ref: 3c61049f58009f3bc2c78a84285a5e1919ca5cf2
dir: /src/setup/display.c/
//
// Copyright(C) 2005-2014 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.
//
#include <stdlib.h>
#include <string.h>
#ifdef _WIN32
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#endif
#include "textscreen.h"
#include "m_config.h"
#include "m_misc.h"
#include "mode.h"
#include "display.h"
#include "config.h"
#define WINDOW_HELP_URL "https://www.chocolate-doom.org/setup-display"
typedef struct
{
int w, h;
} window_size_t;
// List of aspect ratio-uncorrected window sizes:
static window_size_t window_sizes_unscaled[] =
{
{ 320, 200 },
{ 640, 400 },
{ 960, 600 },
{ 1280, 800 },
{ 1600, 1000 },
{ 0, 0},
};
// List of aspect ratio-corrected window sizes:
static window_size_t window_sizes_scaled[] =
{
{ 320, 240 },
{ 512, 400 },
{ 640, 480 },
{ 800, 600 },
{ 960, 720 },
{ 1024, 800 },
{ 1280, 960 },
{ 1600, 1200 },
{ 1920, 1440 },
{ 0, 0},
};
static char *video_driver = "";
static char *window_position = "";
static int aspect_ratio_correct = 1;
static int integer_scaling = 0;
static int vga_porch_flash = 0;
static int force_software_renderer = 0;
static int fullscreen = 1;
static int fullscreen_width = 0, fullscreen_height = 0;
static int window_width = 800, window_height = 600;
static int startup_delay = 1000;
static int max_scaling_buffer_pixels = 16000000;
static int usegamma = 0;
int graphical_startup = 1;
int show_endoom = 1;
int show_diskicon = 1;
int png_screenshots = 0;
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 = M_StringJoin("SDL_VIDEODRIVER=", video_driver, NULL);
putenv(env_string);
free(env_string);
}
}
static void WindowSizeSelected(TXT_UNCAST_ARG(widget), TXT_UNCAST_ARG(size))
{
TXT_CAST_ARG(window_size_t, size);
window_width = size->w;
window_height = size->h;
}
static txt_radiobutton_t *SizeSelectButton(window_size_t *size)
{
char buf[15];
txt_radiobutton_t *result;
M_snprintf(buf, sizeof(buf), "%ix%i", size->w, size->h);
result = TXT_NewRadioButton(buf, &window_width, size->w);
TXT_SignalConnect(result, "selected", WindowSizeSelected, size);
return result;
}
static void GenerateSizesTable(TXT_UNCAST_ARG(widget),
TXT_UNCAST_ARG(sizes_table))
{
TXT_CAST_ARG(txt_table_t, sizes_table);
window_size_t *sizes;
boolean have_size;
int i;
// Pick which window sizes list to use
if (aspect_ratio_correct == 1)
{
sizes = window_sizes_scaled;
}
else
{
sizes = window_sizes_unscaled;
}
// Build the table
TXT_ClearTable(sizes_table);
TXT_SetColumnWidths(sizes_table, 14, 14, 14);
TXT_AddWidget(sizes_table, TXT_NewSeparator("Window size"));
have_size = false;
for (i = 0; sizes[i].w != 0; ++i)
{
TXT_AddWidget(sizes_table, SizeSelectButton(&sizes[i]));
have_size = have_size || window_width == sizes[i].w;
}
// Windows can be any arbitrary size. We key off the width of the
// window in pixels. If the current size is not in the list of
// standard (integer multiply) sizes, create a special button to
// mean "the current window size".
if (!have_size)
{
static window_size_t current_size;
current_size.w = window_width;
current_size.h = window_height;
TXT_AddWidget(sizes_table, SizeSelectButton(¤t_size));
}
}
static void AdvancedDisplayConfig(TXT_UNCAST_ARG(widget),
TXT_UNCAST_ARG(sizes_table))
{
TXT_CAST_ARG(txt_table_t, sizes_table);
txt_window_t *window;
txt_checkbox_t *ar_checkbox;
window = TXT_NewWindow("Advanced display options");
TXT_SetWindowHelpURL(window, WINDOW_HELP_URL);
TXT_SetColumnWidths(window, 40);
TXT_AddWidgets(window,
ar_checkbox = TXT_NewCheckBox("Force correct aspect ratio",
&aspect_ratio_correct),
TXT_If(gamemission == heretic || gamemission == hexen
|| gamemission == strife,
TXT_NewCheckBox("Graphical startup", &graphical_startup)),
TXT_If(gamemission == doom || gamemission == heretic
|| gamemission == strife,
TXT_NewCheckBox("Show ENDOOM screen on exit",
&show_endoom)),
#ifdef HAVE_LIBPNG
TXT_NewCheckBox("Save screenshots in PNG format",
&png_screenshots),
#endif
NULL);
TXT_SignalConnect(ar_checkbox, "changed", GenerateSizesTable, sizes_table);
}
void ConfigDisplay(TXT_UNCAST_ARG(widget), void *user_data)
{
txt_window_t *window;
txt_table_t *sizes_table;
txt_window_action_t *advanced_button;
// Open the window
window = TXT_NewWindow("Display Configuration");
TXT_SetWindowHelpURL(window, WINDOW_HELP_URL);
// Build window:
TXT_AddWidgets(window,
TXT_NewCheckBox("Full screen", &fullscreen),
TXT_NewConditional(&fullscreen, 0,
sizes_table = TXT_NewTable(3)),
NULL);
TXT_SetColumnWidths(window, 42);
// The window is set at a fixed vertical position. This keeps
// the top of the window stationary when switching between
// fullscreen and windowed mode (which causes the window's
// height to change).
TXT_SetWindowPosition(window, TXT_HORIZ_CENTER, TXT_VERT_TOP,
TXT_SCREEN_W / 2, 6);
GenerateSizesTable(NULL, sizes_table);
// Button to open "advanced" window.
// Need to pass a pointer to the window sizes table, as some of the options
// in there trigger a rebuild of it.
advanced_button = TXT_NewWindowAction('a', "Advanced");
TXT_SetWindowAction(window, TXT_HORIZ_CENTER, advanced_button);
TXT_SignalConnect(advanced_button, "pressed",
AdvancedDisplayConfig, sizes_table);
}
void BindDisplayVariables(void)
{
M_BindIntVariable("aspect_ratio_correct", &aspect_ratio_correct);
M_BindIntVariable("integer_scaling", &integer_scaling);
M_BindIntVariable("fullscreen", &fullscreen);
M_BindIntVariable("fullscreen_width", &fullscreen_width);
M_BindIntVariable("fullscreen_height", &fullscreen_height);
M_BindIntVariable("window_width", &window_width);
M_BindIntVariable("window_height", &window_height);
M_BindIntVariable("startup_delay", &startup_delay);
M_BindStringVariable("video_driver", &video_driver);
M_BindStringVariable("window_position", &window_position);
M_BindIntVariable("usegamma", &usegamma);
M_BindIntVariable("png_screenshots", &png_screenshots);
M_BindIntVariable("vga_porch_flash", &vga_porch_flash);
M_BindIntVariable("force_software_renderer", &force_software_renderer);
M_BindIntVariable("max_scaling_buffer_pixels", &max_scaling_buffer_pixels);
if (gamemission == doom || gamemission == heretic
|| gamemission == strife)
{
M_BindIntVariable("show_endoom", &show_endoom);
}
if (gamemission == doom || gamemission == strife)
{
M_BindIntVariable("show_diskicon", &show_diskicon);
}
if (gamemission == heretic || gamemission == hexen || gamemission == strife)
{
M_BindIntVariable("graphical_startup", &graphical_startup);
}
}