win32screen.c File Reference

#include <windows.h>
#include <windowsx.h>
#include <malloc.h>
#include <stdio.h>
#include "gfx2mem.h"
#include "gfx2log.h"
#include "screen.h"
#include "errors.h"
#include "input.h"
#include "keyboard.h"
#include "unicode.h"

Include dependency graph for win32screen.c:

Functions
int	Handle_special_key_press (void)
	check Keys that emulate mouse moves, etc. More...
int	Release_control (int key_code, int modifier)
void *	GFX2_Get_Window_Handle ()
static void	Win32_Repaint (HWND hwnd)
	Blit our "framebuffer" bitmap to the Window. More...
static LRESULT CALLBACK	Win32_WindowProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
	WindowProc callback function. More...
int	Init_Win32 (HINSTANCE hInstance, HINSTANCE hPrevInstance)
static int	Video_AllocateDib (int width, int height)
static void	Win32_CreateWindow (int width, int height, int fullscreen)
void	GFX2_Set_mode (int *width, int *height, int fullscreen)
	Sets the new screen/window dimensions. More...
byte	Get_Screen_pixel (int x, int y)
void	Set_Screen_pixel (int x, int y, byte value)
byte *	Get_Screen_pixel_ptr (int x, int y)
void	Screen_FillRect (int x, int y, int w, int h, byte color)
void	Update_rect (short x, short y, unsigned short width, unsigned short height)
void	Flush_update (void)
void	Update_status_line (short char_pos, short width)
int	GFX2_SetPalette (const T_Components *colors, int firstcolor, int ncolors)
void	Clear_border (byte color)
	Clears the parts of screen that are outside of the editing area. More...
void	Allow_drag_and_drop (int flag)
	Activates or desactivates file drag-dropping in program window. More...
void	Define_icon (void)
	Set application icon(s) More...
void	Set_mouse_position (void)
	set (system) mouse cursor position More...
int	GFX2_GetScreenSize (int *width, int *height)
	Get Screen dimensions. More...
int	GFX2_MessageBox (const char *text, const char *caption, unsigned int type)
	Display a modal message. More...

Variables
int	user_feedback_required
word	Input_new_mouse_X
word	Input_new_mouse_Y
byte	Input_new_mouse_K
static HBITMAP	Windows_DIB = NULL
static void *	Windows_Screen = NULL
static int	Windows_DIB_width = 0
static int	Windows_DIB_height = 0
static HWND	Win32_hwnd = NULL
static int	Win32_Is_Fullscreen = 0
volatile int	Allow_colorcycling = 0

Function Documentation

Handle_special_key_press()

int Handle_special_key_press

(

void

)

check Keys that emulate mouse moves, etc.

References D_JOYSTICK_DOWN, D_JOYSTICK_LEFT, D_JOYSTICK_RIGHT, D_JOYSTICK_UP, Directional_click, Directional_emulated, Handle_mouse_btn_change(), Input_new_mouse_K, Is_shortcut(), Key, Keyboard_click_allowed, Pan_shortcut_pressed, SPECIAL_CLICK_LEFT, SPECIAL_CLICK_RIGHT, SPECIAL_HOLD_PAN, SPECIAL_MOUSE_DOWN, SPECIAL_MOUSE_LEFT, SPECIAL_MOUSE_RIGHT, and SPECIAL_MOUSE_UP.

Referenced by Get_input(), and Win32_WindowProc().

Release_control()

int Release_control	(	int	key_code,
		int	modifier
	)

References Button_inverter, Config, Config_Key, Directional_click, Directional_emulated, GFX2_MOD_SHIFT, Handle_mouse_btn_change(), Input_new_mouse_K, Pan_shortcut_pressed, Snap_axis, SPECIAL_CLICK_LEFT, SPECIAL_CLICK_RIGHT, SPECIAL_HOLD_PAN, SPECIAL_MOUSE_DOWN, SPECIAL_MOUSE_LEFT, SPECIAL_MOUSE_RIGHT, SPECIAL_MOUSE_UP, and T_Config::Swap_buttons.

Referenced by Get_input(), and Win32_WindowProc().

GFX2_Get_Window_Handle()

void * GFX2_Get_Window_Handle

(

)

References Win32_hwnd.

Referenced by Allow_drag_and_drop(), Define_icon(), GFX2_GetTextClipboard(), GFX2_MessageBox(), Init_program(), Load_ClipBoard_Image(), Program_shutdown(), and Save_ClipBoard_Image().

Win32_Repaint()

static void Win32_Repaint ( HWND  hwnd )

static

Blit our "framebuffer" bitmap to the Window.

References FALSE, GFX2_INFO, GFX2_Log(), and Windows_DIB.

Referenced by Win32_WindowProc().

Win32_WindowProc()

static LRESULT CALLBACK Win32_WindowProc ( HWND  hwnd, UINT  uMsg, WPARAM  wParam, LPARAM  lParam  )

static

WindowProc callback function.

References Config, Drop_file_name, Drop_file_name_unicode, FALSE, Get_Key_modifiers(), GFX2_DEBUG, GFX2_ERROR, GFX2_INFO, GFX2_Log(), GFX2_malloc, GFX2_MOD_ALT, GFX2_MOD_CTRL, GFX2_MOD_META, GFX2_MOD_SHIFT, GFX2_WARNING, GFX2_WINDOW_MAXIMIZED, GFX2_WINDOW_MINIMIZED, GFX2_WINDOW_STANDARD, Handle_mouse_btn_change(), Handle_special_key_press(), Input_new_mouse_K, Key, Key_ANSI, KEY_MOUSEMIDDLE, KEY_MOUSEWHEELDOWN, KEY_MOUSEWHEELLEFT, KEY_MOUSEWHEELRIGHT, KEY_MOUSEWHEELUP, Key_UNICODE, Move_cursor_with_constraints(), NULL, Pixel_height, Pixel_width, Quit_is_required, Release_control(), Resize_height, Resize_width, TRUE, user_feedback_required, Win32_Is_Fullscreen, Win32_Repaint(), T_Config::Window_pos_x, T_Config::Window_pos_y, and Window_state.

Referenced by Init_Win32().

Init_Win32()

int Init_Win32	(	HINSTANCE	hInstance,
		HINSTANCE	hPrevInstance
	)

References Error, ERROR_INIT, GFX2_Log(), GFX2_WARNING, NULL, and Win32_WindowProc().

Referenced by main().

Video_AllocateDib()

static int Video_AllocateDib ( int  width, int  height  )

static

References GFX2_Log(), GFX2_WARNING, NULL, Windows_DIB, Windows_DIB_height, Windows_DIB_width, and Windows_Screen.

Referenced by GFX2_Set_mode().

Win32_CreateWindow()

static void Win32_CreateWindow ( int  width, int  height, int  fullscreen  )

static

References Config, Error, ERROR_INIT, FALSE, NULL, Win32_hwnd, T_Config::Window_pos_x, and T_Config::Window_pos_y.

Referenced by GFX2_Set_mode().

GFX2_Set_mode()

void GFX2_Set_mode	(	int *	width,
		int *	height,
		int	fullscreen
	)

Sets the new screen/window dimensions.

References Config, FALSE, NULL, Video_AllocateDib(), Win32_CreateWindow(), Win32_hwnd, Win32_Is_Fullscreen, T_Config::Window_pos_x, and T_Config::Window_pos_y.

Get_Screen_pixel()

byte Get_Screen_pixel	(	int	x,
		int	y
	)

References NULL, Windows_DIB_width, and Windows_Screen.

Set_Screen_pixel()

void Set_Screen_pixel	(	int	x,
		int	y,
		byte	value
	)

References NULL, Windows_DIB_width, and Windows_Screen.

Get_Screen_pixel_ptr()

byte * Get_Screen_pixel_ptr	(	int	x,
		int	y
	)

References NULL, Windows_DIB_width, and Windows_Screen.

Referenced by Screen_FillRect().

Screen_FillRect()

void Screen_FillRect	(	int	x,
		int	y,
		int	w,
		int	h,
		byte	color
	)

References Get_Screen_pixel_ptr(), Windows_DIB_height, and Windows_DIB_width.

Update_rect()

void Update_rect	(	short	x,
		short	y,
		unsigned short	width,
		unsigned short	height
	)

References FALSE, NULL, Pixel_height, Pixel_width, and Win32_hwnd.

Referenced by Update_status_line().

Flush_update()

void Flush_update

(

void

)

Update_status_line()

void Update_status_line	(	short	char_pos,
		short	width
	)

References Menu_factor_X, Menu_factor_Y, Menu_status_Y, and Update_rect().

GFX2_SetPalette()

int GFX2_SetPalette	(	const T_Components *	colors,
		int	firstcolor,
		int	ncolors
	)

References T_Components::B, FALSE, T_Components::G, NULL, T_Components::R, Win32_hwnd, and Windows_DIB.

Clear_border()

void Clear_border

(

byte

color

)

Clears the parts of screen that are outside of the editing area.

There is such area only if the screen mode is not a multiple of the pixel size, eg: 3x3 pixels in 1024x768 leaves 1 column on the right, 0 rows on bottom.

Allow_drag_and_drop()

void Allow_drag_and_drop

(

int

flag

)

Activates or desactivates file drag-dropping in program window.

References FALSE, GFX2_Get_Window_Handle(), and TRUE.

Define_icon()

void Define_icon

(

void

)

Set application icon(s)

Set_mouse_position()

void Set_mouse_position

(

void

)

set (system) mouse cursor position

References GFX2_Log(), GFX2_WARNING, Mouse_X, Mouse_Y, Pixel_height, Pixel_width, and Win32_hwnd.

GFX2_GetScreenSize()

int GFX2_GetScreenSize	(	int *	width,
		int *	height
	)

Get Screen dimensions.

References NULL.

Referenced by Set_all_video_modes().

GFX2_MessageBox()

int GFX2_MessageBox	(	const char *	text,
		const char *	caption,
		unsigned int	type
	)

Display a modal message.

Parameters

text	body of the modal message
caption	title of the message
type	one of GFX2_MB_INFO, GFX2_MB_ERROR, GFX2_MB_WARNING

Returns

0 for error

References GFX2_Get_Window_Handle().

Variable Documentation

user_feedback_required

int user_feedback_required

extern

Referenced by Get_input(), and Win32_WindowProc().

Input_new_mouse_X

word Input_new_mouse_X

extern

Referenced by Cursor_displace(), Get_input(), and Move_cursor_with_constraints().

Input_new_mouse_Y

word Input_new_mouse_Y

extern

Referenced by Cursor_displace(), Get_input(), and Move_cursor_with_constraints().

Input_new_mouse_K

byte Input_new_mouse_K

extern

Referenced by Get_input(), Handle_mouse_btn_change(), Handle_special_key_press(), Release_control(), and Win32_WindowProc().

Windows_DIB

HBITMAP Windows_DIB = NULL

static

Referenced by GFX2_SetPalette(), Video_AllocateDib(), and Win32_Repaint().

Windows_Screen

void* Windows_Screen = NULL

static

Referenced by Get_Screen_pixel(), Get_Screen_pixel_ptr(), Set_Screen_pixel(), and Video_AllocateDib().

Windows_DIB_width

int Windows_DIB_width = 0

static

Referenced by Get_Screen_pixel(), Get_Screen_pixel_ptr(), Screen_FillRect(), Set_Screen_pixel(), and Video_AllocateDib().

Windows_DIB_height

int Windows_DIB_height = 0

static

Referenced by Screen_FillRect(), and Video_AllocateDib().

Win32_hwnd

HWND Win32_hwnd = NULL

static

Referenced by GFX2_Get_Window_Handle(), GFX2_Set_mode(), GFX2_SetPalette(), Set_mouse_position(), Update_rect(), and Win32_CreateWindow().

Win32_Is_Fullscreen

int Win32_Is_Fullscreen = 0

static

Referenced by GFX2_Set_mode(), and Win32_WindowProc().

Allow_colorcycling

volatile int Allow_colorcycling = 0