| 1 | /* The emacs frame widget. |
| 2 | Copyright (C) 1992, 1993 Free Software Foundation, Inc. |
| 3 | |
| 4 | This file is part of GNU Emacs. |
| 5 | |
| 6 | GNU Emacs is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation; either version 2, or (at your option) |
| 9 | any later version. |
| 10 | |
| 11 | GNU Emacs is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | GNU General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with GNU Emacs; see the file COPYING. If not, write to |
| 18 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ |
| 19 | |
| 20 | /* Emacs 19 face widget ported by Fred Pierresteguy */ |
| 21 | |
| 22 | #include <stdio.h> |
| 23 | #include <config.h> |
| 24 | #include "lisp.h" |
| 25 | #include "xterm.h" |
| 26 | |
| 27 | #include "frame.h" |
| 28 | |
| 29 | #include "dispextern.h" |
| 30 | |
| 31 | |
| 32 | #include <X11/StringDefs.h> |
| 33 | #include <X11/IntrinsicP.h> |
| 34 | #include <X11/cursorfont.h> |
| 35 | #include "widgetprv.h" |
| 36 | #include <X11/ObjectP.h> |
| 37 | #include <X11/Shell.h> |
| 38 | #include <X11/ShellP.h> |
| 39 | |
| 40 | #define max(a, b) ((a) > (b) ? (a) : (b)) |
| 41 | |
| 42 | /* This sucks: this is the first default that x-faces.el tries. This won't |
| 43 | be used unless neither the "Emacs.EmacsFrame" resource nor the |
| 44 | "Emacs.EmacsFrame" resource is set; the frame |
| 45 | may have the wrong default size if this font doesn't exist, but some other |
| 46 | font that x-faces.el does. The workaround is to specify some font in the |
| 47 | resource database; I don't know a solution other than duplicating the font- |
| 48 | searching code from x-faces.el in this file. |
| 49 | |
| 50 | This also means that if "Emacs.EmacsFrame" is specified as a non- |
| 51 | existent font, then Xt is going to substitute "XtDefaultFont" for it, |
| 52 | which is a different size than this one. The solution for this is to |
| 53 | make x-faces.el try to use XtDefaultFont. The problem with that is that |
| 54 | XtDefaultFont is almost certainly variable-width. |
| 55 | |
| 56 | #### Perhaps we could have this code explicitly set XtDefaultFont to this? |
| 57 | */ |
| 58 | #define DEFAULT_FACE_FONT "-*-courier-medium-r-*-*-*-120-*-*-*-*-iso8859-*" |
| 59 | |
| 60 | |
| 61 | static void EmacsFrameInitialize (/*Widget, Widget, ArgList, Cardinal * */); |
| 62 | static void EmacsFrameDestroy (/* Widget */); |
| 63 | static void EmacsFrameRealize (/* Widget, XtValueMask*, XSetWindowAttributes* */); |
| 64 | void EmacsFrameResize (/* Widget widget */); |
| 65 | static Boolean EmacsFrameSetValues (/* Widget, Widget, Widget, |
| 66 | ArgList, Cardinal * */); |
| 67 | static XtGeometryResult EmacsFrameQueryGeometry (/* Widget, XtWidgetGeometry*, |
| 68 | XtWidgetGeometry* */); |
| 69 | |
| 70 | |
| 71 | #undef XtOffset |
| 72 | #define XtOffset(p_type,field) \ |
| 73 | ((Cardinal) (((char *) (&(((p_type)0)->field))) - ((char *)0))) |
| 74 | #define offset(field) XtOffset(EmacsFrame, emacs_frame.field) |
| 75 | |
| 76 | static XtResource resources[] = { |
| 77 | {XtNgeometry, XtCGeometry, XtRString, sizeof(String), |
| 78 | offset (geometry), XtRString, (XtPointer) 0}, |
| 79 | {XtNiconic, XtCIconic, XtRBoolean, sizeof(Boolean), |
| 80 | offset (iconic), XtRImmediate, (XtPointer) False}, |
| 81 | |
| 82 | {XtNemacsFrame, XtCEmacsFrame, XtRPointer, sizeof (XtPointer), |
| 83 | offset (frame), XtRImmediate, 0}, |
| 84 | |
| 85 | {XtNminibuffer, XtCMinibuffer, XtRInt, sizeof (int), |
| 86 | offset (minibuffer), XtRImmediate, (XtPointer)0}, |
| 87 | {XtNunsplittable, XtCUnsplittable, XtRBoolean, sizeof (Boolean), |
| 88 | offset (unsplittable), XtRImmediate, (XtPointer)0}, |
| 89 | {XtNinternalBorderWidth, XtCInternalBorderWidth, XtRInt, sizeof (int), |
| 90 | offset (internal_border_width), XtRImmediate, (XtPointer)4}, |
| 91 | {XtNinterline, XtCInterline, XtRInt, sizeof (int), |
| 92 | offset (interline), XtRImmediate, (XtPointer)0}, |
| 93 | {XtNfont, XtCFont, XtRFontStruct, sizeof(XFontStruct *), |
| 94 | offset(font),XtRString, DEFAULT_FACE_FONT}, |
| 95 | {XtNforeground, XtCForeground, XtRPixel, sizeof(Pixel), |
| 96 | offset(foreground_pixel), XtRString, "XtDefaultForeground"}, |
| 97 | {XtNcursorColor, XtCForeground, XtRPixel, sizeof(Pixel), |
| 98 | offset(cursor_color), XtRString, "XtDefaultForeground"}, |
| 99 | {XtNbarCursor, XtCBarCursor, XtRBoolean, sizeof (Boolean), |
| 100 | offset (bar_cursor), XtRImmediate, (XtPointer)0}, |
| 101 | {XtNvisualBell, XtCVisualBell, XtRBoolean, sizeof (Boolean), |
| 102 | offset (visual_bell), XtRImmediate, (XtPointer)0}, |
| 103 | {XtNbellVolume, XtCBellVolume, XtRInt, sizeof (int), |
| 104 | offset (bell_volume), XtRImmediate, (XtPointer)0}, |
| 105 | }; |
| 106 | |
| 107 | #undef offset |
| 108 | |
| 109 | /* |
| 110 | static XtActionsRec |
| 111 | emacsFrameActionsTable [] = { |
| 112 | {"keypress", key_press}, |
| 113 | {"focus_in", emacs_frame_focus_handler}, |
| 114 | {"focus_out", emacs_frame_focus_handler}, |
| 115 | }; |
| 116 | |
| 117 | static char |
| 118 | emacsFrameTranslations [] = "\ |
| 119 | <KeyPress>: keypress()\n\ |
| 120 | <FocusIn>: focus_in()\n\ |
| 121 | <FocusOut>: focus_out()\n\ |
| 122 | "; |
| 123 | */ |
| 124 | |
| 125 | EmacsFrameClassRec emacsFrameClassRec = { |
| 126 | { /* core fields */ |
| 127 | /* superclass */ &widgetClassRec, |
| 128 | /* class_name */ "EmacsFrame", |
| 129 | /* widget_size */ sizeof(EmacsFrameRec), |
| 130 | /* class_initialize */ 0, |
| 131 | /* class_part_initialize */ 0, |
| 132 | /* class_inited */ FALSE, |
| 133 | /* initialize */ EmacsFrameInitialize, |
| 134 | /* initialize_hook */ 0, |
| 135 | /* realize */ EmacsFrameRealize, |
| 136 | /* actions */ 0, /*emacsFrameActionsTable*/ |
| 137 | /* num_actions */ 0, /*XtNumber (emacsFrameActionsTable)*/ |
| 138 | /* resources */ resources, |
| 139 | /* resource_count */ XtNumber(resources), |
| 140 | /* xrm_class */ NULLQUARK, |
| 141 | /* compress_motion */ TRUE, |
| 142 | /* compress_exposure */ TRUE, |
| 143 | /* compress_enterleave */ TRUE, |
| 144 | /* visible_interest */ FALSE, |
| 145 | /* destroy */ EmacsFrameDestroy, |
| 146 | /* resize */ EmacsFrameResize, |
| 147 | /* expose */ XtInheritExpose, |
| 148 | /* set_values */ EmacsFrameSetValues, |
| 149 | /* set_values_hook */ 0, |
| 150 | /* set_values_almost */ XtInheritSetValuesAlmost, |
| 151 | /* get_values_hook */ 0, |
| 152 | /* accept_focus */ XtInheritAcceptFocus, |
| 153 | /* version */ XtVersion, |
| 154 | /* callback_private */ 0, |
| 155 | /* tm_table */ 0, /*emacsFrameTranslations*/ |
| 156 | /* query_geometry */ EmacsFrameQueryGeometry, |
| 157 | /* display_accelerator */ XtInheritDisplayAccelerator, |
| 158 | /* extension */ 0 |
| 159 | } |
| 160 | }; |
| 161 | |
| 162 | WidgetClass emacsFrameClass = (WidgetClass) &emacsFrameClassRec; |
| 163 | |
| 164 | static void |
| 165 | get_default_char_pixel_size (ew, pixel_width, pixel_height) |
| 166 | EmacsFrame ew; |
| 167 | int* pixel_width; |
| 168 | int* pixel_height; |
| 169 | { |
| 170 | struct frame* f = ew->emacs_frame.frame; |
| 171 | *pixel_width = FONT_WIDTH (f->display.x->font); |
| 172 | *pixel_height = f->display.x->line_height; |
| 173 | } |
| 174 | |
| 175 | static void |
| 176 | pixel_to_char_size (ew, pixel_width, pixel_height, char_width, char_height) |
| 177 | EmacsFrame ew; |
| 178 | Dimension pixel_width; |
| 179 | Dimension pixel_height; |
| 180 | int* char_width; |
| 181 | int* char_height; |
| 182 | { |
| 183 | struct frame* f = ew->emacs_frame.frame; |
| 184 | *char_width = PIXEL_TO_CHAR_WIDTH (f, pixel_width); |
| 185 | *char_height = PIXEL_TO_CHAR_HEIGHT (f, pixel_height); |
| 186 | } |
| 187 | |
| 188 | static void |
| 189 | char_to_pixel_size (ew, char_width, char_height, pixel_width, pixel_height) |
| 190 | EmacsFrame ew; |
| 191 | int char_width; |
| 192 | int char_height; |
| 193 | Dimension* pixel_width; |
| 194 | Dimension* pixel_height; |
| 195 | { |
| 196 | struct frame* f = ew->emacs_frame.frame; |
| 197 | *pixel_width = CHAR_TO_PIXEL_WIDTH (f, char_width); |
| 198 | *pixel_height = CHAR_TO_PIXEL_HEIGHT (f, char_height); |
| 199 | } |
| 200 | |
| 201 | static void |
| 202 | round_size_to_char (ew, in_width, in_height, out_width, out_height) |
| 203 | EmacsFrame ew; |
| 204 | Dimension in_width; |
| 205 | Dimension in_height; |
| 206 | Dimension* out_width; |
| 207 | Dimension* out_height; |
| 208 | { |
| 209 | int char_width; |
| 210 | int char_height; |
| 211 | pixel_to_char_size (ew, in_width, in_height, &char_width, &char_height); |
| 212 | char_to_pixel_size (ew, char_width, char_height, out_width, out_height); |
| 213 | } |
| 214 | |
| 215 | static Widget |
| 216 | get_wm_shell (w) |
| 217 | Widget w; |
| 218 | { |
| 219 | Widget wmshell; |
| 220 | |
| 221 | for (wmshell = XtParent (w); |
| 222 | wmshell && !XtIsWMShell (wmshell); |
| 223 | wmshell = XtParent (wmshell)); |
| 224 | |
| 225 | return wmshell; |
| 226 | } |
| 227 | |
| 228 | static void |
| 229 | mark_shell_size_user_specified (wmshell) |
| 230 | Widget wmshell; |
| 231 | { |
| 232 | if (! XtIsWMShell (wmshell)) abort (); |
| 233 | /* This is kind of sleazy, but I can't see how else to tell it to make it |
| 234 | mark the WM_SIZE_HINTS size as user specified when appropriate. */ |
| 235 | ((WMShellWidget) wmshell)->wm.size_hints.flags |= USSize; |
| 236 | } |
| 237 | |
| 238 | |
| 239 | /* Can't have static frame locals because of some broken compilers. |
| 240 | Normally, initializing a variable like this doesn't work in emacs, |
| 241 | but it's ok in this file because it must come after lastfile (and |
| 242 | thus have its data not go into text space) because Xt needs to |
| 243 | write to initialized data objects too. |
| 244 | */ |
| 245 | static Boolean first_frame_p = True; |
| 246 | |
| 247 | static void |
| 248 | set_frame_size (ew) |
| 249 | EmacsFrame ew; |
| 250 | { |
| 251 | /* The widget hierarchy is |
| 252 | |
| 253 | argv[0] emacsShell pane Frame-NAME |
| 254 | ApplicationShell EmacsShell Paned EmacsFrame |
| 255 | |
| 256 | We accept geometry specs in this order: |
| 257 | |
| 258 | *Frame-NAME.geometry |
| 259 | *EmacsFrame.geometry |
| 260 | Emacs.geometry |
| 261 | |
| 262 | Other possibilities for widget hierarchies might be |
| 263 | |
| 264 | argv[0] frame pane Frame-NAME |
| 265 | ApplicationShell EmacsShell Paned EmacsFrame |
| 266 | or |
| 267 | argv[0] Frame-NAME pane Frame-NAME |
| 268 | ApplicationShell EmacsShell Paned EmacsFrame |
| 269 | or |
| 270 | argv[0] Frame-NAME pane emacsTextPane |
| 271 | ApplicationShell EmacsFrame Paned EmacsTextPane |
| 272 | |
| 273 | With the current setup, the text-display-area is the part which is |
| 274 | an emacs "frame", since that's the only part managed by emacs proper |
| 275 | (the menubar and the parent of the menubar and all that sort of thing |
| 276 | are managed by lwlib.) |
| 277 | |
| 278 | The EmacsShell widget is simply a replacement for the Shell widget |
| 279 | which is able to deal with using an externally-supplied window instead |
| 280 | of always creating its own. It is not actually emacs specific, and |
| 281 | should possibly have class "Shell" instead of "EmacsShell" to simplify |
| 282 | the resources. |
| 283 | |
| 284 | */ |
| 285 | |
| 286 | /* Geometry of the AppShell */ |
| 287 | int app_flags = 0; |
| 288 | int app_x = 0; |
| 289 | int app_y = 0; |
| 290 | unsigned int app_w = 0; |
| 291 | unsigned int app_h = 0; |
| 292 | |
| 293 | /* Geometry of the EmacsFrame */ |
| 294 | int frame_flags = 0; |
| 295 | int frame_x = 0; |
| 296 | int frame_y = 0; |
| 297 | unsigned int frame_w = 0; |
| 298 | unsigned int frame_h = 0; |
| 299 | |
| 300 | /* Hairily merged geometry */ |
| 301 | int x = 0; |
| 302 | int y = 0; |
| 303 | unsigned int w = ew->emacs_frame.frame->width; |
| 304 | unsigned int h = ew->emacs_frame.frame->height; |
| 305 | int flags = 0; |
| 306 | |
| 307 | Widget wmshell = get_wm_shell ((Widget) ew); |
| 308 | Widget app_shell = XtParent ((Widget) wmshell); |
| 309 | |
| 310 | if (! XtIsSubclass (wmshell, shellWidgetClass)) abort (); |
| 311 | if (! XtIsSubclass (app_shell, shellWidgetClass)) abort (); |
| 312 | |
| 313 | /* We don't need this for the momment. The geometry is computed in |
| 314 | xfns.c. */ |
| 315 | #if 0 |
| 316 | /* If the EmacsFrame doesn't have a geometry but the shell does, |
| 317 | treat that as the geometry of the frame. (Is this bogus? |
| 318 | I'm not sure.) */ |
| 319 | if (ew->emacs_frame.geometry == 0) |
| 320 | XtVaGetValues (wmshell, XtNgeometry, &ew->emacs_frame.geometry, 0); |
| 321 | |
| 322 | /* If the Shell is iconic, then the EmacsFrame is iconic. (Is |
| 323 | this bogus? I'm not sure.) */ |
| 324 | if (!ew->emacs_frame.iconic) |
| 325 | XtVaGetValues (wmshell, XtNiconic, &ew->emacs_frame.iconic, 0); |
| 326 | |
| 327 | |
| 328 | { |
| 329 | char *geom = 0; |
| 330 | XtVaGetValues (app_shell, XtNgeometry, &geom, 0); |
| 331 | if (geom) |
| 332 | app_flags = XParseGeometry (geom, &app_x, &app_y, &app_w, &app_h); |
| 333 | } |
| 334 | |
| 335 | if (ew->emacs_frame.geometry) |
| 336 | frame_flags = XParseGeometry (ew->emacs_frame.geometry, |
| 337 | &frame_x, &frame_y, |
| 338 | &frame_w, &frame_h); |
| 339 | |
| 340 | if (first_frame_p) |
| 341 | { |
| 342 | /* If this is the first frame created: |
| 343 | ==================================== |
| 344 | |
| 345 | - Use the ApplicationShell's size/position, if specified. |
| 346 | (This is "Emacs.geometry", or the "-geometry" command line arg.) |
| 347 | - Else use the EmacsFrame's size/position. |
| 348 | (This is "*Frame-NAME.geometry") |
| 349 | |
| 350 | - If the AppShell is iconic, the frame should be iconic. |
| 351 | |
| 352 | AppShell comes first so that -geometry always applies to the first |
| 353 | frame created, even if there is an "every frame" entry in the |
| 354 | resource database. |
| 355 | */ |
| 356 | if (app_flags & (XValue | YValue)) |
| 357 | { |
| 358 | x = app_x; y = app_y; |
| 359 | flags |= (app_flags & (XValue | YValue | XNegative | YNegative)); |
| 360 | } |
| 361 | else if (frame_flags & (XValue | YValue)) |
| 362 | { |
| 363 | x = frame_x; y = frame_y; |
| 364 | flags |= (frame_flags & (XValue | YValue | XNegative | YNegative)); |
| 365 | } |
| 366 | |
| 367 | if (app_flags & (WidthValue | HeightValue)) |
| 368 | { |
| 369 | w = app_w; h = app_h; |
| 370 | flags |= (app_flags & (WidthValue | HeightValue)); |
| 371 | } |
| 372 | else if (frame_flags & (WidthValue | HeightValue)) |
| 373 | { |
| 374 | w = frame_w; h = frame_h; |
| 375 | flags |= (frame_flags & (WidthValue | HeightValue)); |
| 376 | } |
| 377 | |
| 378 | /* If the AppShell is iconic, then the EmacsFrame is iconic. */ |
| 379 | if (!ew->emacs_frame.iconic) |
| 380 | XtVaGetValues (app_shell, XtNiconic, &ew->emacs_frame.iconic, 0); |
| 381 | |
| 382 | first_frame_p = False; |
| 383 | } |
| 384 | else |
| 385 | { |
| 386 | /* If this is not the first frame created: |
| 387 | ======================================== |
| 388 | |
| 389 | - use the EmacsFrame's size/position if specified |
| 390 | - Otherwise, use the ApplicationShell's size, but not position. |
| 391 | |
| 392 | So that means that one can specify the position of the first frame |
| 393 | with "Emacs.geometry" or `-geometry'; but can only specify the |
| 394 | position of subsequent frames with "*Frame-NAME.geometry". |
| 395 | |
| 396 | AppShell comes second so that -geometry does not apply to subsequent |
| 397 | frames when there is an "every frame" entry in the resource db, |
| 398 | but does apply to the first frame. |
| 399 | */ |
| 400 | if (frame_flags & (XValue | YValue)) |
| 401 | { |
| 402 | x = frame_x; y = frame_y; |
| 403 | flags |= (frame_flags & (XValue | YValue | XNegative | YNegative)); |
| 404 | } |
| 405 | |
| 406 | if (frame_flags & (WidthValue | HeightValue)) |
| 407 | { |
| 408 | w = frame_w; h = frame_h; |
| 409 | flags |= (frame_flags & (WidthValue | HeightValue)); |
| 410 | } |
| 411 | else if (app_flags & (WidthValue | HeightValue)) |
| 412 | { |
| 413 | w = app_w; |
| 414 | h = app_h; |
| 415 | flags |= (app_flags & (WidthValue | HeightValue)); |
| 416 | } |
| 417 | } |
| 418 | #endif /* 0 */ |
| 419 | { |
| 420 | struct frame* frame = ew->emacs_frame.frame; |
| 421 | Dimension pixel_width, pixel_height; |
| 422 | char shell_position [32]; |
| 423 | |
| 424 | /* Take into account the size of the scrollbar */ |
| 425 | frame->display.x->vertical_scroll_bar_extra |
| 426 | = (FRAME_HAS_VERTICAL_SCROLL_BARS (frame) |
| 427 | ? VERTICAL_SCROLL_BAR_PIXEL_WIDTH (frame) |
| 428 | : 0); |
| 429 | |
| 430 | |
| 431 | change_frame_size (frame, h, w, 1, 0); |
| 432 | char_to_pixel_size (ew, w, h, &pixel_width, &pixel_height); |
| 433 | ew->core.width = pixel_width; |
| 434 | ew->core.height = pixel_height; |
| 435 | |
| 436 | #if 0 /* xfns.c takes care of this now. */ |
| 437 | /* If a position was specified, assign it to the shell widget. |
| 438 | (Else WM won't do anything with it.) |
| 439 | */ |
| 440 | if (flags & (XValue | YValue)) |
| 441 | { |
| 442 | /* the tricky things with the sign is to make sure that |
| 443 | -0 is printed -0. */ |
| 444 | int len; |
| 445 | char *tem; |
| 446 | sprintf (shell_position, "=%c%d%c%d", |
| 447 | flags & XNegative ? '-' : '+', x < 0 ? -x : x, |
| 448 | flags & YNegative ? '-' : '+', y < 0 ? -y : y); |
| 449 | len = strlen (shell_position) + 1; |
| 450 | tem = (char *) xmalloc (len); |
| 451 | strncpy (tem, shell_position, len); |
| 452 | XtVaSetValues (wmshell, XtNgeometry, tem, 0); |
| 453 | } |
| 454 | else if (flags & (WidthValue | HeightValue)) |
| 455 | { |
| 456 | int len; |
| 457 | char *tem; |
| 458 | sprintf (shell_position, "=%dx%d", pixel_width, pixel_height); |
| 459 | len = strlen (shell_position) + 1; |
| 460 | tem = (char *) xmalloc (len); |
| 461 | strncpy (tem, shell_position, len); |
| 462 | XtVaSetValues (wmshell, XtNgeometry, tem, 0); |
| 463 | } |
| 464 | |
| 465 | /* If the geometry spec we're using has W/H components, mark the size |
| 466 | in the WM_SIZE_HINTS as user specified. */ |
| 467 | if (flags & (WidthValue | HeightValue)) |
| 468 | mark_shell_size_user_specified (wmshell); |
| 469 | |
| 470 | /* Also assign the iconic status of the frame to the Shell, so that |
| 471 | the WM sees it. */ |
| 472 | XtVaSetValues (wmshell, XtNiconic, ew->emacs_frame.iconic, 0); |
| 473 | #endif /* 0 */ |
| 474 | } |
| 475 | } |
| 476 | |
| 477 | |
| 478 | static void |
| 479 | update_wm_hints (ew) |
| 480 | EmacsFrame ew; |
| 481 | { |
| 482 | Widget wmshell = get_wm_shell ((Widget)ew); |
| 483 | int cw; |
| 484 | int ch; |
| 485 | Dimension rounded_width; |
| 486 | Dimension rounded_height; |
| 487 | int char_width; |
| 488 | int char_height; |
| 489 | int base_width; |
| 490 | int base_height; |
| 491 | int min_rows = 0, min_cols = 0; |
| 492 | |
| 493 | check_frame_size (ew->emacs_frame.frame, &min_rows, &min_cols); |
| 494 | |
| 495 | pixel_to_char_size (ew, ew->core.width, ew->core.height, |
| 496 | &char_width, &char_height); |
| 497 | char_to_pixel_size (ew, char_width, char_height, |
| 498 | &rounded_width, &rounded_height); |
| 499 | get_default_char_pixel_size (ew, &cw, &ch); |
| 500 | |
| 501 | base_width = (wmshell->core.width - ew->core.width |
| 502 | + (rounded_width - (char_width * cw))); |
| 503 | base_height = (wmshell->core.height - ew->core.height |
| 504 | + (rounded_height - (char_height * ch))); |
| 505 | |
| 506 | /* This is kind of sleazy, but I can't see how else to tell it to |
| 507 | make it mark the WM_SIZE_HINTS size as user specified. |
| 508 | */ |
| 509 | /* ((WMShellWidget) wmshell)->wm.size_hints.flags |= USSize;*/ |
| 510 | |
| 511 | XtVaSetValues (wmshell, |
| 512 | XtNbaseWidth, base_width, |
| 513 | XtNbaseHeight, base_height, |
| 514 | XtNwidthInc, cw, |
| 515 | XtNheightInc, ch, |
| 516 | XtNminWidth, base_width + min_cols * cw, |
| 517 | XtNminHeight, base_height + min_rows * ch, |
| 518 | 0); |
| 519 | } |
| 520 | |
| 521 | static void |
| 522 | create_frame_gcs (ew) |
| 523 | EmacsFrame ew; |
| 524 | { |
| 525 | struct frame* s = ew->emacs_frame.frame; |
| 526 | |
| 527 | s->display.x->normal_gc = |
| 528 | XCreateGC (XtDisplay (ew), RootWindowOfScreen (XtScreen (ew)), 0, 0); |
| 529 | s->display.x->reverse_gc = |
| 530 | XCreateGC (XtDisplay (ew), RootWindowOfScreen (XtScreen (ew)), 0, 0); |
| 531 | s->display.x->cursor_gc = |
| 532 | XCreateGC (XtDisplay (ew), RootWindowOfScreen (XtScreen (ew)), 0, 0); |
| 533 | } |
| 534 | |
| 535 | static void |
| 536 | setup_frame_gcs (ew) |
| 537 | EmacsFrame ew; |
| 538 | { |
| 539 | XGCValues gc_values; |
| 540 | struct frame* s = ew->emacs_frame.frame; |
| 541 | Pixmap blank_stipple, blank_tile; |
| 542 | |
| 543 | static char cursor_bits[] = |
| 544 | { |
| 545 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 546 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 547 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 548 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 |
| 549 | }; |
| 550 | |
| 551 | /* We have to initialize all of our GCs to have a stipple/tile, otherwise |
| 552 | XGetGCValues returns uninitialized data when we query the stipple |
| 553 | (instead of None or something sensible) and it makes things hard. |
| 554 | |
| 555 | This should be fixed for real by not querying the GCs but instead having |
| 556 | some GC-based cache instead of the current face-based cache which doesn't |
| 557 | effectively cache all of the GC settings we need to use. |
| 558 | */ |
| 559 | |
| 560 | blank_stipple = |
| 561 | XCreateBitmapFromData (XtDisplay (ew), RootWindowOfScreen (XtScreen (ew)), |
| 562 | cursor_bits, 2, 2); |
| 563 | |
| 564 | /* use fg = 0, bg = 1 below, but it's irrelevant since this pixmap should |
| 565 | never actually get used as a background tile! |
| 566 | */ |
| 567 | blank_tile = |
| 568 | XCreatePixmapFromBitmapData (XtDisplay(ew), |
| 569 | RootWindowOfScreen (XtScreen (ew)), |
| 570 | cursor_bits, 2, 2, 0, 1, ew->core.depth); |
| 571 | |
| 572 | /* Normal video */ |
| 573 | gc_values.font = ew->emacs_frame.font->fid; |
| 574 | gc_values.foreground = ew->emacs_frame.foreground_pixel; |
| 575 | gc_values.background = ew->core.background_pixel; |
| 576 | gc_values.graphics_exposures = False; |
| 577 | gc_values.stipple = blank_stipple; |
| 578 | gc_values.tile = blank_tile; |
| 579 | XChangeGC (XtDisplay (ew), s->display.x->normal_gc, |
| 580 | (GCFont | GCForeground | GCBackground | GCGraphicsExposures |
| 581 | | GCStipple | GCTile), |
| 582 | &gc_values); |
| 583 | |
| 584 | /* Reverse video style. */ |
| 585 | gc_values.font = ew->emacs_frame.font->fid; |
| 586 | gc_values.foreground = ew->core.background_pixel; |
| 587 | gc_values.background = ew->emacs_frame.foreground_pixel; |
| 588 | gc_values.graphics_exposures = False; |
| 589 | gc_values.stipple = blank_stipple; |
| 590 | gc_values.tile = blank_tile; |
| 591 | XChangeGC (XtDisplay (ew), s->display.x->reverse_gc, |
| 592 | (GCFont | GCForeground | GCBackground | GCGraphicsExposures |
| 593 | | GCStipple | GCTile), |
| 594 | &gc_values); |
| 595 | |
| 596 | /* Cursor has to have an empty stipple. */ |
| 597 | gc_values.font = ew->emacs_frame.font->fid; |
| 598 | gc_values.foreground = ew->core.background_pixel; |
| 599 | gc_values.background = ew->emacs_frame.cursor_color; |
| 600 | gc_values.graphics_exposures = False; |
| 601 | gc_values.tile = blank_tile; |
| 602 | gc_values.stipple = |
| 603 | XCreateBitmapFromData (XtDisplay (ew), |
| 604 | RootWindowOfScreen (XtScreen (ew)), |
| 605 | cursor_bits, 16, 16); |
| 606 | XChangeGC (XtDisplay (ew), s->display.x->cursor_gc, |
| 607 | (GCFont | GCForeground | GCBackground | GCGraphicsExposures |
| 608 | | GCStipple | GCTile), |
| 609 | &gc_values); |
| 610 | } |
| 611 | |
| 612 | static void |
| 613 | update_various_frame_slots (ew) |
| 614 | EmacsFrame ew; |
| 615 | { |
| 616 | struct x_display* x = ew->emacs_frame.frame->display.x; |
| 617 | x->pixel_height = ew->core.height; |
| 618 | x->pixel_width = ew->core.width; |
| 619 | x->internal_border_width = ew->emacs_frame.internal_border_width; |
| 620 | |
| 621 | } |
| 622 | |
| 623 | static void |
| 624 | update_from_various_frame_slots (ew) |
| 625 | EmacsFrame ew; |
| 626 | { |
| 627 | struct x_display* x = ew->emacs_frame.frame->display.x; |
| 628 | ew->core.height = x->pixel_height; |
| 629 | ew->core.width = x->pixel_width; |
| 630 | ew->core.background_pixel = x->background_pixel; |
| 631 | ew->emacs_frame.internal_border_width = x->internal_border_width; |
| 632 | ew->emacs_frame.font = x->font; |
| 633 | ew->emacs_frame.foreground_pixel = x->foreground_pixel; |
| 634 | ew->emacs_frame.cursor_color = x->cursor_pixel; |
| 635 | ew->core.border_pixel = x->border_pixel; |
| 636 | } |
| 637 | |
| 638 | static void |
| 639 | EmacsFrameInitialize (request, new, dum1, dum2) |
| 640 | Widget request; |
| 641 | Widget new; |
| 642 | ArgList dum1; |
| 643 | Cardinal *dum2; |
| 644 | { |
| 645 | EmacsFrame ew = (EmacsFrame)new; |
| 646 | |
| 647 | if (!ew->emacs_frame.frame) |
| 648 | { |
| 649 | fprintf (stderr, |
| 650 | "can't create an emacs frame widget without a frame\n"); |
| 651 | exit (1); |
| 652 | } |
| 653 | |
| 654 | #if 0 /* done in xfns.c */ |
| 655 | /* If the "Emacs.EmacsFrame.{default,Face}.{attributeFont,AttributeFont}" |
| 656 | resource is set, then it always overrides "Emacs.EmacsFrame.{font,Font}". |
| 657 | It's unfortunate that we have to do this, but we need to know the font |
| 658 | size for frame-sizing purposes before the faces get initialized. If |
| 659 | the "default.attributeFont" isn't set, then we use the font of this |
| 660 | EmacsFrame itself, defaulting to XtDefaultFont. Up in the lisp code, |
| 661 | the "default" face will use the frame's font if its own is not set, |
| 662 | so everything stays in sync -- it's not possible for the frame's font |
| 663 | and the default face's font to be different. |
| 664 | */ |
| 665 | { |
| 666 | XFontStruct *f = 0; |
| 667 | XtResource face_res; |
| 668 | face_res.resource_name = "attributeFont"; |
| 669 | face_res.resource_class = "AttributeFont"; |
| 670 | face_res.resource_type = XtRFontStruct; |
| 671 | face_res.resource_size = sizeof (XFontStruct *); |
| 672 | face_res.resource_offset = 0; |
| 673 | face_res.default_type = XtRImmediate; |
| 674 | face_res.default_addr = 0; |
| 675 | XtGetSubresources ((Widget) ew, (XtPointer) &f, "default", "Face", |
| 676 | &face_res, 1, NULL, 0); |
| 677 | |
| 678 | if (f) |
| 679 | ew->emacs_frame.font = f; |
| 680 | else if (! ew->emacs_frame.font) |
| 681 | { |
| 682 | fprintf (stderr, "emacs frame widget could not load a font\n"); |
| 683 | exit (1); |
| 684 | } |
| 685 | } |
| 686 | |
| 687 | /* Update the font field in frame */ |
| 688 | ew->emacs_frame.frame->display.x->font = ew->emacs_frame.font; |
| 689 | #endif |
| 690 | |
| 691 | update_from_various_frame_slots (ew); |
| 692 | set_frame_size (ew); |
| 693 | /*create_frame_gcs (ew); |
| 694 | setup_frame_gcs (ew); |
| 695 | update_various_frame_slots (ew); */ |
| 696 | } |
| 697 | |
| 698 | |
| 699 | static void |
| 700 | EmacsFrameRealize (widget, mask, attrs) |
| 701 | Widget widget; |
| 702 | XtValueMask *mask; |
| 703 | XSetWindowAttributes *attrs; |
| 704 | { |
| 705 | EmacsFrame ew = (EmacsFrame)widget; |
| 706 | |
| 707 | attrs->event_mask = (KeyPressMask | ExposureMask | ButtonPressMask | |
| 708 | ButtonReleaseMask | StructureNotifyMask | |
| 709 | FocusChangeMask | PointerMotionHintMask | |
| 710 | PointerMotionMask | LeaveWindowMask | EnterWindowMask | |
| 711 | VisibilityChangeMask | PropertyChangeMask | |
| 712 | StructureNotifyMask | SubstructureNotifyMask | |
| 713 | SubstructureRedirectMask); |
| 714 | *mask |= CWEventMask; |
| 715 | XtCreateWindow (widget, InputOutput, (Visual *)CopyFromParent, *mask, |
| 716 | attrs); |
| 717 | update_wm_hints (ew); |
| 718 | } |
| 719 | |
| 720 | extern void free_frame_faces (/* struct frame * */); |
| 721 | |
| 722 | static void |
| 723 | EmacsFrameDestroy (widget) |
| 724 | Widget widget; |
| 725 | { |
| 726 | EmacsFrame ew = (EmacsFrame) widget; |
| 727 | struct frame* s = ew->emacs_frame.frame; |
| 728 | |
| 729 | if (! s) abort (); |
| 730 | if (! s->display.x) abort (); |
| 731 | if (! s->display.x->normal_gc) abort (); |
| 732 | |
| 733 | /* this would be called from Fdelete_frame() but it needs to free some |
| 734 | stuff after the widget has been finalized but before the widget has |
| 735 | been freed. */ |
| 736 | free_frame_faces (s); |
| 737 | |
| 738 | /* need to be careful that the face-freeing code doesn't free these too */ |
| 739 | XFreeGC (XtDisplay (widget), s->display.x->normal_gc); |
| 740 | XFreeGC (XtDisplay (widget), s->display.x->reverse_gc); |
| 741 | XFreeGC (XtDisplay (widget), s->display.x->cursor_gc); |
| 742 | } |
| 743 | |
| 744 | void |
| 745 | EmacsFrameResize (widget) |
| 746 | Widget widget; |
| 747 | { |
| 748 | EmacsFrame ew = (EmacsFrame)widget; |
| 749 | struct frame *f = ew->emacs_frame.frame; |
| 750 | int columns; |
| 751 | int rows; |
| 752 | |
| 753 | pixel_to_char_size (ew, ew->core.width, ew->core.height, &columns, &rows); |
| 754 | change_frame_size (f, rows, columns, 1, 0); |
| 755 | update_wm_hints (ew); |
| 756 | update_various_frame_slots (ew); |
| 757 | } |
| 758 | |
| 759 | static Boolean |
| 760 | EmacsFrameSetValues (cur_widget, req_widget, new_widget, dum1, dum2) |
| 761 | Widget cur_widget; |
| 762 | Widget req_widget; |
| 763 | Widget new_widget; |
| 764 | ArgList dum1; |
| 765 | Cardinal *dum2; |
| 766 | { |
| 767 | EmacsFrame cur = (EmacsFrame)cur_widget; |
| 768 | EmacsFrame new = (EmacsFrame)new_widget; |
| 769 | |
| 770 | Boolean needs_a_refresh = False; |
| 771 | Boolean has_to_recompute_size; |
| 772 | Boolean has_to_recompute_gcs; |
| 773 | Boolean has_to_update_hints; |
| 774 | |
| 775 | int char_width, char_height; |
| 776 | Dimension pixel_width; |
| 777 | Dimension pixel_height; |
| 778 | |
| 779 | has_to_recompute_gcs = (cur->emacs_frame.font != new->emacs_frame.font |
| 780 | || (cur->emacs_frame.foreground_pixel |
| 781 | != new->emacs_frame.foreground_pixel) |
| 782 | || (cur->core.background_pixel |
| 783 | != new->core.background_pixel) |
| 784 | ); |
| 785 | |
| 786 | has_to_recompute_size = (cur->emacs_frame.font != new->emacs_frame.font |
| 787 | && cur->core.width == new->core.width |
| 788 | && cur->core.height == new->core.height); |
| 789 | |
| 790 | has_to_update_hints = (cur->emacs_frame.font != new->emacs_frame.font); |
| 791 | |
| 792 | if (has_to_recompute_gcs) |
| 793 | { |
| 794 | setup_frame_gcs (new); |
| 795 | needs_a_refresh = True; |
| 796 | } |
| 797 | |
| 798 | if (has_to_recompute_size) |
| 799 | { |
| 800 | pixel_width = new->core.width; |
| 801 | pixel_height = new->core.height; |
| 802 | pixel_to_char_size (new, pixel_width, pixel_height, &char_width, |
| 803 | &char_height); |
| 804 | char_to_pixel_size (new, char_width, char_height, &pixel_width, |
| 805 | &pixel_height); |
| 806 | new->core.width = pixel_width; |
| 807 | new->core.height = pixel_height; |
| 808 | |
| 809 | change_frame_size (new->emacs_frame.frame, char_height, char_width, |
| 810 | 1, 0); |
| 811 | needs_a_refresh = True; |
| 812 | } |
| 813 | |
| 814 | if (has_to_update_hints) |
| 815 | update_wm_hints (new); |
| 816 | |
| 817 | update_various_frame_slots (new); |
| 818 | |
| 819 | /* #### This doesn't work, I haven't been able to find ANY kludge that |
| 820 | will let (x-create-frame '((iconic . t))) work. It seems that changes |
| 821 | to wm_shell's iconic slot have no effect after it has been realized, |
| 822 | and calling XIconifyWindow doesn't work either (even thought the window |
| 823 | has been created.) Perhaps there is some property we could smash |
| 824 | directly, but I'm sick of this for now. Xt is a steaming pile of shit! |
| 825 | */ |
| 826 | if (cur->emacs_frame.iconic != new->emacs_frame.iconic) |
| 827 | { |
| 828 | Widget wmshell = get_wm_shell ((Widget) cur); |
| 829 | XtVaSetValues (wmshell, XtNiconic, new->emacs_frame.iconic, 0); |
| 830 | } |
| 831 | |
| 832 | return needs_a_refresh; |
| 833 | } |
| 834 | |
| 835 | static XtGeometryResult |
| 836 | EmacsFrameQueryGeometry (widget, request, result) |
| 837 | Widget widget; |
| 838 | XtWidgetGeometry* request; |
| 839 | XtWidgetGeometry* result; |
| 840 | { |
| 841 | EmacsFrame ew = (EmacsFrame)widget; |
| 842 | |
| 843 | int mask = request->request_mode; |
| 844 | Dimension ok_width, ok_height; |
| 845 | |
| 846 | if (mask & (CWWidth | CWHeight)) |
| 847 | { |
| 848 | round_size_to_char (ew, |
| 849 | (mask & CWWidth) ? request->width : ew->core.width, |
| 850 | ((mask & CWHeight) ? request->height |
| 851 | : ew->core.height), |
| 852 | &ok_width, &ok_height); |
| 853 | if ((mask & CWWidth) && (ok_width != request->width)) |
| 854 | { |
| 855 | result->request_mode |= CWWidth; |
| 856 | result->width = ok_width; |
| 857 | } |
| 858 | if ((mask & CWHeight) && (ok_height != request->height)) |
| 859 | { |
| 860 | result->request_mode |= CWHeight; |
| 861 | result->height = ok_height; |
| 862 | } |
| 863 | } |
| 864 | return result->request_mode ? XtGeometryAlmost : XtGeometryYes; |
| 865 | } |
| 866 | |
| 867 | /* Special entrypoints */ |
| 868 | void |
| 869 | EmacsFrameSetCharSize (widget, columns, rows) |
| 870 | Widget widget; |
| 871 | int columns; |
| 872 | int rows; |
| 873 | { |
| 874 | EmacsFrame ew = (EmacsFrame) widget; |
| 875 | Dimension pixel_width, pixel_height, granted_width, granted_height; |
| 876 | XtGeometryResult result; |
| 877 | struct frame *f = ew->emacs_frame.frame; |
| 878 | Arg al[2]; |
| 879 | int ac = 0; |
| 880 | |
| 881 | if (columns < 3) columns = 3; /* no way buddy */ |
| 882 | if (rows < 3) rows = 3; |
| 883 | |
| 884 | check_frame_size (f, &rows, &columns); |
| 885 | f->display.x->vertical_scroll_bar_extra |
| 886 | = (FRAME_HAS_VERTICAL_SCROLL_BARS (f) |
| 887 | ? VERTICAL_SCROLL_BAR_PIXEL_WIDTH (f) |
| 888 | : 0); |
| 889 | char_to_pixel_size (ew, columns, rows, &pixel_width, &pixel_height); |
| 890 | |
| 891 | /* Recompute the entire geometry management. */ |
| 892 | if (ew->core.width != pixel_width || ew->core.height != pixel_height) |
| 893 | { |
| 894 | int hdelta = pixel_height - ew->core.height; |
| 895 | int column_widget_height = f->display.x->column_widget->core.height; |
| 896 | XawPanedSetRefigureMode (f->display.x->column_widget, False); |
| 897 | |
| 898 | ac = 0; |
| 899 | XtSetArg (al[ac], XtNheight, pixel_height); ac++; |
| 900 | XtSetArg (al[ac], XtNwidth, pixel_width); ac++; |
| 901 | XtSetValues ((Widget) ew, al, ac); |
| 902 | |
| 903 | ac = 0; |
| 904 | XtSetArg (al[ac], XtNheight, column_widget_height + hdelta); ac++; |
| 905 | XtSetArg (al[ac], XtNwidth, pixel_width); ac++; |
| 906 | XtSetValues (f->display.x->column_widget, al, ac); |
| 907 | |
| 908 | XawPanedSetRefigureMode (f->display.x->column_widget, True); |
| 909 | } |
| 910 | |
| 911 | /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to |
| 912 | receive in the ConfigureNotify event; if we get what we asked |
| 913 | for, then the event won't cause the screen to become garbaged, so |
| 914 | we have to make sure to do it here. */ |
| 915 | SET_FRAME_GARBAGED (f); |
| 916 | } |