ref: df5ceec1c72376898da165c8564299d680bb0cb3
dir: /src/ft2_mouse.c/
// for finding memory leaks in debug mode with Visual Studio
#if defined _DEBUG && defined _MSC_VER
#include <crtdbg.h>
#endif
#include <stdio.h>
#include <stdbool.h>
#include "ft2_header.h"
#include "ft2_gui.h"
#include "ft2_video.h"
#include "ft2_scopes.h"
#include "ft2_help.h"
#include "ft2_sample_ed.h"
#include "ft2_inst_ed.h"
#include "ft2_pattern_ed.h"
#include "ft2_mouse.h"
#include "ft2_config.h"
#include "ft2_diskop.h"
#include "ft2_gfxdata.h"
#include "ft2_audioselector.h"
#include "ft2_midi.h"
static bool mouseBusyGfxBackwards;
static int16_t mouseShape;
static int32_t mouseModeGfxOffs, mouseBusyGfxFrame;
static SDL_Cursor *cArrow, *cIBeam, *cBusy;
void freeSDL2Cursors(void)
{
if (cArrow != NULL)
{
SDL_FreeCursor(cArrow);
cArrow = NULL;
}
if (cIBeam != NULL)
{
SDL_FreeCursor(cIBeam);
cIBeam = NULL;
}
if (cBusy != NULL)
{
SDL_FreeCursor(cBusy);
cBusy = NULL;
}
}
void createSDL2Cursors(void)
{
cArrow = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_ARROW);
cIBeam = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_IBEAM);
cBusy = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_WAIT);
}
void setMousePosToCenter(void)
{
if (video.fullscreen)
{
mouse.setPosX = video.displayW / 2;
mouse.setPosY = video.displayH / 2;
}
else
{
mouse.setPosX = video.renderW / 2;
mouse.setPosY = video.renderH / 2;
}
mouse.setPosFlag = true;
}
void animateBusyMouse(void)
{
if (config.mouseAnimType == MOUSE_BUSY_SHAPE_CLOCK)
{
if ((editor.framesPassed % 7) == 6)
{
if (mouseBusyGfxBackwards)
{
if (--mouseBusyGfxFrame <= 0)
{
mouseBusyGfxFrame = 0;
mouseBusyGfxBackwards = false;
}
}
else
{
if (++mouseBusyGfxFrame >= MOUSE_CLOCK_ANI_FRAMES-1)
{
mouseBusyGfxFrame = MOUSE_CLOCK_ANI_FRAMES - 1;
mouseBusyGfxBackwards = true;
}
}
changeSpriteData(SPRITE_MOUSE_POINTER,
&mouseCursorBusyClock[(mouseBusyGfxFrame % MOUSE_CLOCK_ANI_FRAMES) * (MOUSE_CURSOR_W * MOUSE_CURSOR_H)]);
}
}
else
{
if ((editor.framesPassed % 5) == 4)
{
mouseBusyGfxFrame = (mouseBusyGfxFrame + 1) % MOUSE_GLASS_ANI_FRAMES;
changeSpriteData(SPRITE_MOUSE_POINTER,
&mouseCursorBusyGlass[mouseBusyGfxFrame * (MOUSE_CURSOR_W * MOUSE_CURSOR_H)]);
}
}
}
void setMouseShape(int16_t shape)
{
const uint8_t *gfxPtr;
if (editor.busy)
{
if (config.mouseAnimType == MOUSE_BUSY_SHAPE_CLOCK)
gfxPtr = &mouseCursorBusyClock[(mouseBusyGfxFrame % MOUSE_GLASS_ANI_FRAMES) * (MOUSE_CURSOR_W * MOUSE_CURSOR_H)];
else
gfxPtr = &mouseCursorBusyGlass[(mouseBusyGfxFrame % MOUSE_CLOCK_ANI_FRAMES) * (MOUSE_CURSOR_W * MOUSE_CURSOR_H)];
}
else
{
gfxPtr = &mouseCursors[mouseModeGfxOffs];
switch (shape)
{
case MOUSE_IDLE_SHAPE_NICE: gfxPtr += 0 * (MOUSE_CURSOR_W * MOUSE_CURSOR_H); break;
case MOUSE_IDLE_SHAPE_UGLY: gfxPtr += 1 * (MOUSE_CURSOR_W * MOUSE_CURSOR_H); break;
case MOUSE_IDLE_SHAPE_AWFUL: gfxPtr += 2 * (MOUSE_CURSOR_W * MOUSE_CURSOR_H); break;
case MOUSE_IDLE_SHAPE_USABLE: gfxPtr += 3 * (MOUSE_CURSOR_W * MOUSE_CURSOR_H); break;
case MOUSE_IDLE_TEXT_EDIT: gfxPtr += 12 * (MOUSE_CURSOR_W * MOUSE_CURSOR_H); break;
default: return;
}
}
mouseShape = shape;
changeSpriteData(SPRITE_MOUSE_POINTER, gfxPtr);
}
static void setTextEditMouse(void)
{
setMouseShape(MOUSE_IDLE_TEXT_EDIT);
mouse.xBias = -2;
mouse.yBias = -6;
if (config.specialFlags2 & HARDWARE_MOUSE && cIBeam != NULL)
SDL_SetCursor(cIBeam);
}
static void clearTextEditMouse(void)
{
setMouseShape(config.mouseType);
mouse.xBias = 0;
mouse.yBias = 0;
if (config.specialFlags2 & HARDWARE_MOUSE && cArrow != NULL)
SDL_SetCursor(cArrow);
}
static void changeCursorIfOverTextBoxes(void)
{
int16_t i, mx, my;
textBox_t *t;
mouse.mouseOverTextBox = false;
if (editor.busy || mouse.mode != MOUSE_MODE_NORMAL)
return;
mx = mouse.x;
my = mouse.y;
for (i = 0; i < NUM_TEXTBOXES; i++)
{
if (editor.ui.sysReqShown && i > 0)
continue;
t = &textBoxes[i];
if (!t->visible)
continue;
if (!t->changeMouseCursor && (!editor.editTextFlag || i != mouse.lastEditBox))
continue; // some kludge of sorts
if (my >= t->y && my < t->y+t->h && mx >= t->x && mx < t->x+t->w)
{
mouse.mouseOverTextBox = true;
setTextEditMouse();
return;
}
}
// we're not inside a text edit box, set back mouse cursor
if (i == NUM_TEXTBOXES && mouseShape == MOUSE_IDLE_TEXT_EDIT)
clearTextEditMouse();
}
void setMouseMode(uint8_t mode)
{
switch (mode)
{
case MOUSE_MODE_NORMAL: { mouse.mode = mode; mouseModeGfxOffs = 0 * (MOUSE_CURSOR_W * MOUSE_CURSOR_H); } break;
case MOUSE_MODE_DELETE: { mouse.mode = mode; mouseModeGfxOffs = 4 * (MOUSE_CURSOR_W * MOUSE_CURSOR_H); } break;
case MOUSE_MODE_RENAME: { mouse.mode = mode; mouseModeGfxOffs = 8 * (MOUSE_CURSOR_W * MOUSE_CURSOR_H); } break;
default: return;
}
setMouseShape(config.mouseType);
}
void resetMouseBusyAnimation(void)
{
mouseBusyGfxBackwards = false;
mouseBusyGfxFrame = 0;
}
void setMouseBusy(bool busy) // can be called from other threads
{
if (busy)
{
editor.ui.setMouseIdle = false;
editor.ui.setMouseBusy = true;
}
else
{
editor.ui.setMouseBusy = false;
editor.ui.setMouseIdle = true;
}
}
void mouseAnimOn(void)
{
editor.ui.setMouseBusy = false;
editor.ui.setMouseIdle = false;
editor.busy = true;
setMouseShape(config.mouseAnimType);
if (config.specialFlags2 & HARDWARE_MOUSE && cBusy != NULL)
SDL_SetCursor(cBusy);
}
void mouseAnimOff(void)
{
editor.ui.setMouseBusy = false;
editor.ui.setMouseIdle = false;
editor.busy = false;
setMouseShape(config.mouseType);
if (config.specialFlags2 & HARDWARE_MOUSE && cArrow != NULL)
SDL_SetCursor(cArrow);
}
static void mouseWheelDecRow(void)
{
int16_t pattPos;
if (songPlaying)
return;
pattPos = editor.pattPos - 1;
if (pattPos < 0)
pattPos = pattLens[editor.editPattern] - 1;
setPos(-1, pattPos);
}
static void mouseWheelIncRow(void)
{
int16_t pattPos;
if (songPlaying)
return;
pattPos = editor.pattPos + 1;
if (pattPos > (pattLens[editor.editPattern] - 1))
pattPos = 0;
setPos(-1, pattPos);
}
void mouseWheelHandler(bool directionUp)
{
if (editor.ui.sysReqShown || editor.editTextFlag)
return;
if (editor.ui.extended)
{
if (mouse.y <= 52)
{
if (mouse.x <= 111) directionUp ? decSongPos() : incSongPos();
else if (mouse.x >= 386) directionUp ? decCurIns() : incCurIns();
}
else
{
directionUp ? mouseWheelDecRow() : mouseWheelIncRow();
}
return;
}
if (mouse.y < 173)
{
// top screens
if (editor.ui.helpScreenShown)
{
// help screen
if (directionUp)
{
helpScrollUp();
helpScrollUp();
}
else
{
helpScrollDown();
helpScrollDown();
}
}
else if (editor.ui.diskOpShown)
{
// disk op - 3x speed
if (mouse.x <= 355)
{
if (directionUp)
{
pbDiskOpListUp();
pbDiskOpListUp();
pbDiskOpListUp();
}
else
{
pbDiskOpListDown();
pbDiskOpListDown();
pbDiskOpListDown();
}
}
}
else if (editor.ui.configScreenShown)
{
if (editor.currConfigScreen == CONFIG_SCREEN_IO_DEVICES)
{
// audio device selectors
if (mouse.x >= 110 && mouse.x <= 355 && mouse.y <= 173)
{
if (mouse.y < 87)
directionUp ? scrollAudOutputDevListUp() : scrollAudOutputDevListDown();
else
directionUp ? scrollAudInputDevListUp() : scrollAudInputDevListDown();
}
}
else if (editor.currConfigScreen == CONFIG_SCREEN_MIDI_INPUT)
{
// midi input device selector
if (mouse.x >= 110 && mouse.x <= 503 && mouse.y <= 173)
directionUp ? scrollMidiInputDevListUp() : scrollMidiInputDevListDown();
}
}
if (!editor.ui.aboutScreenShown && !editor.ui.helpScreenShown &&
!editor.ui.configScreenShown && !editor.ui.nibblesShown)
{
if (mouse.x >= 421 && mouse.y <= 173)
{
if (mouse.y <= 93) directionUp ? decCurIns() : incCurIns();
else if (mouse.y >= 94) directionUp ? decCurSmp() : incCurSmp();
}
else if (!editor.ui.diskOpShown && mouse.x <= 111 && mouse.y <= 76)
{
directionUp ? decSongPos() : incSongPos();
}
}
}
else
{
// bottom screens
if (editor.ui.sampleEditorShown)
{
if (mouse.y >= 174 && mouse.y <= 328)
directionUp ? mouseZoomSampleDataIn() : mouseZoomSampleDataOut();
}
else if (editor.ui.patternEditorShown)
{
directionUp ? mouseWheelDecRow() : mouseWheelIncRow();
}
}
}
static bool testSamplerDataMouseDown(void)
{
if (editor.ui.sampleEditorShown && mouse.y >= 174 && mouse.y <= 327 && editor.ui.sampleDataOrLoopDrag == -1)
{
handleSampleDataMouseDown(false);
return true;
}
return false;
}
static bool testPatternDataMouseDown(void)
{
uint16_t y1, y2;
if (editor.ui.patternEditorShown)
{
y1 = editor.ui.extended ? 56 : 176;
y2 = editor.ui.pattChanScrollShown ? 382 : 396;
if (mouse.y >= y1 && mouse.y <= y2 && mouse.x >= 29 && mouse.x <= 602)
{
handlePatternDataMouseDown(false);
return true;
}
}
return false;
}
void mouseButtonUpHandler(uint8_t mouseButton)
{
#ifndef __APPLE__
if (!video.fullscreen) // release mouse button trap
SDL_SetWindowGrab(video.window, SDL_FALSE);
#endif
if (mouseButton == SDL_BUTTON_LEFT)
{
mouse.leftButtonPressed = false;
mouse.leftButtonReleased = true;
if (editor.ui.leftLoopPinMoving)
{
setLeftLoopPinState(false);
editor.ui.leftLoopPinMoving = false;
}
if (editor.ui.rightLoopPinMoving)
{
setRightLoopPinState(false);
editor.ui.rightLoopPinMoving = false;
}
}
else if (mouseButton == SDL_BUTTON_RIGHT)
{
mouse.rightButtonPressed = false;
mouse.rightButtonReleased = true;
if (editor.editSampleFlag)
{
// right mouse button released after hand-editing sample data
if (instr[editor.curInstr] != NULL)
fixSample(&instr[editor.curInstr]->samp[editor.curSmp]);
resumeAudio();
if (editor.ui.sampleEditorShown)
writeSample(true);
setSongModifiedFlag();
editor.editSampleFlag = false;
}
}
mouse.firstTimePressingButton = false;
mouse.buttonCounter = 0;
editor.textCursorBlinkCounter = 0;
// if we used both mouse button at the same time and released *one*, don't release GUI object
if ( mouse.leftButtonPressed && !mouse.rightButtonPressed) return;
if (!mouse.leftButtonPressed && mouse.rightButtonPressed) return;
if (editor.ui.sampleEditorShown)
testSmpEdMouseUp();
mouse.lastX = 0;
mouse.lastY = 0;
editor.ui.sampleDataOrLoopDrag = -1;
// check if we released a GUI object
testDiskOpMouseRelease();
testPushButtonMouseRelease(true);
testCheckBoxMouseRelease();
testScrollBarMouseRelease();
testRadioButtonMouseRelease();
// revert "delete/rename" mouse modes (disk op.)
if (mouse.lastUsedObjectID != PB_DISKOP_DELETE && mouse.lastUsedObjectID != PB_DISKOP_RENAME)
{
if (mouse.mode != MOUSE_MODE_NORMAL)
setMouseMode(MOUSE_MODE_NORMAL);
}
mouse.lastUsedObjectID = OBJECT_ID_NONE;
mouse.lastUsedObjectType = OBJECT_NONE;
}
void mouseButtonDownHandler(uint8_t mouseButton)
{
#ifndef __APPLE__
if (!video.fullscreen) // trap mouse pointer while holding down left and/or right button
SDL_SetWindowGrab(video.window, SDL_TRUE);
#endif
// if already holding left button and clicking right, don't do mouse down handling
if (mouseButton == SDL_BUTTON_RIGHT && mouse.leftButtonPressed)
{
if (editor.ui.sampleDataOrLoopDrag == -1)
{
mouse.rightButtonPressed = true;
mouse.rightButtonReleased = false;
}
// kludge - we must do scope solo/unmute all here
if (!editor.ui.sysReqShown)
testScopesMouseDown();
return;
}
// if already holding right button and clicking left, don't do mouse down handling
if (mouseButton == SDL_BUTTON_LEFT && mouse.rightButtonPressed)
{
if (editor.ui.sampleDataOrLoopDrag == -1)
{
mouse.leftButtonPressed = true;
mouse.leftButtonReleased = false;
}
// kludge - we must do scope solo/unmute all here
if (!editor.ui.sysReqShown)
testScopesMouseDown();
return;
}
if (mouseButton == SDL_BUTTON_LEFT) mouse.leftButtonPressed = true;
else if (mouseButton == SDL_BUTTON_RIGHT) mouse.rightButtonPressed = true;
mouse.leftButtonReleased = false;
mouse.rightButtonReleased = false;
// mouse 0,0 = open exit dialog
if (mouse.x == 0 && mouse.y == 0 && quitBox(false) == 1)
{
editor.throwExit = true;
return;
}
// don't do mouse down testing here if we already are using an object
if (mouse.lastUsedObjectType != OBJECT_NONE)
return;
// kludge #2
if (mouse.lastUsedObjectType != OBJECT_PUSHBUTTON && mouse.lastUsedObjectID != OBJECT_ID_NONE)
return;
// kludge #3
if (!mouse.rightButtonPressed)
mouse.lastUsedObjectID = OBJECT_ID_NONE;
// check if we pressed a GUI object
/* test objects like this - clickable things *never* overlap, so no need to test all
** other objects if we clicked on one already */
testInstrSwitcherMouseDown(); // kludge: allow right click to both change ins. and edit text
if (testTextBoxMouseDown()) return;
if (testPushButtonMouseDown()) return;
if (testCheckBoxMouseDown()) return;
if (testScrollBarMouseDown()) return;
if (testRadioButtonMouseDown()) return;
// from this point, we don't need to test more widgets if a system request box is shown
if (editor.ui.sysReqShown)
return;
if (testInstrVolEnvMouseDown(false)) return;
if (testInstrPanEnvMouseDown(false)) return;
if (testDiskOpMouseDown(false)) return;
if (testPianoKeysMouseDown(false)) return;
if (testSamplerDataMouseDown()) return;
if (testPatternDataMouseDown()) return;
if (testScopesMouseDown()) return;
if (testAudioDeviceListsMouseDown()) return;
if (testMidiInputDeviceListMouseDown()) return;
}
void handleLastGUIObjectDown(void)
{
if (mouse.lastUsedObjectType == OBJECT_NONE)
return;
if (mouse.leftButtonPressed || mouse.rightButtonPressed)
{
if (mouse.lastUsedObjectID != OBJECT_ID_NONE)
{
switch (mouse.lastUsedObjectType)
{
case OBJECT_PUSHBUTTON: handlePushButtonsWhileMouseDown(); break;
case OBJECT_RADIOBUTTON: handleRadioButtonsWhileMouseDown(); break;
case OBJECT_CHECKBOX: handleCheckBoxesWhileMouseDown(); break;
case OBJECT_SCROLLBAR: handleScrollBarsWhileMouseDown(); break;
case OBJECT_TEXTBOX: handleTextBoxWhileMouseDown(); break;
default: break;
}
}
else
{
// test non-standard GUI elements
switch (mouse.lastUsedObjectType)
{
case OBJECT_INSTRSWITCH: testInstrSwitcherMouseDown(); break;
case OBJECT_PATTERNMARK: handlePatternDataMouseDown(true); break;
case OBJECT_DISKOPLIST: testDiskOpMouseDown(true); break;
case OBJECT_SMPDATA: handleSampleDataMouseDown(true); break;
case OBJECT_PIANO: testPianoKeysMouseDown(true); break;
case OBJECT_INSVOLENV: testInstrVolEnvMouseDown(true); break;
case OBJECT_INSPANENV: testInstrPanEnvMouseDown(true); break;
default: break;
}
}
}
}
void updateMouseScaling(void)
{
double dScaleX, dScaleY;
dScaleX = video.renderW / (double)SCREEN_W;
dScaleY = video.renderH / (double)SCREEN_H;
video.xScaleMul = (dScaleX == 0.0) ? 65536 : (uint32_t)round(65536.0 / dScaleX);
video.yScaleMul = (dScaleY == 0.0) ? 65536 : (uint32_t)round(65536.0 / dScaleY);
}
void readMouseXY(void)
{
int16_t x, y;
int32_t mx, my;
if (mouse.setPosFlag)
{
mouse.setPosFlag = false;
if (SDL_GetWindowFlags(video.window) & SDL_WINDOW_SHOWN)
SDL_WarpMouseInWindow(video.window, mouse.setPosX, mouse.setPosY);
return;
}
SDL_PumpEvents(); // gathers all pending input from devices into the event queue (less mouse lag)
SDL_GetMouseState(&mx, &my);
/* in centered fullscreen mode, trap the mouse inside the framed image
** and subtract the coords to match the OS mouse position (fixes touch from touchscreens) */
if (video.fullscreen && !(config.windowFlags & FILTERING))
{
if (mx < video.renderX)
{
mx = video.renderX;
SDL_WarpMouseInWindow(video.window, mx, my);
}
else if (mx >= video.renderX+video.renderW)
{
mx = (video.renderX + video.renderW) - 1;
SDL_WarpMouseInWindow(video.window, mx, my);
}
if (my < video.renderY)
{
my = video.renderY;
SDL_WarpMouseInWindow(video.window, mx, my);
}
else if (my >= video.renderY+video.renderH)
{
my = (video.renderY + video.renderH) - 1;
SDL_WarpMouseInWindow(video.window, mx, my);
}
mx -= video.renderX;
my -= video.renderY;
}
if (mx < 0) mx = 0;
if (my < 0) mx = 0;
// multiply coords by video scaling factors
mx = (((uint32_t)mx * video.xScaleMul) + (1 << 15)) >> 16; // rounded
my = (((uint32_t)my * video.yScaleMul) + (1 << 15)) >> 16;
if (mx >= SCREEN_W) mx = SCREEN_W - 1;
if (my >= SCREEN_H) my = SCREEN_H - 1;
if (config.specialFlags2 & HARDWARE_MOUSE)
{
// hardware mouse (OS)
mouse.x = (int16_t)mx;
mouse.y = (int16_t)my;
hideSprite(SPRITE_MOUSE_POINTER);
}
else
{
// software mouse (FT2 mouse)
x = (int16_t)mx;
y = (int16_t)my;
mouse.x = x;
mouse.y = y;
// for text editing cursor (do this after clamp)
x += mouse.xBias;
y += mouse.yBias;
if (x < 0) x = 0;
if (y < 0) y = 0;
setSpritePos(SPRITE_MOUSE_POINTER, x, y);
}
changeCursorIfOverTextBoxes();
}