/*
  bug.n -- tiling window management
  Copyright (c) 2010-2012 Joshua Fuhs, joten
  
  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 3 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, see <http://www.gnu.org/licenses/>.
  
  @version 8.3.0
*/

Monitor_init(m, doRestore) 
{
  Global
  
  Monitor_#%m%_aView_#1 := 1
  Monitor_#%m%_aView_#2 := 1
  Monitor_#%m%_showBar  := Config_showBar
  Loop, % Config_viewCount 
  {
    View_init(m, A_Index)
  }
  If doRestore
    Config_restoreLayout(Main_autoLayout, m)
  Else
    Config_restoreLayout(Config_filePath, m)
  Monitor_getWorkArea(m)
  Bar_init(m)
}

Monitor_activateView(v) 
{
  Local aView, aWndId, m, n, wndId, wndIds
  
  If (v = -1)
    v := Monitor_#%Manager_aMonitor%_aView_#2
  Else If (v = ">")
    v := Manager_loop(Monitor_#%Manager_aMonitor%_aView_#1, +1, 1, Config_viewCount)
  Else If (v = "<")
    v := Manager_loop(Monitor_#%Manager_aMonitor%_aView_#1, -1, 1, Config_viewCount)
  
  Debug_logMessage("DEBUG[1] Monitor_activateView(" . v . ") Manager_aMonitor: " . Manager_aMonitor . "; wndIds: " . View_#%Manager_aMonitor%_#%v%_wndIds, 1)
  If (v <= 0) Or (v > Config_viewCount) Or Manager_hideShow
    Return
  ;; Re-arrange the windows on the active view.
  If (v = Monitor_#%Manager_aMonitor%_aView_#1) 
  {
    View_arrange(Manager_aMonitor, v)
    Return
  }
  
  aView := Monitor_#%Manager_aMonitor%_aView_#1
  aWndId := View_getActiveWindow(Manager_aMonitor, aView)
  If aWndId
    View_#%Manager_aMonitor%_#%aView%_aWndId := aWndId
  
  n := Config_syncMonitorViews
  If (n = 1)
    n := Manager_monitorCount
  Else If (n < 1)
    n := 1
  Loop, % n 
  {
    If (n = 1)
      m := Manager_aMonitor
    Else
      m := A_Index
    
    Monitor_#%m%_aView_#2 := aView
    Monitor_#%m%_aView_#1 := v    
    Manager_hideShow := True
    SetWinDelay, 0
    StringTrimRight, wndIds, View_#%m%_#%aView%_wndIds, 1
    Loop, PARSE, wndIds, `; 
    {
      If Not (Manager_#%A_LoopField%_tags & (1 << v - 1))
        Manager_winHide(A_LoopField)
    }
    SetWinDelay, 10
    DetectHiddenWindows, On
    View_arrange(m, v)
    DetectHiddenWindows, Off
    StringTrimRight, wndIds, View_#%m%_#%v%_wndIds, 1
    SetWinDelay, 0
    Loop, PARSE, wndIds, `; 
    {
      Manager_winShow(A_LoopField)
    }
    SetWinDelay, 10
    Manager_hideShow := False
    
    Bar_updateView(m, aView)
    Bar_updateView(m, v)
  }
  
  wndId := View_#%Manager_aMonitor%_#%v%_aWndId
  If Not (wndId And WinExist("ahk_id" wndId)) 
  {
    If View_#%Manager_aMonitor%_#%v%_wndIds 
    {
      wndId := SubStr(View_#%Manager_aMonitor%_#%v%_wndIds, 1, InStr(View_#%Manager_aMonitor%_#%v%_wndIds, ";")-1)
      View_#%Manager_aMonitor%_#%v%_aWndId := wndId
    } 
    Else
      wndId := 0
  }
  Manager_winActivate(wndId)
}

Monitor_get(x, y) 
{
  Local m
  
  m := 0
  Loop, % Manager_monitorCount 
  {    ;; Check if the window is on this monitor.
    If (x >= Monitor_#%A_Index%_x && x <= Monitor_#%A_Index%_x+Monitor_#%A_Index%_width && y >= Monitor_#%A_Index%_y && y <= Monitor_#%A_Index%_y+Monitor_#%A_Index%_height) 
    {
      m := A_Index
      Break
    }
  }
  
  Return, m
}

Monitor_getWorkArea(m) 
{
  Local bTop, x, y
  Local monitor, monitorBottom, monitorLeft, monitorRight, monitorTop
  Local wndClasses, wndHeight, wndId, wndWidth, wndX, wndY
  
  SysGet, monitor, Monitor, %m%
  
  wndClasses := "Shell_TrayWnd"
  If Config_bbCompatibility
    wndClasses .= ";bbLeanBar;bbSlit;BBToolbar;SystemBarEx"
  Loop, PARSE, wndClasses, `;
  {
    wndId := WinExist("ahk_class " A_LoopField)
    If wndId 
    {
      WinGetPos, wndX, wndY, wndWidth, wndHeight, ahk_id %wndId%
      x := wndX + wndWidth / 2
      y := wndY + wndHeight / 2
      If (x >= monitorLeft && x <= monitorRight && y >= monitorTop && y <= monitorBottom) 
      {
        If (A_LoopField = "Shell_TrayWnd")
          Manager_taskBarMonitor := m
        
        If (wndHeight < wndWidth) 
        {    ;; Horizontal
          If (wndY <= monitorTop) 
          {      ;; Top
            wndHeight += wndY - monitorTop
            monitorTop += wndHeight
            If (A_LoopField = "Shell_TrayWnd")
              Manager_taskBarPos := "top"
          } 
          Else 
          {      ;; Bottom
            wndHeight := monitorBottom - wndY
            monitorBottom -= wndHeight
          }
        } 
        Else 
        {    ;; Vertical
          If (wndX <= monitorLeft) 
          {      ;; Left
            wndWidth += wndX
            monitorLeft += wndWidth
          } 
          Else 
          {      ;; Right
            wndWidth := monitorRight - wndX
            monitorRight -= wndWidth
          }
        }
      }
    }
  }
  bTop := 0
  If Monitor_#%m%_showBar 
  {
    If (Config_verticalBarPos = "top" Or (Config_verticalBarPos = "tray" And Not m = Manager_taskBarMonitor)) 
    {
      bTop := monitorTop
      monitorTop += Bar_height
    } 
    Else If (Config_verticalBarPos = "bottom") 
    {
      bTop := monitorBottom - Bar_height
      monitorBottom -= Bar_height
    }
  }
  
  Monitor_#%m%_height := monitorBottom - monitorTop
  Monitor_#%m%_width  := monitorRight - monitorLeft
  Monitor_#%m%_x      := monitorLeft
  Monitor_#%m%_y      := monitorTop
  Monitor_#%m%_barY   := bTop
}

Monitor_moveWindow(m, wndId) 
{
  Global
  
  Manager_#%wndId%_monitor := m
}

Monitor_setWindowTag(t) 
{
  Local aView, aWndId, wndId
  
  If (t = ">")
    t := Manager_loop(Monitor_#%Manager_aMonitor%_aView_#1, +1, 1, Config_viewCount)
  Else If (t = "<")
    t := Manager_loop(Monitor_#%Manager_aMonitor%_aView_#1, -1, 1, Config_viewCount)
  
  WinGet, aWndId, ID, A
  If (InStr(Manager_managedWndIds, aWndId ";") And t >= 0 And t <= Config_viewCount) 
  {
    If (t = 0) 
    {
      Loop, % Config_viewCount 
      {
        If Not (Manager_#%aWndId%_tags & (1 << A_Index - 1)) 
        {
          View_#%Manager_aMonitor%_#%A_Index%_wndIds := aWndId ";" View_#%Manager_aMonitor%_#%A_Index%_wndIds
          View_#%Manager_aMonitor%_#%A_Index%_aWndId := aWndId
          Bar_updateView(Manager_aMonitor, A_Index)
          Manager_#%aWndId%_tags += 1 << A_Index - 1
        }
      }
    } 
    Else 
    {
      Loop, % Config_viewCount 
      {
        If Not (A_index = t) 
        {
          StringReplace, View_#%Manager_aMonitor%_#%A_Index%_wndIds, View_#%Manager_aMonitor%_#%A_Index%_wndIds, %aWndId%`;, 
          View_#%Manager_aMonitor%_#%A_Index%_aWndId := 0
          Bar_updateView(Manager_aMonitor, A_Index)
        }
      }
      
      If Not (Manager_#%aWndId%_tags & (1 << t - 1))
        View_#%Manager_aMonitor%_#%t%_wndIds := aWndId ";" View_#%Manager_aMonitor%_#%t%_wndIds
      View_#%Manager_aMonitor%_#%t%_aWndId := aWndId
      Manager_#%aWndId%_tags := 1 << t - 1
      
      aView := Monitor_#%Manager_aMonitor%_aView_#1
      If Not (t = aView) 
      {
        Manager_hideShow := True
        wndId := SubStr(View_#%Manager_aMonitor%_#%aView%_wndIds, 1, InStr(View_#%Manager_aMonitor%_#%aView%_wndIds, ";")-1)
        Manager_winActivate(wndId)
        Manager_hideShow := False
        If Config_viewFollowsTagged
          Monitor_activateView(t)
        Else 
        {
          Manager_hideShow := True
          Manager_winHide(aWndId)
          Manager_hideShow := False
          View_arrange(Manager_aMonitor, aView)
          Bar_updateView(Manager_aMonitor, t)
        }
      }
    }
  }
}

Monitor_toggleBar() 
{
  Global
  
  Monitor_#%Manager_aMonitor%_showBar := Not Monitor_#%Manager_aMonitor%_showBar
  Bar_toggleVisibility(Manager_aMonitor)
  Monitor_getWorkArea(Manager_aMonitor)
  View_arrange(Manager_aMonitor, Monitor_#%Manager_aMonitor%_aView_#1)
  Manager_winActivate(Bar_aWndId)
}

Monitor_toggleTaskBar() 
{
  Local m
  
  m := Manager_aMonitor
  If (m = Manager_taskBarMonitor) 
  {
    Manager_showTaskBar := Not Manager_showTaskBar
    Manager_hideShow := True
    If Not Manager_showTaskBar 
    {
      WinHide, Start ahk_class Button
      WinHide, ahk_class Shell_TrayWnd
    } 
    Else 
    {
      WinShow, Start ahk_class Button
      WinShow, ahk_class Shell_TrayWnd
    }
    Manager_hideShow := False
    Monitor_getWorkArea(m)
    Bar_move(m)
    View_arrange(m, Monitor_#%m%_aView_#1)
  }
}

Monitor_toggleWindowTag(t) 
{
  Local aWndId, wndId
  
  WinGet, aWndId, ID, A
  If (InStr(Manager_managedWndIds, aWndId ";") And t >= 0 And t <= Config_viewCount) 
  {
    If (Manager_#%aWndId%_tags & (1 << t - 1)) 
    {
      If Not ((Manager_#%aWndId%_tags - (1 << t - 1)) = 0) 
      {
        Manager_#%aWndId%_tags -= 1 << t - 1
        StringReplace, View_#%Manager_aMonitor%_#%t%_wndIds, View_#%Manager_aMonitor%_#%t%_wndIds, %aWndId%`;, 
        Bar_updateView(Manager_aMonitor, t)
        If (t = Monitor_#%Manager_aMonitor%_aView_#1) 
        {
          Manager_hideShow := True
          Manager_winHide(aWndId)
          Manager_hideShow := False
          wndId := SubStr(View_#%Manager_aMonitor%_#%t%_wndIds, 1, InStr(View_#%Manager_aMonitor%_#%t%_wndIds, ";")-1)
          Manager_winActivate(wndId)
          View_arrange(Manager_aMonitor, t)
        }
      }
    } 
    Else 
    {
      View_#%Manager_aMonitor%_#%t%_wndIds := aWndId ";" View_#%Manager_aMonitor%_#%t%_wndIds
      View_#%Manager_aMonitor%_#%t%_aWndId := aWndId
      Bar_updateView(Manager_aMonitor, t)
      Manager_#%aWndId%_tags += 1 << t - 1
    }
  }
}