[38] | 1 | // Copyright (c) 2013 by István Váradi
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| 2 |
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| 3 | // This file is part of XPLRA, a remote-access plugin for X-Plane
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| 4 |
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| 5 | // Redistribution and use in source and binary forms, with or without
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| 6 | // modification, are permitted provided that the following conditions are met:
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| 7 |
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| 8 | // 1. Redistributions of source code must retain the above copyright notice, this
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| 9 | // list of conditions and the following disclaimer.
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| 10 | // 2. Redistributions in binary form must reproduce the above copyright notice,
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| 11 | // this list of conditions and the following disclaimer in the documentation
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| 12 | // and/or other materials provided with the distribution.
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| 13 |
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| 14 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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| 15 | // ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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| 16 | // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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| 17 | // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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| 18 | // ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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| 19 | // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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| 20 | // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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| 21 | // ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 22 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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| 23 | // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 24 |
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| 25 | // The views and conclusions contained in the software and documentation are those
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| 26 | // of the authors and should not be interpreted as representing official policies,
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| 27 | // either expressed or implied, of the FreeBSD Project.
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| 28 |
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| 29 | //------------------------------------------------------------------------------
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| 30 |
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| 31 | #include "MessageWindow.h"
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| 32 |
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| 33 | #include <hu/varadiistvan/xplcommon/Util.h>
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| 34 |
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| 35 | #include <XPLMProcessing.h>
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| 36 | #include <XPLMGraphics.h>
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| 37 |
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| 38 | //------------------------------------------------------------------------------
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| 39 |
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| 40 | using xplra::MessageWindow;
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| 41 |
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| 42 | using hu::varadiistvan::xplcommon::Util;
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| 43 |
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[50] | 44 | using std::string;
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[48] | 45 | using std::min;
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| 46 | using std::max;
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| 47 |
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[38] | 48 | //------------------------------------------------------------------------------
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| 49 |
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| 50 | void MessageWindow::drawWindowCallback(XPLMWindowID /*windowID*/, void* refCon)
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| 51 | {
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| 52 | MessageWindow* messageWindow = reinterpret_cast<MessageWindow*>(refCon);
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| 53 | messageWindow->drawWindow();
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| 54 | }
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| 55 |
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| 56 | //------------------------------------------------------------------------------
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| 57 |
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| 58 | void MessageWindow::handleKeyCallback(XPLMWindowID /*windowID*/, char key,
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| 59 | XPLMKeyFlags flags, char virtualKey,
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| 60 | void* refCon, int losingFocus)
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| 61 | {
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| 62 | MessageWindow* messageWindow = reinterpret_cast<MessageWindow*>(refCon);
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| 63 | messageWindow->handleKey(key, flags, virtualKey, losingFocus!=0);
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| 64 | }
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| 65 |
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| 66 | //------------------------------------------------------------------------------
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| 67 |
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| 68 | int MessageWindow::handleMouseClickCallback(XPLMWindowID /*windowID*/,
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| 69 | int x, int y,
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| 70 | XPLMMouseStatus mouse, void* refCon)
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| 71 | {
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| 72 | MessageWindow* messageWindow = reinterpret_cast<MessageWindow*>(refCon);
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| 73 | return messageWindow->handleMouseClick(x, y, mouse) ? 1 : 0;
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| 74 | }
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| 75 |
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| 76 | //------------------------------------------------------------------------------
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| 77 |
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| 78 | MessageWindow::MessageWindow() :
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[50] | 79 | maxMessageLength(0),
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[42] | 80 | showForced(false),
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[38] | 81 | hideTime(0.0),
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[49] | 82 | clickedX(-1),
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| 83 | clickedY(-1),
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| 84 | clickedLeft(-1),
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| 85 | clickedTop(-1),
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| 86 | clickedRight(-1),
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| 87 | clickedBottom(-1),
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[38] | 88 | duration(0.0)
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| 89 | {
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| 90 | widthDataRef = XPLMFindDataRef("sim/graphics/view/window_width");
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| 91 | heightDataRef = XPLMFindDataRef("sim/graphics/view/window_height");
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| 92 |
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[50] | 93 | int digitsOnly = 0;
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| 94 | XPLMGetFontDimensions(xplmFont_Basic, &fontWidth, &fontHeight, &digitsOnly);
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| 95 |
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| 96 | Util::debug("hu.varadiistvan.xplra.MessageWindow: fontWidth=%d, fontHeight=%d\n",
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| 97 | fontWidth, fontHeight);
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| 98 |
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[47] | 99 | resetLocation();
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[38] | 100 |
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| 101 | windowID = XPLMCreateWindow(left, top, right, bottom, 0,
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| 102 | &drawWindowCallback,
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| 103 | &handleKeyCallback,
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| 104 | &handleMouseClickCallback, this);
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| 105 | }
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| 106 |
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| 107 | //------------------------------------------------------------------------------
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| 108 |
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| 109 | MessageWindow::~MessageWindow()
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| 110 | {
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| 111 | XPLMSetWindowIsVisible(windowID, 0);
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| 112 | XPLMDestroyWindow(windowID);
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| 113 | }
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| 114 |
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| 115 | //------------------------------------------------------------------------------
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| 116 |
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[42] | 117 | void MessageWindow::show()
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| 118 | {
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| 119 | showForced = true;
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| 120 | XPLMSetWindowIsVisible(windowID, 1);
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| 121 | }
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| 122 |
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| 123 | //------------------------------------------------------------------------------
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| 124 |
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| 125 | void MessageWindow::hide()
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| 126 | {
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| 127 | showForced = false;
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| 128 | }
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| 129 |
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| 130 | //------------------------------------------------------------------------------
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| 131 |
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[47] | 132 | void MessageWindow::reset()
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| 133 | {
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| 134 | resetLocation();
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| 135 | XPLMSetWindowGeometry(windowID, left, top, right, bottom);
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| 136 | }
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| 137 |
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| 138 | //------------------------------------------------------------------------------
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| 139 |
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[38] | 140 | void MessageWindow::drawWindow()
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| 141 | {
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| 142 | static float colour[3] = { 0.2, 1.0, 0.65 };
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| 143 |
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| 144 | float now = XPLMGetElapsedTime();
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| 145 |
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| 146 | float d = getNewMessage(displayedMessage);
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| 147 | if (d>0.0) {
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| 148 | hideTime = now + d;
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| 149 | }
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| 150 |
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[42] | 151 | if (now>=hideTime) hideTime = 0.0;
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| 152 |
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| 153 | if (hideTime==0.0 && !showForced) {
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[38] | 154 | XPLMSetWindowIsVisible(windowID, 0);
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| 155 | } else {
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| 156 | XPLMDrawTranslucentDarkBox(left, top, right, bottom);
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[42] | 157 | if (hideTime!=0.0) {
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[50] | 158 |
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| 159 | string dm(displayedMessage, 0, maxMessageLength);
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| 160 |
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| 161 | XPLMDrawString(colour,
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| 162 | left + horizontalMarginSize,
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| 163 | bottom + verticalMarginSize + baseLineSize,
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| 164 | const_cast<char*>(dm.c_str()), 0,
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[42] | 165 | xplmFont_Basic);
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| 166 | }
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[38] | 167 | }
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| 168 | }
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| 169 |
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| 170 | //------------------------------------------------------------------------------
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| 171 |
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| 172 | void MessageWindow::handleKey(char key, XPLMKeyFlags flags, char virtualKey,
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| 173 | bool losingFocus)
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| 174 | {
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| 175 | Util::debug("hu.varadiistvan.xplra.MessageWindow.handleKey: key=0x%02d (%c), flags=0x%04x, virtualKey=0x%02d (%c), losingFocus=%d\n",
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| 176 | key, key, flags, virtualKey, virtualKey, losingFocus);
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| 177 | }
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| 178 |
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| 179 | //------------------------------------------------------------------------------
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| 180 |
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| 181 | bool MessageWindow::handleMouseClick(int x, int y, XPLMMouseStatus mouse)
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| 182 | {
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[48] | 183 | if (mouse==xplm_MouseDown) {
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| 184 | if (x <= (left + resizeArea) ) {
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| 185 | mouseMode = MOUSE_RESIZE_LEFT;
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| 186 | } else if (x > (right-resizeArea) ) {
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| 187 | mouseMode = MOUSE_RESIZE_RIGHT;
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| 188 | } else {
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| 189 | mouseMode = MOUSE_MOVE;
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| 190 | }
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| 191 | clickedX = x;
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| 192 | clickedY = y;
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[49] | 193 | clickedLeft = left;
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| 194 | clickedTop = top;
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| 195 | clickedRight = right;
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| 196 | clickedBottom = bottom;
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[48] | 197 | } else if (mouse==xplm_MouseDrag) {
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| 198 | int xDiff = x - clickedX;
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| 199 |
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| 200 | if (mouseMode==MOUSE_MOVE) {
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[49] | 201 | int newLeft = clickedLeft + xDiff;
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| 202 | int newRight = clickedRight + xDiff;
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[48] | 203 |
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| 204 | int screenWidth = XPLMGetDatai(widthDataRef);
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| 205 | if (newLeft>=0 && newRight<screenWidth) {
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| 206 | left = newLeft;
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| 207 | right = newRight;
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| 208 | }
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| 209 |
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| 210 | int yDiff = y - clickedY;
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[49] | 211 | int newTop = clickedTop + yDiff;
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| 212 | int newBottom = clickedBottom + yDiff;
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[48] | 213 |
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| 214 | int screenHeight = XPLMGetDatai(heightDataRef);
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| 215 | if (newTop<screenHeight && newBottom>=0) {
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| 216 | top = newTop;
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| 217 | bottom = newBottom;
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| 218 | }
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| 219 | } else if (mouseMode==MOUSE_RESIZE_LEFT) {
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[49] | 220 | int newLeft = clickedLeft + xDiff;
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[48] | 221 | if (newLeft>=0 && (right-newLeft)>=minimalWidth) {
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| 222 | left = newLeft;
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[50] | 223 | recalculateMaxMessageLength();
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[48] | 224 | }
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| 225 | } else if (mouseMode==MOUSE_RESIZE_RIGHT) {
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[49] | 226 | int newRight = clickedRight + xDiff;
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[48] | 227 | int screenWidth = XPLMGetDatai(widthDataRef);
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| 228 | if (newRight<screenWidth && (newRight-left)>=minimalWidth) {
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| 229 | right = newRight;
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[50] | 230 | recalculateMaxMessageLength();
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[48] | 231 | }
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| 232 | }
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| 233 |
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| 234 | XPLMSetWindowGeometry(windowID, left, top, right, bottom);
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| 235 | }
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| 236 |
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[38] | 237 | return true;
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| 238 | }
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| 239 |
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| 240 | //------------------------------------------------------------------------------
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| 241 |
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| 242 | float MessageWindow::getNewMessage(std::string& dest)
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| 243 | {
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| 244 | mutex.lock();
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| 245 |
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| 246 | float d = duration;
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| 247 | if (d>0.0) {
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| 248 | dest = message;
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| 249 |
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| 250 | message.clear();
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| 251 | duration = 0.0;
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| 252 | }
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| 253 |
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| 254 | mutex.unlock();
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| 255 |
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| 256 | return d;
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| 257 | }
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| 258 |
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| 259 | //------------------------------------------------------------------------------
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| 260 |
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| 261 | void MessageWindow::setNewMessage(const std::string& msg, float d)
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| 262 | {
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| 263 | mutex.lock();
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| 264 | message = msg;
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| 265 | duration = d;
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| 266 | mutex.unlock();
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| 267 |
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| 268 | XPLMSetWindowIsVisible(windowID, 1);
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| 269 | }
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| 270 |
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| 271 | //------------------------------------------------------------------------------
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| 272 |
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[47] | 273 | void MessageWindow::resetLocation()
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| 274 | {
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| 275 | int screenWidth = XPLMGetDatai(widthDataRef);
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| 276 | int screenHeight = XPLMGetDatai(heightDataRef);
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| 277 |
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| 278 | // Util::debug("hu.varadiistvan.xplra.MessageWindow: screenWidth=%d, screenHeight=%d\n",
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| 279 | // screenWidth, screenHeight);
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| 280 |
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[50] | 281 | left = 50;
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| 282 | right = screenWidth - left;
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| 283 |
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| 284 | top = screenHeight * 9 / 10;
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| 285 | bottom = top - fontHeight - 2*verticalMarginSize;
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| 286 |
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| 287 | recalculateMaxMessageLength();
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| 288 | }
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| 289 |
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| 290 | //------------------------------------------------------------------------------
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| 291 |
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| 292 | void MessageWindow::recalculateMaxMessageLength()
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| 293 | {
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| 294 | maxMessageLength = (right + 1 - left) - 2 * horizontalMarginSize;
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| 295 | maxMessageLength /= fontWidth;
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[47] | 296 | }
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| 297 |
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| 298 | //------------------------------------------------------------------------------
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| 299 |
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[38] | 300 | // Local Variables:
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| 301 | // mode: C++
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| 302 | // c-basic-offset: 4
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| 303 | // indent-tabs-mode: nil
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| 304 | // End:
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