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/*************************************************************************** |
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* Copyright (c) 2024 Microsoft Corporation |
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* |
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* This program and the accompanying materials are made available under the |
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* terms of the MIT License which is available at |
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* https://opensource.org/licenses/MIT. |
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* |
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* SPDX-License-Identifier: MIT |
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**************************************************************************/ |
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/**************************************************************************/ |
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/**************************************************************************/ |
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/** */ |
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/** GUIX Component */ |
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/** */ |
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/** Widget Management (Widget) */ |
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/** */ |
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/**************************************************************************/ |
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#define GX_SOURCE_CODE |
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/* Include necessary system files. */ |
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#include "gx_api.h" |
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#include "gx_system.h" |
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#include "gx_utility.h" |
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#include "gx_widget.h" |
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#include "gx_window.h" |
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/**************************************************************************/ |
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/* */ |
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/* FUNCTION RELEASE */ |
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/* */ |
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/* _gx_widget_shift_helper PORTABLE C */ |
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/* 6.1 */ |
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/* AUTHOR */ |
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/* */ |
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/* Kenneth Maxwell, Microsoft Corporation */ |
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/* */ |
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/* DESCRIPTION */ |
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/* */ |
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/* Internal helper function to shift one widget and optionally marks */ |
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/* it as dirty. */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* widget Pointer to widget */ |
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/* x_shift Number of pixels to shift on */ |
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/* the x-axis */ |
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/* y_shift Number of pixels to shift on */ |
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/* the y-axis */ |
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/* mark_dirty GX_TRUE to indicate dirty, */ |
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/* otherwise GX_FALSE */ |
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/* */ |
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/* OUTPUT */ |
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/* */ |
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/* status Completion status */ |
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/* */ |
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/* CALLS */ |
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/* */ |
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/* _gx_utility_rectangle_shift Adjust a rectangle */ |
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/* _gx_utility_rectangle_combine Combine rectangles */ |
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/* _gx_system_dirty_partial_add Add area to the dirty list */ |
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/* _gx_widget_shift Shift a widget */ |
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/* */ |
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/* CALLED BY */ |
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/* */ |
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/* _gx_widget_shift */ |
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/* */ |
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/* RELEASE HISTORY */ |
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/* */ |
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/* DATE NAME DESCRIPTION */ |
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/* */ |
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/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ |
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/* 09-30-2020 Kenneth Maxwell Modified comment(s), */ |
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/* resulting in version 6.1 */ |
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/* */ |
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/**************************************************************************/ |
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static VOID _gx_widget_shift_helper(GX_WIDGET *widget, GX_VALUE x_shift, GX_VALUE y_shift, GX_BOOL mark_dirty) |
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{ |
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GX_WINDOW *win; |
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GX_RECTANGLE area_sum; |
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GX_RECTANGLE newsize; |
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GX_EVENT new_event; |
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newsize = widget -> gx_widget_size; |
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_gx_utility_rectangle_shift(&newsize, x_shift, y_shift); |
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✓✓✓✓
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if (mark_dirty && (widget -> gx_widget_status & GX_STATUS_VISIBLE)) |
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{ |
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/* here if my new size is smaller or in a different position, |
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I need to mark my parent as dirty |
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*/ |
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area_sum = newsize; |
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_gx_utility_rectangle_combine(&area_sum, &widget -> gx_widget_size); |
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_gx_system_dirty_partial_add(widget -> gx_widget_parent, &area_sum); |
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} |
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widget -> gx_widget_size = newsize; |
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✓✓ |
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if (widget -> gx_widget_type >= GX_TYPE_WINDOW) |
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{ |
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win = (GX_WINDOW *)widget; |
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_gx_utility_rectangle_shift(&win -> gx_window_client, x_shift, y_shift); |
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✓✓ |
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if (win -> gx_widget_status & GX_STATUS_VISIBLE) |
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{ |
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/* check to see if viewports need to be updated */ |
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_gx_window_view_update_detect(win); |
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} |
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} |
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✓✓ |
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if ((widget -> gx_widget_status & GX_STATUS_VISIBLE) && |
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✓✓ |
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(widget -> gx_widget_status & GX_STATUS_RESIZE_NOTIFY)) |
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{ |
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/* Notify widget of size change. */ |
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memset(&new_event, 0, sizeof(GX_EVENT)); |
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new_event.gx_event_target = widget; |
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new_event.gx_event_type = GX_EVENT_RESIZED; |
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_gx_system_event_fold(&new_event); |
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} |
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} |
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/**************************************************************************/ |
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/* */ |
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/* FUNCTION RELEASE */ |
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/* */ |
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/* _gx_widget_shift PORTABLE C */ |
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/* 6.1 */ |
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/* AUTHOR */ |
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/* */ |
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/* Kenneth Maxwell, Microsoft Corporation */ |
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/* */ |
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/* DESCRIPTION */ |
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/* */ |
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/* This service shifts the widget and optionally marks it as dirty. */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* widget Pointer to widget */ |
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/* x_shift Number of pixels to shift on */ |
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/* the x-axis */ |
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/* y_shift Number of pixels to shift on */ |
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/* the y-axis */ |
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/* mark_dirty GX_TRUE to indicate dirty, */ |
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/* otherwise GX_FALSE */ |
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/* */ |
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/* OUTPUT */ |
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/* */ |
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/* status Completion status */ |
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/* */ |
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/* CALLS */ |
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/* */ |
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/* _gx_widget_shift_helper Shift a widget */ |
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/* _gx_widget_clipping_update Update widget clipping area */ |
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/* */ |
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/* CALLED BY */ |
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/* */ |
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/* Application Code */ |
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/* GUIX Internal Code */ |
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/* */ |
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/* RELEASE HISTORY */ |
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/* */ |
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/* DATE NAME DESCRIPTION */ |
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/* */ |
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/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ |
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/* 09-30-2020 Kenneth Maxwell Modified comment(s), */ |
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/* resulting in version 6.1 */ |
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/* */ |
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/**************************************************************************/ |
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UINT _gx_widget_shift(GX_WIDGET *widget, GX_VALUE x_shift, GX_VALUE y_shift, GX_BOOL mark_dirty) |
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{ |
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GX_WIDGET *child; |
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✓✓✓✓
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if (x_shift == 0 && y_shift == 0) |
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{ |
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return GX_SUCCESS; |
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} |
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_gx_widget_shift_helper(widget, x_shift, y_shift, mark_dirty); |
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/* pick up pointer to first child widget */ |
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child = widget -> gx_widget_first_child; |
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/* loop through and shift all my child widgets */ |
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✓✓ |
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while (child) |
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{ |
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_gx_widget_shift_helper(child, x_shift, y_shift, GX_FALSE); |
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✓✓ |
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if (child -> gx_widget_first_child) |
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{ |
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child = child -> gx_widget_first_child; |
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continue; |
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} |
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✓✓✓✓
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while ((child -> gx_widget_next == GX_NULL) && (child != widget)) |
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{ |
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child = child -> gx_widget_parent; |
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} |
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✓✓ |
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if (child == widget) |
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{ |
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break; |
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} |
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child = child -> gx_widget_next; |
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} |
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✓✓✓✓
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if (mark_dirty && (widget -> gx_widget_status & GX_STATUS_VISIBLE)) |
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{ |
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_gx_widget_clipping_update(widget); |
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} |
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return(GX_SUCCESS); |
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} |
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