rename source files for consistency

1 files changed, 217 insertions, 0 deletions

diff --git a/mousetsr.h b/mousetsr.h
new file mode 100644
index 0000000..a025c92
--- /dev/null
+++ b/mousetsr.h
@@ -0,0 +1,217 @@
+/*
+ * VBMouse - DOS mouse driver resident part
+ * Copyright (C) 2022 Javier S. Pedro
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+#ifndef DOSTSR_H
+#define DOSTSR_H
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "int2fwin.h"
+#include "int10vga.h"
+
+// User customizable defines
+
+/** Enable the VirtualBox integration */
+#define USE_VIRTUALBOX 1
+/** Enable the VMware integration */
+#define USE_VMWARE 1
+/** Enable the Windows 386/protected mode integration */
+#define USE_WIN386 1
+/** Enable the wheel. */
+#define USE_WHEEL 1
+/** Trace events verbosily */
+#define TRACE_EVENTS 0
+
+// End of user customizable defines
+
+#define USE_INTEGRATION (USE_VIRTUALBOX || USE_VMWARE)
+
+#define NUM_BUTTONS 3
+
+#define GRAPHIC_CURSOR_WIDTH 16
+#define GRAPHIC_CURSOR_HEIGHT 16
+#define GRAPHIC_CURSOR_SCANLINE_LEN 2
+#define GRAPHIC_CURSOR_MASK_LEN (GRAPHIC_CURSOR_HEIGHT * GRAPHIC_CURSOR_SCANLINE_LEN)
+#define GRAPHIC_CURSOR_DATA_LEN (2 * GRAPHIC_CURSOR_MASK_LEN)
+
+#define VERSION_MAJOR 0
+#define VERSION_MINOR 4
+#define REPORTED_VERSION_MAJOR 6
+#define REPORTED_VERSION_MINOR 0x30
+
+#if USE_VIRTUALBOX
+#include "vbox.h"
+#endif
+
+struct point {
+	int16_t x, y;
+};
+
+typedef struct tsrdata {
+	// TSR installation data
+	/** Previous int33 ISR, storing it for uninstall. */
+	void (__interrupt __far *prev_int33_handler)();
+#if USE_WIN386
+	void (__interrupt __far *prev_int2f_handler)();
+#endif
+#if USE_WHEEL
+	/** Whether to enable & use wheel mouse. */
+	bool usewheel;
+	/** Key (scancode) to generate on wheel scroll up/down, or 0 for none. */
+	uint16_t wheel_up_key, wheel_down_key;
+#endif
+
+	// Video settings
+	/** Information of the current video mode. */
+	struct modeinfo video_mode;
+	/** Max (virtual) coordinates of full screen in the current mode.
+	 *  Used for rendering graphic cursor, mapping absolute coordinates,
+	 *  and initializing the default min/max window. */
+	struct point screen_max;
+	/** In some modes, the virtual coordinates are larger than the
+	 *  physical screen coordinates.
+	 *  real coordinates = virtual coordinates * screen_scale. */
+	struct point screen_scale;
+	/** In text modes, we want to snap the cursor position to the cell grid.
+	 *  This stores the desired grid granularity. */
+	struct point screen_granularity;
+
+	// Detected mouse hardware
+#if USE_WHEEL
+	/** Whether the current mouse has a wheel (and support is enabled). */
+	bool haswheel;
+#endif
+
+	// Current mouse settings
+	/** Mouse sensitivity/speed. */
+	struct point mickeysPerLine; // mickeys per 8 pixels
+	/** Mouse acceleration "double-speed threshold". */
+	uint16_t doubleSpeedThreshold; // mickeys
+	/** Current window min coordinates. */
+	struct point min;
+	/** Current window max coordinates. */
+	struct point max;
+	/** Current cursor visible counter. If >= 0, cursor should be shown. */
+	int16_t visible_count;
+	/** For text cursor, whether this is a software or hardware cursor. */
+	uint8_t cursor_text_type;
+	/** Masks for the text cursor. */
+	uint16_t cursor_text_and_mask, cursor_text_xor_mask;
+	/** Hotspot for the graphic cursor. */
+	struct point cursor_hotspot;
+	/** Masks for the graphic cursor. */
+	uint16_t cursor_graphic[GRAPHIC_CURSOR_DATA_LEN/sizeof(uint16_t)];
+#if USE_WHEEL
+	/** Whether someone asked for the int33 wheel API, in which case we
+	 *  should send them wheel movement rather than fake keypresses. */
+	bool usewheelapi;
+#endif
+
+	// Current mouse status
+	/** Current cursor position (in pixels). */
+	struct point pos;
+	/** Current remainder of movement that does not yet translate to an entire pixel
+	 *  (8ths of pixel). */
+	struct point pos_frac;
+	/** Current delta movement (in mickeys) since the last report. */
+	struct point delta;
+	/** Current remainder of delta movement that does not yet translate to an entire mickey
+	 *  Usually only when mickeysPerLine is not a multiple of 8. */
+	struct point delta_frac;
+	/** Last absolute position (to compute a delta for relative motion emulation). Using -1 for "none". */
+	struct point abs_pos;
+	/** Total mickeys moved in the last second. */
+	uint16_t total_motion;
+	/** Ticks when the above value was last reset. */
+	uint16_t last_ticks;
+	/** Current status of buttons (as bitfield). */
+	uint16_t buttons;
+	struct {
+		struct buttoncounter {
+			struct point last;
+			uint16_t count;
+		} pressed, released;
+	} button[NUM_BUTTONS];
+	/** Total delta movement of the wheel since the last wheel report. */
+	int16_t wheel_delta;
+	/** Last position where the wheel was moved. */
+	struct point wheel_last;
+
+	// Cursor information
+	/** Whether the cursor is currently displayed or not. */
+	bool cursor_visible;
+	/** The current position at which the cursor is displayed. */
+	struct point cursor_pos;
+	/** For text mode cursor, the character data that was displayed below the cursor. */
+	uint16_t cursor_prev_char;
+	/** For graphical mode cursor, contents of the screen that were displayed below
+	 *  the cursor before the cursor was drawn. */
+	uint8_t cursor_prev_graphic[GRAPHIC_CURSOR_WIDTH * GRAPHIC_CURSOR_HEIGHT];
+
+	// Current handlers
+	/** Address of the event handler. */
+	void (__far *event_handler)();
+	/** Events for which we should call the event handler. */
+	uint16_t event_mask;
+
+#if USE_WIN386
+	/** Information that we pass to Windows 386 on startup. */
+	win386_startup_info w386_startup;
+	win386_instance_item w386_instance[2];
+	/** Whether Windows 386 is rendering the cursor for us,
+	 *  and therefore we should hide our own. */
+	bool w386cursor : 1;
+#endif
+
+#if USE_VIRTUALBOX
+	/** VirtualBox is available. */
+	bool vbavail : 1;
+	/** Want to use the VirtualBox "host" cursor. */
+	bool vbwantcursor : 1;
+	/** Have VirtualBox absolute coordinates. */
+	bool vbhaveabs : 1;
+	struct vboxcomm vb;
+#endif
+
+#if USE_VMWARE
+	/** VMware is available. */
+	bool vmwavail : 1;
+#endif
+} TSRDATA;
+
+typedef TSRDATA * PTSRDATA;
+typedef TSRDATA __far * LPTSRDATA;
+
+extern void __declspec(naked) __far int33_isr(void);
+
+extern void __declspec(naked) __far int2f_isr(void);
+
+extern LPTSRDATA __far get_tsr_data(bool installed);
+
+/** This symbol is always at the end of the TSR segment */
+extern int resident_end;
+
+/** This is not just data, but the entire segment. */
+static inline unsigned get_resident_size(void)
+{
+	return FP_OFF(&resident_end);
+}
+
+#endif