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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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/** Window Management (Window) */ |
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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_widget.h" |
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#include "gx_window.h" |
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#include "gx_canvas.h" |
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#include "gx_utility.h" |
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/**************************************************************************/ |
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/* */ |
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/* FUNCTION RELEASE */ |
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/* */ |
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/* _gx_window_root_event_process 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 function processes events for the specified root window. */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* widget Window's widget control block */ |
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/* event_ptr Incoming event to process */ |
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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_canvas_shift Shift the canvas */ |
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/* _gx_window_event_process Call widget event processing */ |
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/* */ |
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/* CALLED BY */ |
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/* */ |
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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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14075 |
UINT _gx_window_root_event_process(GX_WINDOW_ROOT *win, GX_EVENT *event_ptr) |
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{ |
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UINT status; |
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GX_VALUE xShift; |
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GX_VALUE yShift; |
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status = GX_SUCCESS; |
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/* Process relative to the type of event. */ |
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✓✓ |
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switch (event_ptr -> gx_event_type) |
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{ |
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case GX_EVENT_PEN_DRAG: |
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✓✓ |
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if (win -> gx_window_move_mode) |
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{ |
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/* to move a root window we have to move the canvas. Calculate |
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the x,y shift amounts |
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*/ |
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xShift = (GX_VALUE)(event_ptr -> gx_event_payload.gx_event_pointdata.gx_point_x - |
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win -> gx_window_move_start.gx_point_x); |
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yShift = (GX_VALUE)(event_ptr -> gx_event_payload.gx_event_pointdata.gx_point_y - |
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win -> gx_window_move_start.gx_point_y); |
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/* reset the starting point for next time */ |
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win -> gx_window_move_start.gx_point_x = |
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(GX_VALUE)(event_ptr -> gx_event_payload.gx_event_pointdata.gx_point_x - xShift); |
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win -> gx_window_move_start.gx_point_y = |
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(GX_VALUE)(event_ptr -> gx_event_payload.gx_event_pointdata.gx_point_y - yShift); |
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/* move the canvas */ |
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_gx_canvas_shift(win -> gx_window_root_canvas, xShift, yShift); |
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} |
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return(GX_SUCCESS); |
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default: |
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/* Call the window default processing function. */ |
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status = _gx_window_event_process((GX_WINDOW *)win, event_ptr); |
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} |
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/* Return widget event processing status. */ |
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return(status); |
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} |
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