min_slider_size); + gtk_range_slider_update (GTK_RANGE (widget)); } } @@ -237,32 +294,32 @@ 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; - } + { + 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; - + state_type = GTK_STATE_NORMAL; + if (range->click_child == RANGE_CLASS (range)->step_forw) - shadow_type = GTK_SHADOW_IN; + shadow_type = GTK_SHADOW_IN; else - shadow_type = GTK_SHADOW_OUT; - + shadow_type = GTK_SHADOW_OUT; + gtk_paint_arrow (GTK_WIDGET (range)->style, range->step_forw, - state_type, shadow_type, - NULL, GTK_WIDGET (range), "scrollbar", - GTK_ARROW_DOWN, - TRUE, 0, 0, -1, -1); + state_type, shadow_type, + NULL, GTK_WIDGET (range), "vscrollbar", + GTK_ARROW_DOWN, + TRUE, 0, 0, -1, -1); } } @@ -271,32 +328,32 @@ 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; - } + { + 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; - + state_type = GTK_STATE_NORMAL; + if (range->click_child == RANGE_CLASS (range)->step_back) - shadow_type = GTK_SHADOW_IN; + shadow_type = GTK_SHADOW_IN; else - shadow_type = GTK_SHADOW_OUT; - + shadow_type = GTK_SHADOW_OUT; + gtk_paint_arrow (GTK_WIDGET (range)->style, range->step_back, - state_type, shadow_type, - NULL, GTK_WIDGET (range), "scrollbar", - GTK_ARROW_UP, - TRUE, 0, 0, -1, -1); + state_type, shadow_type, + NULL, GTK_WIDGET (range), "vscrollbar", + GTK_ARROW_UP, + TRUE, 0, 0, -1, -1); } } @@ -305,7 +362,7 @@ 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); } @@ -321,50 +378,50 @@ gtk_vscrollbar_calc_slider_size (GtkVScrollbar *vscrollbar) 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); + 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; - } - + (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); + gdk_window_resize (range->slider, slider_width, height); } } static gint gtk_vscrollbar_trough_keys(GtkRange *range, - GdkEventKey *key, - GtkScrollType *scroll, - GtkTroughType *pos) + GdkEventKey *key, + GtkScrollType *scroll, + GtkTroughType *pos) { gint return_val = FALSE; switch (key->keyval) @@ -380,16 +437,16 @@ gtk_vscrollbar_trough_keys(GtkRange *range, case GDK_Page_Up: return_val = TRUE; if (key->state & GDK_CONTROL_MASK) - *pos = GTK_TROUGH_START; + *pos = GTK_TROUGH_START; else - *scroll = GTK_SCROLL_PAGE_BACKWARD; + *scroll = GTK_SCROLL_PAGE_BACKWARD; break; case GDK_Page_Down: return_val = TRUE; if (key->state & GDK_CONTROL_MASK) - *pos = GTK_TROUGH_END; + *pos = GTK_TROUGH_END; else - *scroll = GTK_SCROLL_PAGE_FORWARD; + *scroll = GTK_SCROLL_PAGE_FORWARD; break; } return return_val; |