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Snapper.c
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Snapper.c
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#include "stdafx.h"
#include "sides.h"
#include "snapper.h"
#include "snap_lib_internal.h"
#include "snap_testers.h"
#include "snap_WinRects.h"
#include "snap_MouseSpeed.h"
#include "snap_TrackResults.h"
#include "snap_Crop.h"
#include "snap_CenterSize.h"
#include "snap_EqualSize.h"
#include "snap_mywm_msg.h"
static int g_threshold=10;
BOOL g_movingSnapped = FALSE;
BOOL g_sizingSnapped = FALSE;
BOOL g_justStarted = TRUE;
static int g_fast_speed = 10;
static int g_x_offset_at_snap = 0;
static int g_y_offset_at_snap = 0;
static RECT g_rect_at_snap={0,0,0,0};
static POINT g_cursor_at_snap={0,0};
//forward declarations
void capture_state_at_snap (LPCRECT p_unsnapped);
void calc_unsnapped_pos(LPCRECT pcurrent_rect, LPRECT pRect);
void DoMovingOrSizing(HWND hWnd, WPARAM which_edge,LPRECT pRect,BOOL is_sizing);
BOOL isToggled(void);
void reposition(LPCRECT p_unsnapped, SNAP_RESULTS * p_snap, LPRECT pRect);
void resize(SNAP_RESULTS * p_snap, LPRECT pRect);
BOOL isMovingSnapped(void);
void setMovingSnapped(BOOL snapped);
void capture_state_at_snap (LPCRECT p_unsnapped)
{
POINT cursor_at_snap;
GetCursorPos(&cursor_at_snap);
g_cursor_at_snap = cursor_at_snap;
g_x_offset_at_snap = p_unsnapped->left - cursor_at_snap.x;
g_y_offset_at_snap = p_unsnapped->top - cursor_at_snap.y;
}
void calc_unsnapped_pos(LPCRECT pcurrent_rect,LPRECT pRect){
int nWidth;
int nHeight;
RECT temp_rect;
POINT cursor_now;
if (isMovingSnapped()){
//move the rect that we are going to test for
//snap to where it would be if it wasn't snapped
temp_rect = *pcurrent_rect;
GetCursorPos(&cursor_now);
nWidth = temp_rect.right - temp_rect.left;
nHeight = temp_rect.bottom - temp_rect.top;
temp_rect.top = cursor_now.y + g_y_offset_at_snap;
temp_rect.left = cursor_now.x + g_x_offset_at_snap;
temp_rect.bottom = cursor_now.y + g_y_offset_at_snap + nHeight;
temp_rect.right = cursor_now.x + g_x_offset_at_snap + nWidth;
*pRect = temp_rect;
}
else{
*pRect = *pcurrent_rect;
}
}
INLINE BOOL isToggled(void){
//#ifdef ALLSNAP_TOGGLEMODE
return ( (GetAsyncKeyState(getToggleKey())==0) == isDisableToggle());
//#else
// return ( GetAsyncKeyState(getToggleKey())==0);
//#endif
}
void snapper_OnMoving(HWND hWnd, LPRECT pRect)
{
TEST_RECTS test_rects;
RECT unsnapped_position;
SNAP_RESULTS snap_results;
CROP_INFO crop_info;
calc_unsnapped_pos(pRect,&unsnapped_position);
if (isToggled()){
WinRects_getRects(& test_rects);
Crop_LoadMovingCropInfo(&crop_info,hWnd,&unsnapped_position);
moving_test_all(
Crop_GetPCroppedRect(&crop_info),
getWinThresh(),
getScreenThresh(),
&test_rects,
&snap_results
);
Crop_UnCropMovingResults(&crop_info,&snap_results);
reposition(&unsnapped_position,&snap_results,pRect);
}
else{
DBG_MSG(g_hWnd_app,DBGMSG_MOVING_TOGGLEDOFF);
clear_snap_results (&snap_results);
reposition(&unsnapped_position,&snap_results,pRect);
}
MouseSpeed_Track();
TrackRslts_Track(&snap_results);
//DBG_MSG(g_hWnd_app,DBGMSG_MOVING_END);
}
void snapper_OnSizing(HWND hWnd, WPARAM which_edge,LPRECT pRect){
TEST_RECTS test_rects;
SNAP_RESULTS snap_results;
BOOL was_center_sizing = isCentered();
BOOL was_equal_sizing = isEqualing();
MouseSpeed_Track();
if (isToggled()){
RECT cropped_rect;
//RECT alt_sizing_pos;
enum SIDE v_side = SIDE_NONE;
enum SIZE h_side = SIDE_NONE;
split_edge(which_edge,&v_side,&h_side);
WinRects_getRects(& test_rects);
Crop_CropSizingRect(pRect,v_side,h_side,&cropped_rect);
if (was_equal_sizing){
EqualSize_Adjust(&cropped_rect,v_side,h_side);
}
if (was_center_sizing){
CenterSize_Adjust(&cropped_rect,v_side,h_side);
}
sizing_test_all(
v_side,
h_side,
&cropped_rect,
getWinThresh(),
getScreenThresh(),
&test_rects,
&snap_results,
was_center_sizing
);
DBG_MSG_SR(g_hWnd_app,DBGMSG_BEFORE_CROP,snap_results);
Crop_UnCropSizingResults(&snap_results);
DBG_MSG_SR(g_hWnd_app,DBGMSG_AFTER_CROP,snap_results);
resize(&snap_results,pRect);
if (was_center_sizing || was_equal_sizing){
if(snap_results.h.side != SIDE_NONE){
h_side = snap_results.h.side;
}
if(snap_results.v.side != SIDE_NONE){
v_side = snap_results.v.side;
}
}
if(was_center_sizing){
CenterSize_Adjust(pRect,v_side,h_side);
}
if(was_equal_sizing){
EqualSize_Adjust(pRect,v_side,h_side);
}
}
else{
DBG_MSG(g_hWnd_app,DBGMSG_SIZING_TOGGLEDOFF);
clear_snap_results (&snap_results);
}
MouseSpeed_Track();
TrackRslts_Track(&snap_results);
//DBG_MSG(g_hWnd_app,DBGMSG_SIZING_END);
}
void reposition_side(LPCRECT p_unsnapped, SIDE_SNAP_RESULTS * p_ssnap,
SIDE_SNAP_RESULTS * p_last_ssnap, LPRECT pRect){
enum SIDES side = p_ssnap->side;
enum SIDES last_side = p_last_ssnap->side;
if (side != SIDE_NONE){
AlignToSide(pRect,side,p_ssnap->value);
DBG_MSG_SIDE_VAL(g_hWnd_app,DBGMSG_REPOS,p_ssnap->side,p_ssnap->value);
}
else if (last_side != SIDE_NONE) // unsnap
{
DBG_MSG_SIDE_VAL(g_hWnd_app,DBGMSG_UNSNAP_SIDE,last_side,GetSideOfRect(last_side, p_unsnapped));
AlignToSide(
pRect,
last_side,
GetSideOfRect(last_side, p_unsnapped)
);
}
}
void reposition(LPCRECT p_unsnapped, SNAP_RESULTS * p_snap, LPRECT pRect){
PSNAP_RESULTS p_last_snap = TrackRslts_GetLast();
if (NO_SNAP(*p_snap)){
if (isMovingSnapped()){ //if just unsnapped reset to unsnapped position
setMovingSnapped(FALSE);
*pRect = *p_unsnapped;
DBG_MSG(g_hWnd_app,DBGMSG_UNSNAP);
}
}
else{ // at least one side got snapped
if(!isMovingSnapped())
{
capture_state_at_snap(p_unsnapped);
setMovingSnapped(TRUE);
}
reposition_side(p_unsnapped,&(p_snap->h),&(p_last_snap->h),pRect);
reposition_side(p_unsnapped,&(p_snap->v),&(p_last_snap->v),pRect);
}
}
void resize(SNAP_RESULTS * p_snap, LPRECT pRect){
if (p_snap->v.side != SIDE_NONE){
DBG_MSG_SIDE_VAL(g_hWnd_app,DBGMSG_RESIZE,p_snap->v.side,p_snap->v.value);
SetSideOfRect((p_snap->v.side),(p_snap->v.value),pRect);
}
if (p_snap->h.side != SIDE_NONE){
DBG_MSG_SIDE_VAL(g_hWnd_app,DBGMSG_RESIZE,p_snap->h.side,p_snap->h.value);
SetSideOfRect((p_snap->h.side),(p_snap->h.value),pRect);
}
}
BOOL isMovingSnapped(void){
return g_movingSnapped;
}
void setMovingSnapped(BOOL snapped){
g_movingSnapped=snapped;
}
void snapper_OnEnterSizeMove(HWND hWnd){
WinRects_Refresh(getSnapType(),hWnd);
setMovingSnapped(FALSE);
Crop_LoadSizingInfo(hWnd);
CenterSize_Init(hWnd);
EqualSize_Init(hWnd);
MouseSpeed_Reset();
TrackRslts_Reset();
}
/*
void snapper_OnWindowPosChanging(HWND hWnd, LPWINDOWPOS pWindowPos){
if (! (pWindowPos->flags & SWP_NOMOVE)){
RECT rc;
int width = rc.right - rc.left;
int height = rc.bottom - rc.top;
rc.left = pWindowPos->x;
rc.right = pWindowPos->x + width;
rc.top = pWindowPos->y;
rc.bottom = pWindowPos->y + height;
GetWindowRect(hWnd,&rc); //does this have the current position?
snapper_OnMoving(hWnd,&rc);
pWindowPos->x = rc.left;
pWindowPos->y = rc.top;
}
else if ( ! ( (pWindowPos->flags) & SWP_NOSIZE)){
RECT rc;
WPARAM allEdges = (WMSZ_TOPRIGHT | WMSZ_BOTTOMLEFT);
GetWindowRect(hWnd,&rc);
snapper_OnSizing(hWnd,allEdges,&rc);
pWindowPos->cx = rc.right - rc.left;
pWindowPos->cy = rc.bottom - rc.top;
}
}*/