gnuplot/src/win/wpause.c at branch-5-0-stable · gnuplot/gnuplot · GitHub

Repository navigation

History

415 lines (374 loc) · 11.7 KB

Raw

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

198

199

200

201

202

203

204

205

206

207

208

209

210

211

212

213

214

215

216

217

218

219

220

221

222

223

224

225

226

227

228

229

230

231

232

233

234

235

236

237

238

239

240

241

242

243

244

245

246

247

248

249

250

251

252

253

254

255

256

257

258

259

260

261

262

263

264

265

266

267

268

269

270

271

272

273

274

275

276

277

278

279

280

281

282

283

284

285

286

287

288

289

290

291

292

293

294

295

296

297

298

299

300

301

302

303

304

305

306

307

308

309

310

311

312

313

314

315

316

317

318

319

320

321

322

323

324

325

326

327

328

329

330

331

332

333

334

335

336

337

338

339

340

341

342

343

344

345

346

347

348

349

350

351

352

353

354

355

356

357

358

359

360

361

362

363

364

365

366

367

368

369

370

371

372

373

374

375

376

377

378

379

380

381

382

383

384

385

386

387

388

389

390

391

392

393

394

395

396

397

398

399

400

401

402

403

404

405

406

407

408

409

410

411

412

413

414

415

* $Id: wpause.c,v 1.27.2.2 2014/12/31 04:38:44 sfeam Exp $

/* GNUPLOT - win/wpause.c */

/*[

* Permission to use, copy, and distribute this software and its

* documentation for any purpose with or without fee is hereby granted,

* provided that the above copyright notice appear in all copies and

* that both that copyright notice and this permission notice appear

* in supporting documentation.

* Permission to modify the software is granted, but not the right to

* distribute the complete modified source code. Modifications are to

* be distributed as patches to the released version. Permission to

* distribute binaries produced by compiling modified sources is granted,

* provided you

* 1. distribute the corresponding source modifications from the

* released version in the form of a patch file along with the binaries,

* 2. add special version identification to distinguish your version

* in addition to the base release version number,

* 3. provide your name and address as the primary contact for the

* support of your modified version, and

* 4. retain our contact information in regard to use of the base

* software.

* Permission to distribute the released version of the source code along

* with corresponding source modifications in the form of a patch file is

* granted with same provisions 2 through 4 for binary distributions.

* This software is provided "as is" without express or implied warranty

* to the extent permitted by applicable law.

]*/

* AUTHORS

* Russell Lang

/* PauseBox() */

/* MessageBox ALWAYS appears in the middle of the screen so instead */

/* we use this PauseBox so we can decide where it is to be placed */

#ifdef HAVE_CONFIG_H

# include "config.h"

#endif

#define STRICT

#include <windows.h>

#include <windowsx.h>

#include <string.h>

#include "wgnuplib.h"

#include "wresourc.h"

#include "wcommon.h"

#include "winmain.h"

/* for paused_for_mouse */

#include "command.h"

/* for ctrlc_flag */

#include "plot.h"

#ifdef WXWIDGETS

#include "wxterminal/wxt_term.h"

#endif

#ifdef QTTERM

#include "qtterminal/qt_term.h"

#endif

#ifdef HAVE_LIBCACA

# define TERM_PUBLIC_PROTO

# include "caca.trm"

# undef TERM_PUBLIC_PROTO

#endif

/* Pause Window */

static void CreatePauseClass(LPPW lppw);

LRESULT CALLBACK WndPauseProc(HWND, UINT, WPARAM, LPARAM);

LRESULT CALLBACK PauseButtonProc(HWND, UINT, WPARAM, LPARAM);

/* Non-blocking Sleep function, called by pause_command.

This allows redrawing and (some) user interaction.

void

win_sleep(DWORD dwMilliSeconds)

{

DWORD t0, t1, tstop, rc;

t0 = GetTickCount();

tstop = t0 + dwMilliSeconds;

t1 = dwMilliSeconds; /* remaining time to wait */

do {

#ifdef HAVE_LIBCACA

HANDLE h;

#endif

if (term->waitforinput != NULL)

term->waitforinput(TERM_ONLY_CHECK_MOUSING);

#ifndef HAVE_LIBCACA

rc = MsgWaitForMultipleObjects(0, NULL, FALSE, t1, QS_ALLINPUT);

if (rc != WAIT_TIMEOUT) {

#else

h = GetStdHandle(STD_INPUT_HANDLE);

if (h != NULL)

rc = MsgWaitForMultipleObjects(1, &h, FALSE, t1, QS_ALLINPUT);

else

rc = MsgWaitForMultipleObjects(0, NULL, FALSE, t1, QS_ALLINPUT);

if (rc != WAIT_TIMEOUT) {

if (strcmp(term->name, "caca") == 0)

CACA_process_events();

#endif

WinMessageLoop();

/* calculate remaining time, detect overflow */

t1 = GetTickCount();

if (tstop > t0) {

if ((t1 >= tstop) || (t1 < t0))

rc = WAIT_TIMEOUT;

} else {

if ((t1 >= tstop) && (t1 < t0))

rc = WAIT_TIMEOUT;

}

t1 = tstop - t1; /* remaining time to wait */

}

} while (rc != WAIT_TIMEOUT);

}

/* Create Pause Class */

/* called from PauseBox the first time a pause window is created */

static void

CreatePauseClass(LPPW lppw)

{

WNDCLASS wndclass;

wndclass.style = 0;

wndclass.lpfnWndProc = (WNDPROC)WndPauseProc;

wndclass.cbClsExtra = 0;

wndclass.cbWndExtra = sizeof(void *);

wndclass.hInstance = lppw->hInstance;

wndclass.hIcon = NULL;

wndclass.hCursor = LoadCursor(NULL, IDC_ARROW);

wndclass.hbrBackground = (HBRUSH)(COLOR_BTNFACE + 1);

wndclass.lpszMenuName = NULL;

wndclass.lpszClassName = szPauseClass;

RegisterClass(&wndclass);

}

TBOOLEAN

MousableWindowOpened(void)

{

TBOOLEAN result = FALSE;

#ifdef USE_MOUSE

/* only pause-for-mouse when a window is open */

/* FIXME: we might want to have a terminal entry for that */

if (term != NULL) {

if ((strcmp(term->name, "windows") == 0) && GraphHasWindow(graphwin))

result = TRUE;

#ifdef WXWIDGETS

/* FIXME: this does not test if the current window is open */

else if ((strcmp(term->name, "wxt") == 0) && wxt_active_window_opened())

result = TRUE;

#endif

#ifdef HAVE_LIBCACA

else if ((strcmp(term->name, "caca") == 0) && CACA_window_opened())

result = TRUE;

#endif

#ifdef QTTERM

# if 0 /* FIXME: qt_window_opened() not yet implemented */

if ((strcmp(term->name, "qt") == 0) && !qt_active_window_opened())

#else

if ((strcmp(term->name, "qt") == 0))

# endif

result = TRUE;

#endif

}

#endif

return result;

}

/* PauseBox */

int WDPROC

PauseBox(LPPW lppw)

{

HDC hdc;

int width, height;

TEXTMETRIC tm;

RECT rect;

SIZE size;

char *current_pause_title = lppw->Title;

#ifdef USE_MOUSE

/* Do not try to wait for mouse events when there's no graph window open. */

if (paused_for_mouse && !MousableWindowOpened())

paused_for_mouse = 0;

if (!paused_for_mouse)

#endif

{

if (!lppw->hPrevInstance)

CreatePauseClass(lppw);

GetWindowRect(GetDesktopWindow(), &rect);

if ((lppw->Origin.x == CW_USEDEFAULT) || (lppw->Origin.x == 0))

lppw->Origin.x = (rect.right + rect.left) / 2;

if ((lppw->Origin.y == CW_USEDEFAULT) || (lppw->Origin.y == 0))

lppw->Origin.y = (rect.bottom + rect.top) / 2;

hdc = GetDC(NULL);

SelectObject(hdc, GetStockObject(DEFAULT_GUI_FONT));

/* determine actual text size */

GetTextExtentPoint32(hdc, lppw->Message, strlen(lppw->Message), &size);

GetTextMetrics(hdc, &tm);

width = max(28 * tm.tmAveCharWidth, size.cx + 6 * tm.tmAveCharWidth);

width = min(width, rect.right - rect.left);

height = 8 * size.cy;

ReleaseDC(NULL,hdc);

lppw->hWndPause = CreateWindowEx(

WS_EX_DLGMODALFRAME | WS_EX_APPWINDOW,

szPauseClass, current_pause_title,

/* HBB 981202: WS_POPUPWINDOW would have WS_SYSMENU in it, but we don't

* want, nor need, a System menu in our Pause windows. */

WS_POPUP | WS_BORDER | WS_CAPTION,

lppw->Origin.x - width/2, lppw->Origin.y - height/2,

width, height,

lppw->hWndParent, NULL, lppw->hInstance, lppw);

ShowWindow(lppw->hWndPause, SW_SHOWNORMAL);

BringWindowToTop(lppw->hWndPause);

UpdateWindow(lppw->hWndPause);

lppw->bPause = TRUE;

lppw->bPauseCancel = IDCANCEL;

while (lppw->bPause && !ctrlc_flag) {

if (term->waitforinput == NULL) {

/* Only handle message queue events */

WinMessageLoop();

if (lppw->bPause && !ctrlc_flag)

WaitMessage();

} else {

/* Call the non-blocking sleep function,

which also handles console input (caca terminal)

and mousing of the current terminal (e.g. qt) */

win_sleep(50);

}

DestroyWindow(lppw->hWndPause);

return lppw->bPauseCancel;

}

#ifdef USE_MOUSE

else {

/* Don't show the pause "OK CANCEL" dialog for "pause mouse ..."

Note: maybe gnuplot should display a message like

"gnuplot pausing (waiting for mouse click)"

in the window status or title bar or somewhere else.

while (paused_for_mouse && !ctrlc_flag) {

if (term->waitforinput == NULL) {

/* Only handle message queue events */

WinMessageLoop();

if (paused_for_mouse && !ctrlc_flag)

WaitMessage();

} else {

/* Call the non-blocking sleep function,

which also handles console input (caca terminal)

and mousing of the current terminal (e.g. qt) */

win_sleep(50);

}

return !ctrlc_flag;

}

#endif

}

LRESULT CALLBACK

WndPauseProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)

{

HDC hdc;

PAINTSTRUCT ps;

RECT rect;

TEXTMETRIC tm;

LPPW lppw;

int cxChar, cyChar, middle;

HFONT hfont;

lppw = (LPPW)GetWindowLongPtr(hwnd, 0);

switch(message) {

case WM_KEYDOWN:

if (wParam == VK_RETURN)

SendMessage(hwnd, WM_COMMAND, lppw->bDefOK ? IDOK : IDCANCEL, 0L);

else if (wParam == VK_ESCAPE)

SendMessage(hwnd, WM_COMMAND, IDCANCEL, 0L);

return 0;

case WM_COMMAND:

if ((LOWORD(wParam) == IDCANCEL) || (LOWORD(wParam) == IDOK)) {

lppw->bPauseCancel = LOWORD(wParam);

lppw->bPause = FALSE;

break;

}

return 0;

case WM_SETFOCUS:

SetFocus(lppw->bDefOK ? lppw->hOK : lppw->hCancel);

return 0;

case WM_PAINT: {

hdc = BeginPaint(hwnd, &ps);

SelectObject(hdc, GetStockObject(DEFAULT_GUI_FONT));

SetTextAlign(hdc, TA_CENTER);

GetClientRect(hwnd, &rect);

SetBkMode(hdc,TRANSPARENT);

TextOut(hdc, (rect.right + rect.left) / 2, (rect.bottom + rect.top) / 6,

lppw->Message, strlen(lppw->Message));

EndPaint(hwnd, &ps);

return 0;

}

case WM_CREATE: {

int ws_opts = WS_CHILD | WS_TABSTOP;

#ifdef USE_MOUSE

if (!paused_for_mouse) /* don't show buttons during pausing for mouse or key */

ws_opts |= WS_VISIBLE;

#endif

lppw = (LPPW) ((CREATESTRUCT *)lParam)->lpCreateParams;

SetWindowLongPtr(hwnd, 0, (LONG_PTR)lppw);

lppw->hWndPause = hwnd;

hdc = GetDC(hwnd);

hfont = (HFONT) GetStockObject(DEFAULT_GUI_FONT);

SelectObject(hdc, hfont);

GetTextMetrics(hdc, &tm);

cxChar = tm.tmAveCharWidth;

cyChar = tm.tmHeight + tm.tmExternalLeading;

ReleaseDC(hwnd, hdc);

middle = ((LPCREATESTRUCT) lParam)->cx / 2;

lppw->hOK = CreateWindow((LPSTR)"button", (LPSTR)"OK",

ws_opts | BS_DEFPUSHBUTTON,

middle - 13 * cxChar, 3 * cyChar,

10 * cxChar, 7 * cyChar / 4,

hwnd, (HMENU)IDOK,

((LPCREATESTRUCT) lParam)->hInstance, NULL);

lppw->bDefOK = TRUE;

lppw->hCancel = CreateWindow((LPSTR)"button", (LPSTR)"Cancel",

ws_opts | BS_PUSHBUTTON,

middle - 1 * cxChar, 3 * cyChar,

10 * cxChar, 7 * cyChar / 4,

hwnd, (HMENU)IDCANCEL,

((LPCREATESTRUCT) lParam)->hInstance, NULL);

lppw->lpfnOK = (WNDPROC) GetWindowLongPtr(lppw->hOK, GWLP_WNDPROC);

SetWindowLongPtr(lppw->hOK, GWLP_WNDPROC, (LONG_PTR)PauseButtonProc);

lppw->lpfnCancel = (WNDPROC) GetWindowLongPtr(lppw->hCancel, GWLP_WNDPROC);

SetWindowLongPtr(lppw->hCancel, GWLP_WNDPROC, (LONG_PTR)PauseButtonProc);

SendMessage(lppw->hOK, WM_SETFONT, (WPARAM)hfont, 0);

SendMessage(lppw->hCancel, WM_SETFONT, (WPARAM)hfont, 0);

if (GetParent(hwnd))

EnableWindow(GetParent(hwnd), FALSE);

return 0;

}

case WM_DESTROY:

GetWindowRect(hwnd, &rect);

lppw->Origin.x = (rect.right + rect.left) / 2;

lppw->Origin.y = (rect.bottom + rect.top) / 2;

lppw->bPause = FALSE;

if (GetParent(hwnd))

EnableWindow(GetParent(hwnd), TRUE);

break;

}

return DefWindowProc(hwnd, message, wParam, lParam);

}

LRESULT CALLBACK

PauseButtonProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)

{

LPPW lppw;

LONG n = GetWindowLong(hwnd, GWL_ID);

lppw = (LPPW)GetWindowLongPtr(GetParent(hwnd), 0);

switch (message) {

case WM_KEYDOWN:

switch (wParam) {

case VK_TAB:

case VK_BACK:

case VK_LEFT:

case VK_RIGHT:

case VK_UP:

case VK_DOWN:

lppw->bDefOK = !(n == IDOK);

if (lppw->bDefOK) {

SendMessage(lppw->hOK, BM_SETSTYLE, (WPARAM)BS_DEFPUSHBUTTON, (LPARAM)TRUE);

SendMessage(lppw->hCancel, BM_SETSTYLE, (WPARAM)BS_PUSHBUTTON, (LPARAM)TRUE);

SetFocus(lppw->hOK);

} else {

SendMessage(lppw->hOK, BM_SETSTYLE, (WPARAM)BS_PUSHBUTTON, (LPARAM)TRUE);

SendMessage(lppw->hCancel, BM_SETSTYLE, (WPARAM)BS_DEFPUSHBUTTON, (LPARAM)TRUE);

SetFocus(lppw->hCancel);

}

break;

default:

SendMessage(GetParent(hwnd), message, wParam, lParam);

}

break;

}

return CallWindowProc(((n == IDOK) ? lppw->lpfnOK : lppw->lpfnCancel),

hwnd, message, wParam, lParam);

}

gnuplot/src/win/wpause.c at branch-5-0-stable · gnuplot/gnuplot · GitHub

Repository navigation

Expand file tree

Breadcrumbs

wpause.c

Latest commit

History

Breadcrumbs

wpause.c

File metadata and controls