diff options
Diffstat (limited to 'gtk/gtkhscrollbar.c')
| -rw-r--r-- | gtk/gtkhscrollbar.c | 338 |
1 files changed, 197 insertions, 141 deletions
diff --git a/gtk/gtkhscrollbar.c b/gtk/gtkhscrollbar.c index 7b38db648..71dac1664 100644 --- a/gtk/gtkhscrollbar.c +++ b/gtk/gtkhscrollbar.c @@ -25,59 +25,79 @@ #define RANGE_CLASS(w) GTK_RANGE_CLASS (GTK_OBJECT (w)->klass) +enum { + ARG_0, + ARG_ADJUSTMENT, +}; static void gtk_hscrollbar_class_init (GtkHScrollbarClass *klass); static void gtk_hscrollbar_init (GtkHScrollbar *hscrollbar); +static void gtk_hscrollbar_set_arg (GtkObject *object, + GtkArg *arg, + guint arg_id); +static void gtk_hscrollbar_get_arg (GtkObject *object, + GtkArg *arg, + guint arg_id); static void gtk_hscrollbar_realize (GtkWidget *widget); static void gtk_hscrollbar_size_allocate (GtkWidget *widget, - GtkAllocation *allocation); + GtkAllocation *allocation); static void gtk_hscrollbar_draw_step_forw (GtkRange *range); static void gtk_hscrollbar_draw_step_back (GtkRange *range); static void gtk_hscrollbar_slider_update (GtkRange *range); static void gtk_hscrollbar_calc_slider_size (GtkHScrollbar *hscrollbar); static gint gtk_hscrollbar_trough_keys (GtkRange *range, - GdkEventKey *key, - GtkScrollType *scroll, - GtkTroughType *pos); + GdkEventKey *key, + GtkScrollType *scroll, + GtkTroughType *pos); -guint +GtkType gtk_hscrollbar_get_type (void) { - static guint hscrollbar_type = 0; - + static GtkType hscrollbar_type = 0; + if (!hscrollbar_type) { GtkTypeInfo hscrollbar_info = { - "GtkHScrollbar", - sizeof (GtkHScrollbar), - sizeof (GtkHScrollbarClass), - (GtkClassInitFunc) gtk_hscrollbar_class_init, - (GtkObjectInitFunc) gtk_hscrollbar_init, - /* reserved_1 */ NULL, + "GtkHScrollbar", + sizeof (GtkHScrollbar), + sizeof (GtkHScrollbarClass), + (GtkClassInitFunc) gtk_hscrollbar_class_init, + (GtkObjectInitFunc) gtk_hscrollbar_init, + /* reserved_1 */ NULL, /* reserved_2 */ NULL, (GtkClassInitFunc) NULL, }; - - hscrollbar_type = gtk_type_unique (gtk_scrollbar_get_type (), &hscrollbar_info); + + hscrollbar_type = gtk_type_unique (GTK_TYPE_SCROLLBAR, &hscrollbar_info); } - + return hscrollbar_type; } static void gtk_hscrollbar_class_init (GtkHScrollbarClass *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 ("GtkHScrollbar::adjustment", + GTK_TYPE_ADJUSTMENT, + GTK_ARG_READWRITE | GTK_ARG_CONSTRUCT, + ARG_ADJUSTMENT); + + object_class->set_arg = gtk_hscrollbar_set_arg; + object_class->get_arg = gtk_hscrollbar_get_arg; + widget_class->realize = gtk_hscrollbar_realize; widget_class->size_allocate = gtk_hscrollbar_size_allocate; - + range_class->draw_step_forw = gtk_hscrollbar_draw_step_forw; range_class->draw_step_back = gtk_hscrollbar_draw_step_back; range_class->slider_update = gtk_hscrollbar_slider_update; @@ -87,35 +107,71 @@ gtk_hscrollbar_class_init (GtkHScrollbarClass *class) } static void +gtk_hscrollbar_set_arg (GtkObject *object, + GtkArg *arg, + guint arg_id) +{ + GtkHScrollbar *hscrollbar; + + hscrollbar = GTK_HSCROLLBAR (object); + + switch (arg_id) + { + case ARG_ADJUSTMENT: + gtk_range_set_adjustment (GTK_RANGE (hscrollbar), GTK_VALUE_POINTER (*arg)); + break; + default: + break; + } +} + +static void +gtk_hscrollbar_get_arg (GtkObject *object, + GtkArg *arg, + guint arg_id) +{ + GtkHScrollbar *hscrollbar; + + hscrollbar = GTK_HSCROLLBAR (object); + + switch (arg_id) + { + case ARG_ADJUSTMENT: + GTK_VALUE_POINTER (*arg) = GTK_RANGE (hscrollbar); + break; + default: + arg->type = GTK_TYPE_INVALID; + break; + } +} + +static void gtk_hscrollbar_init (GtkHScrollbar *hscrollbar) { GtkWidget *widget; GtkRequisition *requisition; - + widget = GTK_WIDGET (hscrollbar); requisition = &widget->requisition; - + requisition->width = (RANGE_CLASS (widget)->min_slider_size + - RANGE_CLASS (widget)->stepper_size + - RANGE_CLASS (widget)->stepper_slider_spacing + - widget->style->klass->xthickness) * 2; + RANGE_CLASS (widget)->stepper_size + + RANGE_CLASS (widget)->stepper_slider_spacing + + widget->style->klass->xthickness) * 2; requisition->height = (RANGE_CLASS (widget)->slider_width + - widget->style->klass->ythickness * 2); + widget->style->klass->ythickness * 2); } GtkWidget* gtk_hscrollbar_new (GtkAdjustment *adjustment) { - GtkHScrollbar *hscrollbar; - - hscrollbar = gtk_type_new (gtk_hscrollbar_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 (hscrollbar), adjustment); + GtkWidget *hscrollbar; + + hscrollbar = gtk_widget_new (GTK_TYPE_HSCROLLBAR, + "adjustment", adjustment, + NULL); - return GTK_WIDGET (hscrollbar); + return hscrollbar; } @@ -125,13 +181,13 @@ gtk_hscrollbar_realize (GtkWidget *widget) GtkRange *range; GdkWindowAttr attributes; gint attributes_mask; - + g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_HSCROLLBAR (widget)); - + GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED); range = GTK_RANGE (widget); - + attributes.x = widget->allocation.x; attributes.y = widget->allocation.y + (widget->allocation.height - widget->requisition.height) / 2; attributes.width = widget->allocation.width; @@ -142,54 +198,54 @@ gtk_hscrollbar_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.x = (widget->allocation.width - - widget->style->klass->xthickness - - RANGE_CLASS (widget)->stepper_size); - + widget->style->klass->xthickness - + RANGE_CLASS (widget)->stepper_size); + range->step_forw = gdk_window_new (range->trough, &attributes, attributes_mask); - + attributes.x = 0; attributes.y = widget->style->klass->ythickness; attributes.width = RANGE_CLASS (widget)->min_slider_size; attributes.height = RANGE_CLASS (widget)->slider_width; 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_hscrollbar_calc_slider_size (GTK_HSCROLLBAR (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); @@ -197,38 +253,38 @@ gtk_hscrollbar_realize (GtkWidget *widget) static void gtk_hscrollbar_size_allocate (GtkWidget *widget, - GtkAllocation *allocation) + GtkAllocation *allocation) { GtkRange *range; - + g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_HSCROLLBAR (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->y + (allocation->height - widget->requisition.height) / 2, - allocation->width, widget->requisition.height); + allocation->x, + allocation->y + (allocation->height - widget->requisition.height) / 2, + allocation->width, widget->requisition.height); gdk_window_move_resize (range->step_back, - widget->style->klass->xthickness, - widget->style->klass->ythickness, - RANGE_CLASS (widget)->stepper_size, - widget->requisition.height - widget->style->klass->ythickness * 2); + widget->style->klass->xthickness, + widget->style->klass->ythickness, + RANGE_CLASS (widget)->stepper_size, + widget->requisition.height - widget->style->klass->ythickness * 2); gdk_window_move_resize (range->step_forw, - allocation->width - widget->style->klass->xthickness - - RANGE_CLASS (widget)->stepper_size, - widget->style->klass->ythickness, - RANGE_CLASS (widget)->stepper_size, - widget->requisition.height - widget->style->klass->ythickness * 2); + allocation->width - widget->style->klass->xthickness - + RANGE_CLASS (widget)->stepper_size, + widget->style->klass->ythickness, + RANGE_CLASS (widget)->stepper_size, + widget->requisition.height - widget->style->klass->ythickness * 2); gdk_window_resize (range->slider, - RANGE_CLASS (widget)->min_slider_size, - widget->requisition.height - widget->style->klass->ythickness * 2); - + RANGE_CLASS (widget)->min_slider_size, + widget->requisition.height - widget->style->klass->ythickness * 2); + gtk_range_slider_update (GTK_RANGE (widget)); } } @@ -238,32 +294,32 @@ gtk_hscrollbar_draw_step_forw (GtkRange *range) { GtkStateType state_type; GtkShadowType shadow_type; - + g_return_if_fail (range != NULL); g_return_if_fail (GTK_IS_HSCROLLBAR (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), "hscrollbar", - GTK_ARROW_RIGHT, - TRUE, 0, 0, -1, -1); + state_type, shadow_type, + NULL, GTK_WIDGET (range), "hscrollbar", + GTK_ARROW_RIGHT, + TRUE, 0, 0, -1, -1); } } @@ -272,32 +328,32 @@ gtk_hscrollbar_draw_step_back (GtkRange *range) { GtkStateType state_type; GtkShadowType shadow_type; - + g_return_if_fail (range != NULL); g_return_if_fail (GTK_IS_HSCROLLBAR (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; - - gtk_paint_arrow (GTK_WIDGET (range)->style, range->step_back, - state_type, shadow_type, - NULL, GTK_WIDGET (range), "hscrollbar", - GTK_ARROW_LEFT, - TRUE, 0, 0, -1, -1); + shadow_type = GTK_SHADOW_OUT; + + gtk_paint_arrow (GTK_WIDGET (range)->style, range->step_back, + state_type, shadow_type, + NULL, GTK_WIDGET (range), "hscrollbar", + GTK_ARROW_LEFT, + TRUE, 0, 0, -1, -1); } } @@ -306,7 +362,7 @@ gtk_hscrollbar_slider_update (GtkRange *range) { g_return_if_fail (range != NULL); g_return_if_fail (GTK_IS_HSCROLLBAR (range)); - + gtk_hscrollbar_calc_slider_size (GTK_HSCROLLBAR (range)); gtk_range_default_hslider_update (range); } @@ -322,50 +378,50 @@ gtk_hscrollbar_calc_slider_size (GtkHScrollbar *hscrollbar) gint slider_height; gint left, right; gint width; - + g_return_if_fail (hscrollbar != NULL); g_return_if_fail (GTK_IS_HSCROLLBAR (hscrollbar)); - + if (GTK_WIDGET_REALIZED (hscrollbar)) { range = GTK_RANGE (hscrollbar); - + gdk_window_get_size (range->step_back, &step_back_width, NULL); gdk_window_get_position (range->step_back, &step_back_x, NULL); gdk_window_get_position (range->step_forw, &step_forw_x, NULL); - + left = (step_back_x + - step_back_width + - RANGE_CLASS (hscrollbar)->stepper_slider_spacing); + step_back_width + + RANGE_CLASS (hscrollbar)->stepper_slider_spacing); right = step_forw_x - RANGE_CLASS (hscrollbar)->stepper_slider_spacing; width = right - left; - + 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; - - width = (width * range->adjustment->page_size / - (range->adjustment->upper - range->adjustment->lower)); - - if (width < RANGE_CLASS (hscrollbar)->min_slider_size) - width = RANGE_CLASS (hscrollbar)->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; + + width = (width * range->adjustment->page_size / + (range->adjustment->upper - range->adjustment->lower)); + + if (width < RANGE_CLASS (hscrollbar)->min_slider_size) + width = RANGE_CLASS (hscrollbar)->min_slider_size; + } + gdk_window_get_size (range->slider, &slider_width, &slider_height); - + if (slider_width != width) - gdk_window_resize (range->slider, width, slider_height); + gdk_window_resize (range->slider, width, slider_height); } } static gint gtk_hscrollbar_trough_keys(GtkRange *range, - GdkEventKey *key, - GtkScrollType *scroll, - GtkTroughType *pos) + GdkEventKey *key, + GtkScrollType *scroll, + GtkTroughType *pos) { gint return_val = FALSE; switch (key->keyval) @@ -381,16 +437,16 @@ gtk_hscrollbar_trough_keys(GtkRange *range, case GDK_Home: return_val = TRUE; if (key->state & GDK_CONTROL_MASK) - *scroll = GTK_SCROLL_PAGE_BACKWARD; + *scroll = GTK_SCROLL_PAGE_BACKWARD; else - *pos = GTK_TROUGH_START; + *pos = GTK_TROUGH_START; break; case GDK_End: return_val = TRUE; if (key->state & GDK_CONTROL_MASK) - *scroll = GTK_SCROLL_PAGE_FORWARD; + *scroll = GTK_SCROLL_PAGE_FORWARD; else - *pos = GTK_TROUGH_END; + *pos = GTK_TROUGH_END; break; } return return_val; |