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50 lines
1.7 KiB
C
50 lines
1.7 KiB
C
#ifndef INCLUDE_LIBQB_GLUT_THREAD_H
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#define INCLUDE_LIBQB_GLUT_THREAD_H
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// Called to potentially setup GLUT before starting the program.
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void libqb_glut_presetup(int argc, char **argv);
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// Starts the "main thread", including handling all the GLUT setup.
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void libqb_start_main_thread(int argc, char **argv);
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// Used to support _ScreenShow, which can start the GLUT thread after the
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// program is started
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void libqb_start_glut_thread();
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// Indicates whether GLUT is currently running (and thus whether we're able to
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// do any GLUT-related stuff
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bool libqb_is_glut_up();
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// Called at consistent intervals from a GLUT callback
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void libqb_process_glut_queue();
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// Called to properly exit the program. Necessary because GLUT requires a
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// special care to not seg-fault when exiting the program.
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void libqb_exit(int);
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// These functions perform the same actions as their corresponding glut* functions.
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// They tell the GLUT thread to perform the command, returning the result if applicable
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void libqb_glut_set_cursor(int style);
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void libqb_glut_warp_pointer(int x, int y);
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int libqb_glut_get(int id);
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void libqb_glut_iconify_window();
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void libqb_glut_position_window(int x, int y);
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void libqb_glut_show_window();
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void libqb_glut_hide_window();
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void libqb_glut_set_window_title(const char *title);
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void libqb_glut_exit_program(int exitcode);
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// Convenience macros, exists a function depending on the state of GLUT
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#define NEEDS_GLUT(error_result) do { \
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if (!libqb_is_glut_up()) { \
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error(5); \
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return error_result; \
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} \
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} while (0)
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#define OPTIONAL_GLUT(result) do { \
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if (!libqb_is_glut_up()) \
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return result; \
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} while (0)
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#endif
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