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Diffstat (limited to 'setup/display.c')
| -rw-r--r-- | setup/display.c | 438 |
1 files changed, 0 insertions, 438 deletions
diff --git a/setup/display.c b/setup/display.c deleted file mode 100644 index 5e9d4fcf..00000000 --- a/setup/display.c +++ /dev/null @@ -1,438 +0,0 @@ -// Emacs style mode select -*- C++ -*- -//----------------------------------------------------------------------------- -// -// Copyright(C) 2006 Simon Howard -// -// This program is free software; you can redistribute it and/or -// modify it under the terms of the GNU General Public License -// as published by the Free Software Foundation; either version 2 -// of the License, or (at your option) any later version. -// -// This program is distributed in the hope that it will be useful, -// but WITHOUT ANY WARRANTY; without even the implied warranty of -// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -// GNU General Public License for more details. -// -// You should have received a copy of the GNU General Public License -// along with this program; if not, write to the Free Software -// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA -// 02111-1307, USA. -// - -#include <string.h> - -#include "textscreen.h" - -#include "display.h" - -typedef struct -{ - int w, h; -} screen_mode_t; - -// List of aspect ratio-uncorrected modes - -static screen_mode_t screen_modes_unscaled[] = -{ - { 320, 200 }, - { 640, 400 }, - { 960, 600 }, - { 1280, 800 }, - { 1600, 1000 }, - { 0, 0}, -}; - -// List of aspect ratio-corrected modes - -static screen_mode_t screen_modes_scaled[] = -{ - { 256, 200 }, - { 320, 240 }, - { 512, 400 }, - { 640, 480 }, - { 800, 600 }, - { 960, 720 }, - { 1024, 800 }, - { 1280, 960 }, - { 1280, 1000 }, - { 1600, 1200 }, - { 0, 0}, -}; - -// List of fullscreen modes generated at runtime - -static screen_mode_t *screen_modes_fullscreen = NULL; - -static int vidmode = 0; - -char *video_driver = ""; -int autoadjust_video_settings = 1; -int aspect_ratio_correct = 1; -int fullscreen = 1; -int screen_width = 320; -int screen_height = 200; -int startup_delay = 1000; -int show_endoom = 1; - -// These are the last screen width/height values that were chosen by the -// user. These are used when finding the "nearest" mode, so when -// changing the fullscreen / aspect ratio options, the setting does not -// jump around. - -static int selected_screen_width = 0, selected_screen_height; - -static int system_video_env_set; - -// Set the SDL_VIDEODRIVER environment variable - -void SetDisplayDriver(void) -{ - static int first_time = 1; - - if (first_time) - { - system_video_env_set = getenv("SDL_VIDEODRIVER") != NULL; - - first_time = 0; - } - - // Don't override the command line environment, if it has been set. - - if (system_video_env_set) - { - return; - } - - // Use the value from the configuration file, if it has been set. - - if (strcmp(video_driver, "") != 0) - { - char *env_string; - - env_string = malloc(strlen(video_driver) + 30); - sprintf(env_string, "SDL_VIDEODRIVER=%s", video_driver); - putenv(env_string); - free(env_string); - } - else - { -#ifdef _WIN32 - // On Windows, use DirectX over windib by default. - - putenv("SDL_VIDEODRIVER=directx"); -#endif - } -} - -static void ModeSelected(TXT_UNCAST_ARG(widget), TXT_UNCAST_ARG(mode)) -{ - TXT_CAST_ARG(screen_mode_t, mode); - - screen_width = mode->w; - screen_height = mode->h; - - // This is now the most recently selected screen width - - selected_screen_width = screen_width; - selected_screen_height = screen_height; -} - -static int GoodFullscreenMode(screen_mode_t *mode) -{ - int w, h; - - w = mode->w; - h = mode->h; - - // 320x200 and 640x400 are always good (special case) - - if ((w == 320 && h == 200) || (w == 640 && h == 400)) - { - return 1; - } - - // Special case: 320x240 letterboxed mode is okay (but not aspect - // ratio corrected 320x240) - - if (w == 320 && h == 240 && !aspect_ratio_correct) - { - return 1; - } - - // Ignore all modes less than 640x480 - - return w >= 640 && h >= 480; -} - -// Build screen_modes_fullscreen - -static void BuildFullscreenModesList(void) -{ - SDL_Rect **modes; - screen_mode_t *m1; - screen_mode_t *m2; - screen_mode_t m; - int num_modes; - int i; - - // Free the existing modes list, if one exists - - if (screen_modes_fullscreen != NULL) - { - free(screen_modes_fullscreen); - } - - // Get a list of fullscreen modes and find out how many - // modes are in the list. - - modes = SDL_ListModes(NULL, SDL_FULLSCREEN); - - for (num_modes=0; modes[num_modes] != NULL; ++num_modes); - - // Build the screen_modes_fullscreen array - - screen_modes_fullscreen = malloc(sizeof(screen_mode_t) * (num_modes + 1)); - - for (i=0; i<num_modes; ++i) - { - screen_modes_fullscreen[i].w = modes[i]->w; - screen_modes_fullscreen[i].h = modes[i]->h; - } - - screen_modes_fullscreen[i].w = 0; - screen_modes_fullscreen[i].h = 0; - - // Reverse the order of the modes list (smallest modes first) - - for (i=0; i<num_modes / 2; ++i) - { - m1 = &screen_modes_fullscreen[i]; - m2 = &screen_modes_fullscreen[num_modes - 1 - i]; - - memcpy(&m, m1, sizeof(screen_mode_t)); - memcpy(m1, m2, sizeof(screen_mode_t)); - memcpy(m2, &m, sizeof(screen_mode_t)); - } -} - -static int FindBestMode(screen_mode_t *modes) -{ - int i; - int best_mode; - int best_mode_diff; - int diff; - - best_mode = -1; - best_mode_diff = 0; - - for (i=0; modes[i].w != 0; ++i) - { - if (fullscreen && !GoodFullscreenMode(&modes[i])) - { - continue; - } - - diff = (selected_screen_width - modes[i].w) - * (selected_screen_width - modes[i].w) - + (selected_screen_height - modes[i].h) - * (selected_screen_height - modes[i].h); - - if (best_mode == -1 || diff < best_mode_diff) - { - best_mode_diff = diff; - best_mode = i; - } - } - - return best_mode; -} - -static void GenerateModesTable(TXT_UNCAST_ARG(widget), - TXT_UNCAST_ARG(modes_table)) -{ - TXT_CAST_ARG(txt_table_t, modes_table); - char buf[15]; - screen_mode_t *modes; - txt_radiobutton_t *rbutton; - int i; - - // Pick which modes list to use - - if (fullscreen) - { - if (screen_modes_fullscreen == NULL) - { - BuildFullscreenModesList(); - } - - modes = screen_modes_fullscreen; - } - else if (aspect_ratio_correct) - { - modes = screen_modes_scaled; - } - else - { - modes = screen_modes_unscaled; - } - - // Build the table - - TXT_ClearTable(modes_table); - TXT_SetColumnWidths(modes_table, 15, 15, 15); - - for (i=0; modes[i].w != 0; ++i) - { - // Skip bad fullscreen modes - - if (fullscreen && !GoodFullscreenMode(&modes[i])) - { - continue; - } - - sprintf(buf, "%ix%i", modes[i].w, modes[i].h); - rbutton = TXT_NewRadioButton(buf, &vidmode, i); - TXT_AddWidget(modes_table, rbutton); - TXT_SignalConnect(rbutton, "selected", ModeSelected, &modes[i]); - } - - // Find the nearest mode in the list that matches the current - // settings - - vidmode = FindBestMode(modes); - - screen_width = modes[vidmode].w; - screen_height = modes[vidmode].h; -} - -#ifdef _WIN32 - -static int win32_video_driver = 0; - -static char *win32_video_drivers[] = -{ - "DirectX", - "Windows GDI", -}; - -// Restart the textscreen library. Used when the video_driver variable -// is changed. - -static void RestartTextscreen(void) -{ - TXT_Shutdown(); - - SetDisplayDriver(); - - TXT_Init(); -} - -static void SetWin32VideoDriver(void) -{ - if (!strcmp(video_driver, "windib")) - { - win32_video_driver = 1; - } - else - { - win32_video_driver = 0; - } -} - -static void UpdateVideoDriver(TXT_UNCAST_ARG(widget), - TXT_UNCAST_ARG(modes_table)) -{ - TXT_CAST_ARG(txt_table_t, modes_table); - char *drivers[] = - { - "", - "windib", - }; - - video_driver = drivers[win32_video_driver != 0]; - - // When the video driver is changed, we need to restart the textscreen - // library. - - RestartTextscreen(); - - // Rebuild the video modes list - - BuildFullscreenModesList(); - GenerateModesTable(NULL, modes_table); -} - -#endif - - -void ConfigDisplay(void) -{ - txt_window_t *window; - txt_table_t *modes_table; - txt_checkbox_t *fs_checkbox; - txt_checkbox_t *ar_checkbox; - - // First time in? Initialise selected_screen_{width,height} - - if (selected_screen_width == 0) - { - selected_screen_width = screen_width; - selected_screen_height = screen_height; - } - - // Open the window - - window = TXT_NewWindow("Display Configuration"); - - TXT_SetWindowPosition(window, TXT_HORIZ_CENTER, TXT_VERT_TOP, 40, 5); - - TXT_AddWidgets(window, - fs_checkbox = TXT_NewCheckBox("Fullscreen", &fullscreen), - ar_checkbox = TXT_NewCheckBox("Correct aspect ratio", - &aspect_ratio_correct), - NULL); - - modes_table = TXT_NewTable(3); - - // On Windows, there is an extra control to change between - // the Windows GDI and DirectX video drivers. - -#ifdef _WIN32 - { - txt_table_t *driver_table; - txt_dropdown_list_t *driver_list; - - driver_table = TXT_NewTable(2); - - TXT_SetColumnWidths(driver_table, 20, 0); - - TXT_AddWidgets(driver_table, - TXT_NewLabel("Video driver"), - driver_list = TXT_NewDropdownList(&win32_video_driver, - win32_video_drivers, - 2), - NULL); - - TXT_SignalConnect(driver_list, "changed", - UpdateVideoDriver, modes_table); - SetWin32VideoDriver(); - - TXT_AddWidget(window, driver_table); - } -#endif - - // Screen modes list - - TXT_AddWidgets(window, - TXT_NewSeparator("Screen mode"), - modes_table, - TXT_NewSeparator("Misc."), - TXT_NewCheckBox("Show ENDOOM screen", &show_endoom), - NULL); - - TXT_SignalConnect(fs_checkbox, "changed", GenerateModesTable, modes_table); - TXT_SignalConnect(ar_checkbox, "changed", GenerateModesTable, modes_table); - - GenerateModesTable(NULL, modes_table); -} - |