note description: "Eiffel Vision frame. GTK+ implementation" legal: "See notice at end of class." status: "See notice at end of class." date: "$Date$" revision: "$Revision$" class EV_FRAME_IMP inherit EV_FRAME_I undefine propagate_foreground_color, propagate_background_color redefine interface end EV_CELL_IMP undefine old_make redefine interface, needs_event_box, make, style_element_name end EV_FONTABLE_IMP redefine interface end create make feature {NONE} -- Initialization needs_event_box: BOOLEAN -- Does `a_widget' need an event box? do Result := True end old_make (an_interface: attached like interface) -- Create frame. do assign_interface (an_interface) end make -- Initialize `Current'. do set_c_object ({GTK}.gtk_frame_new (default_pointer)) {GTK}.gtk_frame_set_label (container_widget, default_pointer) set_style (Ev_frame_etched_in) align_text_left Precursor {EV_CELL_IMP} end feature -- Access style: INTEGER -- Visual appearance. See: EV_FRAME_CONSTANTS. local gtk_style: INTEGER do gtk_style := {GTK}.gtk_frame_get_shadow_type (container_widget) if gtk_style = {GTK}.gtk_shadow_in_enum then Result := Ev_frame_lowered elseif gtk_style = {GTK}.gtk_shadow_out_enum then Result := Ev_frame_raised elseif gtk_style = {GTK}.gtk_shadow_etched_in_enum then Result := Ev_frame_etched_in elseif gtk_style = {GTK}.gtk_shadow_etched_out_enum then Result := Ev_frame_etched_out else check valid_value: False end end end feature -- Element change set_style (a_style: INTEGER) -- Assign `a_style' to `style'. local gtk_style: INTEGER do inspect a_style when Ev_frame_lowered then gtk_style := {GTK}.gtk_shadow_in_enum when Ev_frame_raised then gtk_style := {GTK}.gtk_shadow_out_enum when Ev_frame_etched_in then gtk_style := {GTK}.gtk_shadow_etched_in_enum when Ev_frame_etched_out then gtk_style := {GTK}.gtk_shadow_etched_out_enum else check valid_value: False end end {GTK}.gtk_frame_set_shadow_type (container_widget, gtk_style) end feature -- Status setting align_text_left -- Display `text' left aligned. do {GTK}.gtk_frame_set_label_align (container_widget, {REAL_32} 0.0, {REAL_32} 0.5) internal_alignment_code := {GTK}.gtk_justify_left_enum end align_text_right -- Display `text' right aligned. do {GTK}.gtk_frame_set_label_align (container_widget, {REAL_32} 1.0, {REAL_32} 0.5) internal_alignment_code := {GTK}.gtk_justify_right_enum end align_text_center -- Display `text' centered. do {GTK}.gtk_frame_set_label_align (container_widget, {REAL_32} 0.5, {REAL_32} 0.5) internal_alignment_code := {GTK}.gtk_justify_center_enum end feature -- Access text_alignment: INTEGER -- Alignment of the text in the label. do if internal_alignment_code = {GTK}.gtk_justify_center_enum then Result := {EV_TEXT_ALIGNMENT_CONSTANTS}.Ev_text_alignment_center elseif internal_alignment_code = {GTK}.gtk_justify_left_enum then Result := {EV_TEXT_ALIGNMENT_CONSTANTS}.Ev_text_alignment_left elseif internal_alignment_code = {GTK}.gtk_justify_right_enum then Result := {EV_TEXT_ALIGNMENT_CONSTANTS}.Ev_text_alignment_right else check alignment_code_not_set: False end end end text: STRING_32 -- Text of the frame do if attached internal_text as l_internal_text then Result := l_internal_text.twin else Result := "" internal_text := Result end end feature -- Element change set_text (a_text: READABLE_STRING_GENERAL) -- set the `text' of the frame local a_cs: EV_GTK_C_STRING do internal_text := a_text.as_string_32.twin a_cs := a_text {GTK}.gtk_frame_set_label (container_widget, a_cs.item) end set_border_width (value: INTEGER) -- Make `value' the new border width of `Current'. do border_width := value {GTK}.gtk_container_set_border_width (container_widget, value) end feature {NONE} -- GTK3 css style style_element_name: STRING -- CSS style name for Current GTK3 widget. do Result := "frame" end feature {NONE} -- Implementation internal_text: detachable STRING_32 -- Text used to represent frame's label text internal_alignment_code: INTEGER -- Code used to represent label alignment feature {EV_ANY, EV_ANY_I} -- Implementation interface: detachable EV_FRAME note option: stable attribute end; -- Provides a common user interface to possibly platform -- dependent functionality implemented by `Current' note copyright: "Copyright (c) 1984-2021, Eiffel Software and others" license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)" source: "[ Eiffel Software 5949 Hollister Ave., Goleta, CA 93117 USA Telephone 805-685-1006, Fax 805-685-6869 Website http://www.eiffel.com Customer support http://support.eiffel.com ]" end -- class EV_FRAME_IMP