From 30f41c02aec763d32e62351452da9ef582bc3472 Mon Sep 17 00:00:00 2001 From: 3gg <3gg@shellblade.net> Date: Fri, 6 Mar 2026 13:30:59 -0800 Subject: Move contrib libraries to contrib repo --- .../SDL-3.2.8/src/video/x11/SDL_x11messagebox.c | 887 --------------------- 1 file changed, 887 deletions(-) delete mode 100644 contrib/SDL-3.2.8/src/video/x11/SDL_x11messagebox.c (limited to 'contrib/SDL-3.2.8/src/video/x11/SDL_x11messagebox.c') diff --git a/contrib/SDL-3.2.8/src/video/x11/SDL_x11messagebox.c b/contrib/SDL-3.2.8/src/video/x11/SDL_x11messagebox.c deleted file mode 100644 index 8aa1c6a..0000000 --- a/contrib/SDL-3.2.8/src/video/x11/SDL_x11messagebox.c +++ /dev/null @@ -1,887 +0,0 @@ -/* - Simple DirectMedia Layer - Copyright (C) 1997-2025 Sam Lantinga - - This software is provided 'as-is', without any express or implied - warranty. In no event will the authors be held liable for any damages - arising from the use of this software. - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute it - freely, subject to the following restrictions: - - 1. The origin of this software must not be misrepresented; you must not - claim that you wrote the original software. If you use this software - in a product, an acknowledgment in the product documentation would be - appreciated but is not required. - 2. Altered source versions must be plainly marked as such, and must not be - misrepresented as being the original software. - 3. This notice may not be removed or altered from any source distribution. -*/ - -#include "SDL_internal.h" - -#ifdef SDL_VIDEO_DRIVER_X11 - -#include "SDL_x11video.h" -#include "SDL_x11dyn.h" -#include "SDL_x11messagebox.h" - -#include -#include - -#define SDL_FORK_MESSAGEBOX 1 -#define SDL_SET_LOCALE 1 - -#if SDL_FORK_MESSAGEBOX -#include -#include -#include -#include -#endif - -#define MAX_BUTTONS 8 // Maximum number of buttons supported -#define MIN_BUTTON_WIDTH 64 // Minimum button width -#define MIN_DIALOG_WIDTH 200 // Minimum dialog width -#define MIN_DIALOG_HEIGHT 100 // Minimum dialog height - -static const char g_MessageBoxFontLatin1[] = - "-*-*-medium-r-normal--0-120-*-*-p-0-iso8859-1"; - -static const char* g_MessageBoxFont[] = { - "-*-*-medium-r-normal--*-120-*-*-*-*-iso10646-1", // explicitly unicode (iso10646-1) - "-*-*-medium-r-*--*-120-*-*-*-*-iso10646-1", // explicitly unicode (iso10646-1) - "-misc-*-*-*-*--*-*-*-*-*-*-iso10646-1", // misc unicode (fix for some systems) - "-*-*-*-*-*--*-*-*-*-*-*-iso10646-1", // just give me anything Unicode. - "-*-*-medium-r-normal--*-120-*-*-*-*-iso8859-1", // explicitly latin1, in case low-ASCII works out. - "-*-*-medium-r-*--*-120-*-*-*-*-iso8859-1", // explicitly latin1, in case low-ASCII works out. - "-misc-*-*-*-*--*-*-*-*-*-*-iso8859-1", // misc latin1 (fix for some systems) - "-*-*-*-*-*--*-*-*-*-*-*-iso8859-1", // just give me anything latin1. - NULL -}; - -static const SDL_MessageBoxColor g_default_colors[SDL_MESSAGEBOX_COLOR_COUNT] = { - { 56, 54, 53 }, // SDL_MESSAGEBOX_COLOR_BACKGROUND, - { 209, 207, 205 }, // SDL_MESSAGEBOX_COLOR_TEXT, - { 140, 135, 129 }, // SDL_MESSAGEBOX_COLOR_BUTTON_BORDER, - { 105, 102, 99 }, // SDL_MESSAGEBOX_COLOR_BUTTON_BACKGROUND, - { 205, 202, 53 }, // SDL_MESSAGEBOX_COLOR_BUTTON_SELECTED, -}; - -#define SDL_MAKE_RGB(_r, _g, _b) (((Uint32)(_r) << 16) | \ - ((Uint32)(_g) << 8) | \ - ((Uint32)(_b))) - -typedef struct SDL_MessageBoxButtonDataX11 -{ - int x, y; // Text position - int length; // Text length - int text_width; // Text width - - SDL_Rect rect; // Rectangle for entire button - - const SDL_MessageBoxButtonData *buttondata; // Button data from caller -} SDL_MessageBoxButtonDataX11; - -typedef struct TextLineData -{ - int width; // Width of this text line - int length; // String length of this text line - const char *text; // Text for this line -} TextLineData; - -typedef struct SDL_MessageBoxDataX11 -{ - Display *display; - int screen; - Window window; -#ifdef SDL_VIDEO_DRIVER_X11_XDBE - XdbeBackBuffer buf; - bool xdbe; // Whether Xdbe is present or not -#endif - long event_mask; - Atom wm_protocols; - Atom wm_delete_message; - - int dialog_width; // Dialog box width. - int dialog_height; // Dialog box height. - - XFontSet font_set; // for UTF-8 systems - XFontStruct *font_struct; // Latin1 (ASCII) fallback. - int xtext, ytext; // Text position to start drawing at. - int numlines; // Count of Text lines. - int text_height; // Height for text lines. - TextLineData *linedata; - - int *pbuttonid; // Pointer to user return buttonID value. - - int button_press_index; // Index into buttondata/buttonpos for button which is pressed (or -1). - int mouse_over_index; // Index into buttondata/buttonpos for button mouse is over (or -1). - - int numbuttons; // Count of buttons. - const SDL_MessageBoxButtonData *buttondata; - SDL_MessageBoxButtonDataX11 buttonpos[MAX_BUTTONS]; - - Uint32 color[SDL_MESSAGEBOX_COLOR_COUNT]; - - const SDL_MessageBoxData *messageboxdata; -} SDL_MessageBoxDataX11; - -// Maximum helper for ints. -static SDL_INLINE int IntMax(int a, int b) -{ - return (a > b) ? a : b; -} - -// Return width and height for a string. -static void GetTextWidthHeight(SDL_MessageBoxDataX11 *data, const char *str, int nbytes, int *pwidth, int *pheight) -{ -#ifdef X_HAVE_UTF8_STRING - if (SDL_X11_HAVE_UTF8) { - XRectangle overall_ink, overall_logical; - X11_Xutf8TextExtents(data->font_set, str, nbytes, &overall_ink, &overall_logical); - *pwidth = overall_logical.width; - *pheight = overall_logical.height; - } else -#endif - { - XCharStruct text_structure; - int font_direction, font_ascent, font_descent; - X11_XTextExtents(data->font_struct, str, nbytes, - &font_direction, &font_ascent, &font_descent, - &text_structure); - *pwidth = text_structure.width; - *pheight = text_structure.ascent + text_structure.descent; - } -} - -// Return index of button if position x,y is contained therein. -static int GetHitButtonIndex(SDL_MessageBoxDataX11 *data, int x, int y) -{ - int i; - int numbuttons = data->numbuttons; - SDL_MessageBoxButtonDataX11 *buttonpos = data->buttonpos; - - for (i = 0; i < numbuttons; i++) { - SDL_Rect *rect = &buttonpos[i].rect; - - if ((x >= rect->x) && - (x <= (rect->x + rect->w)) && - (y >= rect->y) && - (y <= (rect->y + rect->h))) { - return i; - } - } - - return -1; -} - -// Initialize SDL_MessageBoxData structure and Display, etc. -static bool X11_MessageBoxInit(SDL_MessageBoxDataX11 *data, const SDL_MessageBoxData *messageboxdata, int *pbuttonid) -{ - int i; - int numbuttons = messageboxdata->numbuttons; - const SDL_MessageBoxButtonData *buttondata = messageboxdata->buttons; - const SDL_MessageBoxColor *colorhints; - - if (numbuttons > MAX_BUTTONS) { - return SDL_SetError("Too many buttons (%d max allowed)", MAX_BUTTONS); - } - - data->dialog_width = MIN_DIALOG_WIDTH; - data->dialog_height = MIN_DIALOG_HEIGHT; - data->messageboxdata = messageboxdata; - data->buttondata = buttondata; - data->numbuttons = numbuttons; - data->pbuttonid = pbuttonid; - - data->display = X11_XOpenDisplay(NULL); - if (!data->display) { - return SDL_SetError("Couldn't open X11 display"); - } - -#ifdef X_HAVE_UTF8_STRING - if (SDL_X11_HAVE_UTF8) { - char **missing = NULL; - int num_missing = 0; - int i_font; - for (i_font = 0; g_MessageBoxFont[i_font]; ++i_font) { - data->font_set = X11_XCreateFontSet(data->display, g_MessageBoxFont[i_font], - &missing, &num_missing, NULL); - if (missing) { - X11_XFreeStringList(missing); - } - if (data->font_set) { - break; - } - } - if (!data->font_set) { - return SDL_SetError("Couldn't load x11 message box font"); - } - } else -#endif - { - data->font_struct = X11_XLoadQueryFont(data->display, g_MessageBoxFontLatin1); - if (!data->font_struct) { - return SDL_SetError("Couldn't load font %s", g_MessageBoxFontLatin1); - } - } - - if (messageboxdata->colorScheme) { - colorhints = messageboxdata->colorScheme->colors; - } else { - colorhints = g_default_colors; - } - - // Convert our SDL_MessageBoxColor r,g,b values to packed RGB format. - for (i = 0; i < SDL_MESSAGEBOX_COLOR_COUNT; i++) { - data->color[i] = SDL_MAKE_RGB(colorhints[i].r, colorhints[i].g, colorhints[i].b); - } - - return true; -} - -static int CountLinesOfText(const char *text) -{ - int result = 0; - while (text && *text) { - const char *lf = SDL_strchr(text, '\n'); - result++; // even without an endline, this counts as a line. - text = lf ? lf + 1 : NULL; - } - return result; -} - -// Calculate and initialize text and button locations. -static bool X11_MessageBoxInitPositions(SDL_MessageBoxDataX11 *data) -{ - int i; - int ybuttons; - int text_width_max = 0; - int button_text_height = 0; - int button_width = MIN_BUTTON_WIDTH; - const SDL_MessageBoxData *messageboxdata = data->messageboxdata; - - // Go over text and break linefeeds into separate lines. - if (messageboxdata && messageboxdata->message[0]) { - const char *text = messageboxdata->message; - const int linecount = CountLinesOfText(text); - TextLineData *plinedata = (TextLineData *)SDL_malloc(sizeof(TextLineData) * linecount); - - if (!plinedata) { - return false; - } - - data->linedata = plinedata; - data->numlines = linecount; - - for (i = 0; i < linecount; i++, plinedata++) { - const char *lf = SDL_strchr(text, '\n'); - const int length = lf ? (lf - text) : SDL_strlen(text); - int height; - - plinedata->text = text; - - GetTextWidthHeight(data, text, length, &plinedata->width, &height); - - // Text and widths are the largest we've ever seen. - data->text_height = IntMax(data->text_height, height); - text_width_max = IntMax(text_width_max, plinedata->width); - - plinedata->length = length; - if (lf && (lf > text) && (lf[-1] == '\r')) { - plinedata->length--; - } - - text += length + 1; - - // Break if there are no more linefeeds. - if (!lf) { - break; - } - } - - // Bump up the text height slightly. - data->text_height += 2; - } - - // Loop through all buttons and calculate the button widths and height. - for (i = 0; i < data->numbuttons; i++) { - int height; - - data->buttonpos[i].buttondata = &data->buttondata[i]; - data->buttonpos[i].length = SDL_strlen(data->buttondata[i].text); - - GetTextWidthHeight(data, data->buttondata[i].text, SDL_strlen(data->buttondata[i].text), - &data->buttonpos[i].text_width, &height); - - button_width = IntMax(button_width, data->buttonpos[i].text_width); - button_text_height = IntMax(button_text_height, height); - } - - if (data->numlines) { - // x,y for this line of text. - data->xtext = data->text_height; - data->ytext = data->text_height + data->text_height; - - // Bump button y down to bottom of text. - ybuttons = 3 * data->ytext / 2 + (data->numlines - 1) * data->text_height; - - // Bump the dialog box width and height up if needed. - data->dialog_width = IntMax(data->dialog_width, 2 * data->xtext + text_width_max); - data->dialog_height = IntMax(data->dialog_height, ybuttons); - } else { - // Button y starts at height of button text. - ybuttons = button_text_height; - } - - if (data->numbuttons) { - int x, y; - int width_of_buttons; - int button_spacing = button_text_height; - int button_height = 2 * button_text_height; - - // Bump button width up a bit. - button_width += button_text_height; - - // Get width of all buttons lined up. - width_of_buttons = data->numbuttons * button_width + (data->numbuttons - 1) * button_spacing; - - // Bump up dialog width and height if buttons are wider than text. - data->dialog_width = IntMax(data->dialog_width, width_of_buttons + 2 * button_spacing); - data->dialog_height = IntMax(data->dialog_height, ybuttons + 2 * button_height); - - // Location for first button. - if (messageboxdata->flags & SDL_MESSAGEBOX_BUTTONS_RIGHT_TO_LEFT) { - x = data->dialog_width - (data->dialog_width - width_of_buttons) / 2 - (button_width + button_spacing); - } else { - x = (data->dialog_width - width_of_buttons) / 2; - } - y = ybuttons + (data->dialog_height - ybuttons - button_height) / 2; - - for (i = 0; i < data->numbuttons; i++) { - // Button coordinates. - data->buttonpos[i].rect.x = x; - data->buttonpos[i].rect.y = y; - data->buttonpos[i].rect.w = button_width; - data->buttonpos[i].rect.h = button_height; - - // Button text coordinates. - data->buttonpos[i].x = x + (button_width - data->buttonpos[i].text_width) / 2; - data->buttonpos[i].y = y + (button_height - button_text_height - 1) / 2 + button_text_height; - - // Scoot over for next button. - if (messageboxdata->flags & SDL_MESSAGEBOX_BUTTONS_RIGHT_TO_LEFT) { - x -= button_width + button_spacing; - } else { - x += button_width + button_spacing; - } - } - } - - return true; -} - -// Free SDL_MessageBoxData data. -static void X11_MessageBoxShutdown(SDL_MessageBoxDataX11 *data) -{ - if (data->font_set) { - X11_XFreeFontSet(data->display, data->font_set); - data->font_set = NULL; - } - - if (data->font_struct) { - X11_XFreeFont(data->display, data->font_struct); - data->font_struct = NULL; - } - -#ifdef SDL_VIDEO_DRIVER_X11_XDBE - if (SDL_X11_HAVE_XDBE && data->xdbe) { - X11_XdbeDeallocateBackBufferName(data->display, data->buf); - } -#endif - - if (data->display) { - if (data->window != None) { - X11_XWithdrawWindow(data->display, data->window, data->screen); - X11_XDestroyWindow(data->display, data->window); - data->window = None; - } - - X11_XCloseDisplay(data->display); - data->display = NULL; - } - - SDL_free(data->linedata); -} - -// Create and set up our X11 dialog box indow. -static bool X11_MessageBoxCreateWindow(SDL_MessageBoxDataX11 *data) -{ - int x, y; - XSizeHints *sizehints; - XSetWindowAttributes wnd_attr; - Atom _NET_WM_WINDOW_TYPE, _NET_WM_WINDOW_TYPE_DIALOG; - Display *display = data->display; - SDL_WindowData *windowdata = NULL; - const SDL_MessageBoxData *messageboxdata = data->messageboxdata; - - if (messageboxdata->window) { - SDL_DisplayData *displaydata = SDL_GetDisplayDriverDataForWindow(messageboxdata->window); - windowdata = messageboxdata->window->internal; - data->screen = displaydata->screen; - } else { - data->screen = DefaultScreen(display); - } - - data->event_mask = ExposureMask | - ButtonPressMask | ButtonReleaseMask | KeyPressMask | KeyReleaseMask | - StructureNotifyMask | FocusChangeMask | PointerMotionMask; - wnd_attr.event_mask = data->event_mask; - - data->window = X11_XCreateWindow( - display, RootWindow(display, data->screen), - 0, 0, - data->dialog_width, data->dialog_height, - 0, CopyFromParent, InputOutput, CopyFromParent, - CWEventMask, &wnd_attr); - if (data->window == None) { - return SDL_SetError("Couldn't create X window"); - } - - if (windowdata) { - Atom _NET_WM_STATE = X11_XInternAtom(display, "_NET_WM_STATE", False); - Atom stateatoms[16]; - size_t statecount = 0; - // Set some message-boxy window states when attached to a parent window... - // we skip the taskbar since this will pop to the front when the parent window is clicked in the taskbar, etc - stateatoms[statecount++] = X11_XInternAtom(display, "_NET_WM_STATE_SKIP_TASKBAR", False); - stateatoms[statecount++] = X11_XInternAtom(display, "_NET_WM_STATE_SKIP_PAGER", False); - stateatoms[statecount++] = X11_XInternAtom(display, "_NET_WM_STATE_FOCUSED", False); - stateatoms[statecount++] = X11_XInternAtom(display, "_NET_WM_STATE_MODAL", False); - SDL_assert(statecount <= SDL_arraysize(stateatoms)); - X11_XChangeProperty(display, data->window, _NET_WM_STATE, XA_ATOM, 32, - PropModeReplace, (unsigned char *)stateatoms, statecount); - - // http://tronche.com/gui/x/icccm/sec-4.html#WM_TRANSIENT_FOR - X11_XSetTransientForHint(display, data->window, windowdata->xwindow); - } - - SDL_X11_SetWindowTitle(display, data->window, (char *)messageboxdata->title); - - // Let the window manager know this is a dialog box - _NET_WM_WINDOW_TYPE = X11_XInternAtom(display, "_NET_WM_WINDOW_TYPE", False); - _NET_WM_WINDOW_TYPE_DIALOG = X11_XInternAtom(display, "_NET_WM_WINDOW_TYPE_DIALOG", False); - X11_XChangeProperty(display, data->window, _NET_WM_WINDOW_TYPE, XA_ATOM, 32, - PropModeReplace, - (unsigned char *)&_NET_WM_WINDOW_TYPE_DIALOG, 1); - - // Allow the window to be deleted by the window manager - data->wm_delete_message = X11_XInternAtom(display, "WM_DELETE_WINDOW", False); - X11_XSetWMProtocols(display, data->window, &data->wm_delete_message, 1); - - data->wm_protocols = X11_XInternAtom(display, "WM_PROTOCOLS", False); - - if (windowdata) { - XWindowAttributes attrib; - Window dummy; - - X11_XGetWindowAttributes(display, windowdata->xwindow, &attrib); - x = attrib.x + (attrib.width - data->dialog_width) / 2; - y = attrib.y + (attrib.height - data->dialog_height) / 3; - X11_XTranslateCoordinates(display, windowdata->xwindow, RootWindow(display, data->screen), x, y, &x, &y, &dummy); - } else { - const SDL_VideoDevice *dev = SDL_GetVideoDevice(); - if (dev && dev->displays && dev->num_displays > 0) { - const SDL_VideoDisplay *dpy = dev->displays[0]; - const SDL_DisplayData *dpydata = dpy->internal; - x = dpydata->x + ((dpy->current_mode->w - data->dialog_width) / 2); - y = dpydata->y + ((dpy->current_mode->h - data->dialog_height) / 3); - } else { // oh well. This will misposition on a multi-head setup. Init first next time. - x = (DisplayWidth(display, data->screen) - data->dialog_width) / 2; - y = (DisplayHeight(display, data->screen) - data->dialog_height) / 3; - } - } - X11_XMoveWindow(display, data->window, x, y); - - sizehints = X11_XAllocSizeHints(); - if (sizehints) { - sizehints->flags = USPosition | USSize | PMaxSize | PMinSize; - sizehints->x = x; - sizehints->y = y; - sizehints->width = data->dialog_width; - sizehints->height = data->dialog_height; - - sizehints->min_width = sizehints->max_width = data->dialog_width; - sizehints->min_height = sizehints->max_height = data->dialog_height; - - X11_XSetWMNormalHints(display, data->window, sizehints); - - X11_XFree(sizehints); - } - - X11_XMapRaised(display, data->window); - -#ifdef SDL_VIDEO_DRIVER_X11_XDBE - // Initialise a back buffer for double buffering - if (SDL_X11_HAVE_XDBE) { - int xdbe_major, xdbe_minor; - if (X11_XdbeQueryExtension(display, &xdbe_major, &xdbe_minor) != 0) { - data->xdbe = true; - data->buf = X11_XdbeAllocateBackBufferName(display, data->window, XdbeUndefined); - } else { - data->xdbe = false; - } - } -#endif - - return true; -} - -// Draw our message box. -static void X11_MessageBoxDraw(SDL_MessageBoxDataX11 *data, GC ctx) -{ - int i; - Drawable window = data->window; - Display *display = data->display; - -#ifdef SDL_VIDEO_DRIVER_X11_XDBE - if (SDL_X11_HAVE_XDBE && data->xdbe) { - window = data->buf; - X11_XdbeBeginIdiom(data->display); - } -#endif - - X11_XSetForeground(display, ctx, data->color[SDL_MESSAGEBOX_COLOR_BACKGROUND]); - X11_XFillRectangle(display, window, ctx, 0, 0, data->dialog_width, data->dialog_height); - - X11_XSetForeground(display, ctx, data->color[SDL_MESSAGEBOX_COLOR_TEXT]); - for (i = 0; i < data->numlines; i++) { - TextLineData *plinedata = &data->linedata[i]; - -#ifdef X_HAVE_UTF8_STRING - if (SDL_X11_HAVE_UTF8) { - X11_Xutf8DrawString(display, window, data->font_set, ctx, - data->xtext, data->ytext + i * data->text_height, - plinedata->text, plinedata->length); - } else -#endif - { - X11_XDrawString(display, window, ctx, - data->xtext, data->ytext + i * data->text_height, - plinedata->text, plinedata->length); - } - } - - for (i = 0; i < data->numbuttons; i++) { - SDL_MessageBoxButtonDataX11 *buttondatax11 = &data->buttonpos[i]; - const SDL_MessageBoxButtonData *buttondata = buttondatax11->buttondata; - int border = (buttondata->flags & SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT) ? 2 : 0; - int offset = ((data->mouse_over_index == i) && (data->button_press_index == data->mouse_over_index)) ? 1 : 0; - - X11_XSetForeground(display, ctx, data->color[SDL_MESSAGEBOX_COLOR_BUTTON_BACKGROUND]); - X11_XFillRectangle(display, window, ctx, - buttondatax11->rect.x - border, buttondatax11->rect.y - border, - buttondatax11->rect.w + 2 * border, buttondatax11->rect.h + 2 * border); - - X11_XSetForeground(display, ctx, data->color[SDL_MESSAGEBOX_COLOR_BUTTON_BORDER]); - X11_XDrawRectangle(display, window, ctx, - buttondatax11->rect.x, buttondatax11->rect.y, - buttondatax11->rect.w, buttondatax11->rect.h); - - X11_XSetForeground(display, ctx, (data->mouse_over_index == i) ? data->color[SDL_MESSAGEBOX_COLOR_BUTTON_SELECTED] : data->color[SDL_MESSAGEBOX_COLOR_TEXT]); - -#ifdef X_HAVE_UTF8_STRING - if (SDL_X11_HAVE_UTF8) { - X11_Xutf8DrawString(display, window, data->font_set, ctx, - buttondatax11->x + offset, - buttondatax11->y + offset, - buttondata->text, buttondatax11->length); - } else -#endif - { - X11_XDrawString(display, window, ctx, - buttondatax11->x + offset, buttondatax11->y + offset, - buttondata->text, buttondatax11->length); - } - } - -#ifdef SDL_VIDEO_DRIVER_X11_XDBE - if (SDL_X11_HAVE_XDBE && data->xdbe) { - XdbeSwapInfo swap_info; - swap_info.swap_window = data->window; - swap_info.swap_action = XdbeUndefined; - X11_XdbeSwapBuffers(data->display, &swap_info, 1); - X11_XdbeEndIdiom(data->display); - } -#endif -} - -// NOLINTNEXTLINE(readability-non-const-parameter): cannot make XPointer a const pointer due to typedef -static Bool X11_MessageBoxEventTest(Display *display, XEvent *event, XPointer arg) -{ - const SDL_MessageBoxDataX11 *data = (const SDL_MessageBoxDataX11 *)arg; - return ((event->xany.display == data->display) && (event->xany.window == data->window)) ? True : False; -} - -// Loop and handle message box event messages until something kills it. -static bool X11_MessageBoxLoop(SDL_MessageBoxDataX11 *data) -{ - GC ctx; - XGCValues ctx_vals; - bool close_dialog = false; - bool has_focus = true; - KeySym last_key_pressed = XK_VoidSymbol; - unsigned long gcflags = GCForeground | GCBackground; -#ifdef X_HAVE_UTF8_STRING - const int have_utf8 = SDL_X11_HAVE_UTF8; -#else - const int have_utf8 = 0; -#endif - - SDL_zero(ctx_vals); - ctx_vals.foreground = data->color[SDL_MESSAGEBOX_COLOR_BACKGROUND]; - ctx_vals.background = data->color[SDL_MESSAGEBOX_COLOR_BACKGROUND]; - - if (!have_utf8) { - gcflags |= GCFont; - ctx_vals.font = data->font_struct->fid; - } - - ctx = X11_XCreateGC(data->display, data->window, gcflags, &ctx_vals); - if (ctx == None) { - return SDL_SetError("Couldn't create graphics context"); - } - - data->button_press_index = -1; // Reset what button is currently depressed. - data->mouse_over_index = -1; // Reset what button the mouse is over. - - while (!close_dialog) { - XEvent e; - bool draw = true; - - // can't use XWindowEvent() because it can't handle ClientMessage events. - // can't use XNextEvent() because we only want events for this window. - X11_XIfEvent(data->display, &e, X11_MessageBoxEventTest, (XPointer)data); - - /* If X11_XFilterEvent returns True, then some input method has filtered the - event, and the client should discard the event. */ - if ((e.type != Expose) && X11_XFilterEvent(&e, None)) { - continue; - } - - switch (e.type) { - case Expose: - if (e.xexpose.count > 0) { - draw = false; - } - break; - - case FocusIn: - // Got focus. - has_focus = true; - break; - - case FocusOut: - // lost focus. Reset button and mouse info. - has_focus = false; - data->button_press_index = -1; - data->mouse_over_index = -1; - break; - - case MotionNotify: - if (has_focus) { - // Mouse moved... - const int previndex = data->mouse_over_index; - data->mouse_over_index = GetHitButtonIndex(data, e.xbutton.x, e.xbutton.y); - if (data->mouse_over_index == previndex) { - draw = false; - } - } - break; - - case ClientMessage: - if (e.xclient.message_type == data->wm_protocols && - e.xclient.format == 32 && - e.xclient.data.l[0] == data->wm_delete_message) { - close_dialog = true; - } - break; - - case KeyPress: - // Store key press - we make sure in key release that we got both. - last_key_pressed = X11_XLookupKeysym(&e.xkey, 0); - break; - - case KeyRelease: - { - Uint32 mask = 0; - KeySym key = X11_XLookupKeysym(&e.xkey, 0); - - // If this is a key release for something we didn't get the key down for, then bail. - if (key != last_key_pressed) { - break; - } - - if (key == XK_Escape) { - mask = SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT; - } else if ((key == XK_Return) || (key == XK_KP_Enter)) { - mask = SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT; - } - - if (mask) { - int i; - - // Look for first button with this mask set, and return it if found. - for (i = 0; i < data->numbuttons; i++) { - SDL_MessageBoxButtonDataX11 *buttondatax11 = &data->buttonpos[i]; - - if (buttondatax11->buttondata->flags & mask) { - *data->pbuttonid = buttondatax11->buttondata->buttonID; - close_dialog = true; - break; - } - } - } - break; - } - - case ButtonPress: - data->button_press_index = -1; - if (e.xbutton.button == Button1) { - // Find index of button they clicked on. - data->button_press_index = GetHitButtonIndex(data, e.xbutton.x, e.xbutton.y); - } - break; - - case ButtonRelease: - // If button is released over the same button that was clicked down on, then return it. - if ((e.xbutton.button == Button1) && (data->button_press_index >= 0)) { - int button = GetHitButtonIndex(data, e.xbutton.x, e.xbutton.y); - - if (data->button_press_index == button) { - SDL_MessageBoxButtonDataX11 *buttondatax11 = &data->buttonpos[button]; - - *data->pbuttonid = buttondatax11->buttondata->buttonID; - close_dialog = true; - } - } - data->button_press_index = -1; - break; - } - - if (draw) { - // Draw our dialog box. - X11_MessageBoxDraw(data, ctx); - } - } - - X11_XFreeGC(data->display, ctx); - return true; -} - -static bool X11_ShowMessageBoxImpl(const SDL_MessageBoxData *messageboxdata, int *buttonID) -{ - bool result = false; - SDL_MessageBoxDataX11 data; -#if SDL_SET_LOCALE - char *origlocale; -#endif - - SDL_zero(data); - - if (!SDL_X11_LoadSymbols()) { - return false; - } - -#if SDL_SET_LOCALE - origlocale = setlocale(LC_ALL, NULL); - if (origlocale) { - origlocale = SDL_strdup(origlocale); - if (!origlocale) { - return false; - } - (void)setlocale(LC_ALL, ""); - } -#endif - - // This code could get called from multiple threads maybe? - X11_XInitThreads(); - - // Initialize the return buttonID value to -1 (for error or dialogbox closed). - *buttonID = -1; - - // Init and display the message box. - if (X11_MessageBoxInit(&data, messageboxdata, buttonID) && - X11_MessageBoxInitPositions(&data) && - X11_MessageBoxCreateWindow(&data)) { - result = X11_MessageBoxLoop(&data); - } - - X11_MessageBoxShutdown(&data); - -#if SDL_SET_LOCALE - if (origlocale) { - (void)setlocale(LC_ALL, origlocale); - SDL_free(origlocale); - } -#endif - - return result; -} - -// Display an x11 message box. -bool X11_ShowMessageBox(const SDL_MessageBoxData *messageboxdata, int *buttonID) -{ -#if SDL_FORK_MESSAGEBOX - // Use a child process to protect against setlocale(). Annoying. - pid_t pid; - int fds[2]; - int status = 0; - bool result = true; - - if (pipe(fds) == -1) { - return X11_ShowMessageBoxImpl(messageboxdata, buttonID); // oh well. - } - - pid = fork(); - if (pid == -1) { // failed - close(fds[0]); - close(fds[1]); - return X11_ShowMessageBoxImpl(messageboxdata, buttonID); // oh well. - } else if (pid == 0) { // we're the child - int exitcode = 0; - close(fds[0]); - result = X11_ShowMessageBoxImpl(messageboxdata, buttonID); - if (write(fds[1], &result, sizeof(result)) != sizeof(result)) { - exitcode = 1; - } else if (write(fds[1], buttonID, sizeof(*buttonID)) != sizeof(*buttonID)) { - exitcode = 1; - } - close(fds[1]); - _exit(exitcode); // don't run atexit() stuff, static destructors, etc. - } else { // we're the parent - pid_t rc; - close(fds[1]); - do { - rc = waitpid(pid, &status, 0); - } while ((rc == -1) && (errno == EINTR)); - - SDL_assert(rc == pid); // not sure what to do if this fails. - - if ((rc == -1) || (!WIFEXITED(status)) || (WEXITSTATUS(status) != 0)) { - result = SDL_SetError("msgbox child process failed"); - } else if ((read(fds[0], &result, sizeof(result)) != sizeof(result)) || - (read(fds[0], buttonID, sizeof(*buttonID)) != sizeof(*buttonID))) { - result = SDL_SetError("read from msgbox child process failed"); - *buttonID = 0; - } - close(fds[0]); - - return result; - } -#else - return X11_ShowMessageBoxImpl(messageboxdata, buttonID); -#endif -} -#endif // SDL_VIDEO_DRIVER_X11 -- cgit v1.2.3