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PBMap/Multiple-PBMaps-Demo.pb
djes 00d7cdceb7 Demo separated from module
2021-01-17 11:30:57 +01:00

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; Based on the orginal PBMap example (delivered with the package in Feb. 2018), this is an example with
; less functionality, but with 2 different Canvas Map gadgets placed in 2 tabs of a PanelGadget...
; (for testing purposes related to my GeoWorldEditor)
;
; Author: André Beer
; Last change: 26. Feb. 2018
; Modified by djes : 01. March 2018
; Adapted to new PBMap syntax by André: 02. March 2018
;
; ****************************************************************
;
;- Example of application
;
; ****************************************************************
XIncludeFile "PBMap.pb"
CompilerIf #PB_Compiler_Thread = #False
MessageRequester("Warning !", "You must enable 'Create ThreadSafe Executable' in compiler options", #PB_MessageRequester_Ok )
End
CompilerEndIf
EnableExplicit
InitNetwork()
Enumeration
#Window_0
#Map
#Gdt_Left
#Gdt_Right
#Gdt_Up
#Gdt_Down
#Button_4
#Button_5
#Combo_0
#Text_0
#Text_1
#Text_2
#Text_3
#Text_4
#StringLatitude
#StringLongitude
#Gdt_AddMarker
#Gdt_Degrees
#Gdt_ClearDiskCache
#TextGeoLocationQuery
#StringGeoLocationQuery
; Additions for a 2nd panel:
#PanelGadget
#Map2_Canvas
#Map2_Move
#Map2_Left
#Map2_Right
#Map2_Up
#Map2_Down
#Map2_Zoom
#Map2_ZoomIn
#Map2_ZoomOut
#Map2_LatitudeText
#Map2_StringLatitude
#Map2_LongitudeText
#Map2_StringLongitude
EndEnumeration
; Menu events
Enumeration
#MenuEventLonLatStringEnter
#MenuEventGeoLocationStringEnter
EndEnumeration
Structure Location
Longitude.d
Latitude.d
EndStructure
Procedure UpdateLocation(*Location.Location)
SetGadgetText(#StringLatitude, StrD(*Location\Latitude))
SetGadgetText(#StringLongitude, StrD(*Location\Longitude))
ProcedureReturn 0
EndProcedure
; This callback demonstration procedure will receive relative coords from canvas
Procedure MyMarker(x.i, y.i, Focus = #False, Selected = #False)
Protected color = RGBA(0, 255, 0, 255)
MovePathCursor(x, y)
AddPathLine(-16,-32,#PB_Path_Relative)
AddPathCircle(16,0,16,180,0,#PB_Path_Relative)
AddPathLine(-16,32,#PB_Path_Relative)
VectorSourceColor(color)
FillPath(#PB_Path_Preserve)
If Focus
VectorSourceColor(RGBA($FF, $FF, 0, $FF))
StrokePath(2)
ElseIf Selected
VectorSourceColor(RGBA($FF, $FF, 0, $FF))
StrokePath(3)
Else
VectorSourceColor(RGBA(0, 0, 0, 255))
StrokePath(1)
EndIf
EndProcedure
Procedure MarkerMoveCallBack(*Marker.PBMap::Marker)
Debug "Identifier : " + *Marker\Identifier + "(" + StrD(*Marker\GeographicCoordinates\Latitude) + ", " + StrD(*Marker\GeographicCoordinates\Longitude) + ")"
EndProcedure
; Example of a custom procedure to alter tile rendering
Procedure DrawTileCallBack(x.i, y.i, image.i, alpha.d)
MovePathCursor(x, y)
DrawVectorImage(ImageID(image), 255 * alpha)
EndProcedure
; Example of a custom procedure to alter tile file just after loading
Procedure.s ModifyTileFileCallback(CacheFile.s, OrgURL.s)
Protected ImgNB = LoadImage(#PB_Any, CacheFile)
If ImgNB
StartDrawing(ImageOutput(ImgNB))
DrawText(0, 0,"PUREBASIC", RGB(255, 255, 0))
StopDrawing()
;*** Could be used to create new files
; Cachefile = ReplaceString(Cachefile, ".png", "_PB.png")
;***
If SaveImage(ImgNB, CacheFile, #PB_ImagePlugin_PNG, 0, 32) ;Warning, the 32 is mandatory as some tiles aren't correctly rendered
; Send back the new name (not functional by now)
ProcedureReturn CacheFile
EndIf
EndIf
EndProcedure
Procedure MainPointer(x.i, y.i)
VectorSourceColor(RGBA(255, 255,255, 255)) : AddPathCircle(x, y,32) : StrokePath(1)
VectorSourceColor(RGBA(0, 0, 0, 255)) : AddPathCircle(x, y, 29):StrokePath(2)
EndProcedure
Procedure ResizeAll()
Protected PanelTabHeight = GetGadgetAttribute(#PanelGadget, #PB_Panel_TabHeight)
ResizeGadget(#PanelGadget, #PB_Ignore, #PB_Ignore, WindowWidth(#Window_0), WindowHeight(#Window_0)-PanelTabHeight)
Protected PanelItemWidth = GetGadgetAttribute(#PanelGadget, #PB_Panel_ItemWidth)
Protected PanelItemHeight = GetGadgetAttribute(#PanelGadget, #PB_Panel_ItemHeight)
; First tab:
ResizeGadget(#Map, 10, 10, PanelItemWidth-198, PanelItemHeight-59)
ResizeGadget(#Text_1, PanelItemWidth-170, #PB_Ignore, #PB_Ignore, #PB_Ignore)
ResizeGadget(#Gdt_Left, PanelItemWidth-150, #PB_Ignore, #PB_Ignore, #PB_Ignore)
ResizeGadget(#Gdt_Right, PanelItemWidth-90, #PB_Ignore, #PB_Ignore, #PB_Ignore)
ResizeGadget(#Gdt_Up, PanelItemWidth-120, #PB_Ignore, #PB_Ignore, #PB_Ignore)
ResizeGadget(#Gdt_Down, PanelItemWidth-120, #PB_Ignore, #PB_Ignore, #PB_Ignore)
ResizeGadget(#Text_2, PanelItemWidth-170, #PB_Ignore, #PB_Ignore, #PB_Ignore)
ResizeGadget(#Button_4, PanelItemWidth-150, #PB_Ignore, #PB_Ignore, #PB_Ignore)
ResizeGadget(#Button_5, PanelItemWidth-100, #PB_Ignore, #PB_Ignore, #PB_Ignore)
ResizeGadget(#Text_3, PanelItemWidth-170, #PB_Ignore, #PB_Ignore, #PB_Ignore)
ResizeGadget(#StringLatitude, PanelItemWidth-120, #PB_Ignore, #PB_Ignore, #PB_Ignore)
ResizeGadget(#StringLongitude, PanelItemWidth-120, #PB_Ignore, #PB_Ignore, #PB_Ignore)
ResizeGadget(#Text_4, PanelItemWidth-170, #PB_Ignore, #PB_Ignore, #PB_Ignore)
ResizeGadget(#Gdt_AddMarker, PanelItemWidth-170, #PB_Ignore, #PB_Ignore, #PB_Ignore)
ResizeGadget(#Gdt_Degrees, PanelItemWidth-170, #PB_Ignore, #PB_Ignore, #PB_Ignore)
ResizeGadget(#Gdt_ClearDiskCache, PanelItemWidth-170, #PB_Ignore, #PB_Ignore, #PB_Ignore)
ResizeGadget(#TextGeoLocationQuery, PanelItemWidth-170, #PB_Ignore, #PB_Ignore, #PB_Ignore)
ResizeGadget(#StringGeoLocationQuery, PanelItemWidth-170, #PB_Ignore, #PB_Ignore, #PB_Ignore)
; Second tab:
ResizeGadget(#Map2_Canvas, 10, 10, PanelItemWidth-198, PanelItemHeight-59)
ResizeGadget(#Map2_Move, PanelItemWidth-170, #PB_Ignore, #PB_Ignore, #PB_Ignore)
ResizeGadget(#Map2_Left, PanelItemWidth-150, #PB_Ignore, #PB_Ignore, #PB_Ignore)
ResizeGadget(#Map2_Right, PanelItemWidth-90, #PB_Ignore, #PB_Ignore, #PB_Ignore)
ResizeGadget(#Map2_Up, PanelItemWidth-120, #PB_Ignore, #PB_Ignore, #PB_Ignore)
ResizeGadget(#Map2_Down, PanelItemWidth-120, #PB_Ignore, #PB_Ignore, #PB_Ignore)
ResizeGadget(#Map2_Zoom, PanelItemWidth-170, #PB_Ignore, #PB_Ignore, #PB_Ignore)
ResizeGadget(#Map2_ZoomIn, PanelItemWidth-150, #PB_Ignore, #PB_Ignore, #PB_Ignore)
ResizeGadget(#Map2_ZoomOut, PanelItemWidth-100, #PB_Ignore, #PB_Ignore, #PB_Ignore)
ResizeGadget(#Map2_LatitudeText, PanelItemWidth-170, #PB_Ignore, #PB_Ignore, #PB_Ignore)
ResizeGadget(#Map2_StringLatitude, PanelItemWidth-120, #PB_Ignore, #PB_Ignore, #PB_Ignore)
ResizeGadget(#Map2_LongitudeText, PanelItemWidth-170, #PB_Ignore, #PB_Ignore, #PB_Ignore)
ResizeGadget(#Map2_StringLongitude, PanelItemWidth-120, #PB_Ignore, #PB_Ignore, #PB_Ignore)
; Refresh the PBMap:
PBMap::Refresh(#Map)
PBMap::Refresh(#Map2_Canvas)
EndProcedure
;- MAIN TEST
If OpenWindow(#Window_0, 260, 225, 720, 595, "PBMap", #PB_Window_SystemMenu | #PB_Window_MinimizeGadget | #PB_Window_TitleBar | #PB_Window_ScreenCentered | #PB_Window_SizeGadget)
; ***
Define Event.i, Gadget.i, Quit.b = #False
Define pfValue.d
Define Degrees = 1
Define *Track
Define a, ActivePanel
LoadFont(0, "Arial", 12)
LoadFont(1, "Arial", 12, #PB_Font_Bold)
LoadFont(2, "Arial", 8)
PanelGadget(#PanelGadget, 0, 0, 720, 595)
AddGadgetItem(#PanelGadget, 0, "Map 1")
TextGadget(#Text_1, 530, 10, 60, 15, "Movements")
ButtonGadget(#Gdt_Left, 550, 60, 30, 30, Chr($25C4)) : SetGadgetFont(#Gdt_Left, FontID(0))
ButtonGadget(#Gdt_Right, 610, 60, 30, 30, Chr($25BA)) : SetGadgetFont(#Gdt_Right, FontID(0))
ButtonGadget(#Gdt_Up, 580, 030, 30, 30, Chr($25B2)) : SetGadgetFont(#Gdt_Up, FontID(0))
ButtonGadget(#Gdt_Down, 580, 90, 30, 30, Chr($25BC)) : SetGadgetFont(#Gdt_Down, FontID(0))
TextGadget(#Text_2, 530, 120, 60, 15, "Zoom")
ButtonGadget(#Button_4, 550, 140, 50, 30, " + ") : SetGadgetFont(#Button_4, FontID(1))
ButtonGadget(#Button_5, 600, 140, 50, 30, " - ") : SetGadgetFont(#Button_5, FontID(1))
TextGadget(#Text_3, 530, 190, 50, 15, "Latitude ")
StringGadget(#StringLatitude, 580, 190, 90, 20, "")
TextGadget(#Text_4, 530, 210, 50, 15, "Longitude ")
StringGadget(#StringLongitude, 580, 210, 90, 20, "")
ButtonGadget(#Gdt_AddMarker, 530, 240, 150, 30, "Add Marker")
ButtonGadget(#Gdt_Degrees, 530, 420, 150, 30, "Show/Hide Degrees", #PB_Button_Toggle)
ButtonGadget(#Gdt_ClearDiskCache, 530, 480, 150, 30, "Clear disk cache", #PB_Button_Toggle)
TextGadget(#TextGeoLocationQuery, 530, 515, 150, 15, "Enter an address")
StringGadget(#StringGeoLocationQuery, 530, 530, 150, 20, "")
SetActiveGadget(#StringGeoLocationQuery)
; Our main gadget
PBMap::MapGadget(#Map, 10, 10, 512, 512, 1, #Window_0)
PBMap::SetOption(#Map, "ShowDegrees", "1") : Degrees = 0
PBMap::SetOption(#Map, "ShowDebugInfos", "1")
PBMap::SetDebugLevel(5)
PBMap::SetOption(#Map, "Verbose", "1")
PBMap::SetOption(#Map, "ShowScale", "1")
PBMap::SetOption(#Map, "Warning", "1")
PBMap::SetOption(#Map, "ShowMarkersLegend", "1")
PBMap::SetOption(#Map, "ShowTrackKms", "1")
PBMap::SetOption(#Map, "ColourFocus", "$FFFF00AA")
PBMap::SetCallBackMainPointer(#Map, @MainPointer()) ; To change the main pointer (center of the view)
PBMap::SetCallBackLocation(#Map, @UpdateLocation()) ; To obtain realtime coordinates
PBMap::SetLocation(#Map, -36.81148, 175.08634,12) ; Change the PBMap coordinates
PBMAP::SetMapScaleUnit(#Map, PBMAP::#SCALE_KM) ; To change the scale unit
PBMap::AddMarker(#Map, 49.0446828398, 2.0349812508, "", "", -1, @MyMarker()) ; To add a marker with a customised GFX
PBMap::SetCallBackMarker(#Map, @MarkerMoveCallBack())
PBMap::SetCallBackDrawTile(#Map, @DrawTileCallBack())
PBMap::SetCallBackModifyTileFile(#Map, @ModifyTileFileCallback())
AddGadgetItem(#PanelGadget, 1, "Map 2")
TextGadget(#Map2_Move, 530, 10, 60, 15, "Movements")
ButtonGadget(#Map2_Left, 550, 60, 30, 30, Chr($25C4)) : SetGadgetFont(#Gdt_Left, FontID(0))
ButtonGadget(#Map2_Right, 610, 60, 30, 30, Chr($25BA)) : SetGadgetFont(#Gdt_Right, FontID(0))
ButtonGadget(#Map2_Up, 580, 030, 30, 30, Chr($25B2)) : SetGadgetFont(#Gdt_Up, FontID(0))
ButtonGadget(#Map2_Down, 580, 90, 30, 30, Chr($25BC)) : SetGadgetFont(#Gdt_Down, FontID(0))
TextGadget(#Map2_Zoom, 530, 120, 60, 15, "Zoom")
ButtonGadget(#Map2_ZoomIn, 550, 140, 50, 30, " + ") : SetGadgetFont(#Button_4, FontID(1))
ButtonGadget(#Map2_ZoomOut, 600, 140, 50, 30, " - ") : SetGadgetFont(#Button_5, FontID(1))
TextGadget(#Map2_LatitudeText, 530, 190, 50, 15, "Latitude ")
StringGadget(#Map2_StringLatitude, 580, 190, 90, 20, "")
TextGadget(#Map2_LongitudeText, 530, 210, 50, 15, "Longitude ")
StringGadget(#Map2_StringLongitude, 580, 210, 90, 20, "")
; Our second map:
PBMap::MapGadget(#Map2_Canvas, 10, 10, 512, 512, 1, #Window_0)
PBMap::SetOption(#Map2_Canvas, "ShowDegrees", "1") : Degrees = 0
PBMap::SetOption(#Map2_Canvas, "ShowDebugInfos", "1")
PBMap::SetDebugLevel(5)
PBMap::SetOption(#Map2_Canvas, "Verbose", "1")
PBMap::SetOption(#Map2_Canvas, "ShowScale", "1")
PBMap::SetOption(#Map2_Canvas, "Warning", "1")
PBMap::SetOption(#Map2_Canvas, "ShowMarkersLegend", "1")
PBMap::SetOption(#Map2_Canvas, "ShowTrackKms", "1")
PBMap::SetOption(#Map2_Canvas, "ColourFocus", "$FFFF00AA")
PBMap::SetCallBackMainPointer(#Map2_Canvas, @MainPointer()) ; To change the main pointer (center of the view)
PBMap::SetCallBackLocation(#Map2_Canvas, @UpdateLocation()) ; To obtain realtime coordinates
PBMap::SetLocation(#Map2_Canvas, 6.81148, 15.08634,12) ; Change the PBMap coordinates
PBMAP::SetMapScaleUnit(#Map2_Canvas, PBMAP::#SCALE_KM) ; To change the scale unit
PBMap::AddMarker(#Map2_Canvas, 49.0446828398, 2.0349812508)
CloseGadgetList()
ActivePanel = 2 ; Set the current active panel (1 = Map1, 2 = Map2)
SetGadgetState(#PanelGadget, 1)
AddKeyboardShortcut(#Window_0, #PB_Shortcut_Return, #MenuEventGeoLocationStringEnter)
; *** TODO : code to remove when the SetActiveGadget(-1) will be fixed
CompilerIf #PB_Compiler_OS = #PB_OS_Linux
Define Dummy = ButtonGadget(#PB_Any, 0, 0, 1, 1, "Dummy")
HideGadget(Dummy, 1)
CompilerElse
Define Dummy = -1
CompilerEndIf
Repeat
Event = WaitWindowEvent()
Select Event
Case #PB_Event_CloseWindow : Quit = 1
Case #PB_Event_Gadget ; {
Gadget = EventGadget()
Select Gadget
Case #PanelGadget
Select EventType()
Case #PB_EventType_Change
a = GetGadgetState(#PanelGadget)
If a <> ActivePanel
ActivePanel = a
If ActivePanel = 0
; ....
Else
; ....
EndIf
EndIf
EndSelect
Case #Gdt_Up
PBMap::SetLocation(#Map, 10* 360 / Pow(2, PBMap::GetZoom(#Map) + 8), 0, 0, #PB_Relative)
Case #Map2_Up
PBMap::SetLocation(#Map2_Canvas, 10* 360 / Pow(2, PBMap::GetZoom(#Map2_Canvas) + 8), 0, 0, #PB_Relative)
Case #Gdt_Down
PBMap::SetLocation(#Map, 10* -360 / Pow(2, PBMap::GetZoom(#Map) + 8), 0, 0, #PB_Relative)
Case #Map2_Down
PBMap::SetLocation(#Map2_Canvas, 10* -360 / Pow(2, PBMap::GetZoom(#Map2_Canvas) + 8), 0, 0, #PB_Relative)
Case #Gdt_Left
PBMap::SetLocation(#Map, 0, 10* -360 / Pow(2, PBMap::GetZoom(#Map) + 8), 0, #PB_Relative)
Case #Map2_Left
PBMap::SetLocation(#Map2_Canvas, 0, 10* -360 / Pow(2, PBMap::GetZoom(#Map2_Canvas) + 8), 0, #PB_Relative)
Case #Gdt_Right
PBMap::SetLocation(#Map, 0, 10* 360 / Pow(2, PBMap::GetZoom(#Map) + 8), 0, #PB_Relative)
Case #Map2_Right
PBMap::SetLocation(#Map2_Canvas, 0, 10* 360 / Pow(2, PBMap::GetZoom(#Map2_Canvas) + 8), 0, #PB_Relative)
Case #Button_4
PBMap::SetZoom(#Map, 1)
Case #Map2_ZoomIn
PBMap::SetZoom(#Map2_Canvas, 1)
Case #Button_5
PBMap::SetZoom(#Map, - 1)
Case #Map2_ZoomOut
PBMap::SetZoom(#Map2_Canvas, - 1)
Case #StringLatitude, #StringLongitude, #Map2_StringLatitude, #Map2_StringLongitude
Select EventType()
Case #PB_EventType_Focus
AddKeyboardShortcut(#Window_0, #PB_Shortcut_Return, #MenuEventLonLatStringEnter)
Case #PB_EventType_LostFocus
RemoveKeyboardShortcut(#Window_0, #PB_Shortcut_Return)
EndSelect
Case #Gdt_AddMarker
PBMap::AddMarker(#Map, ValD(GetGadgetText(#StringLatitude)), ValD(GetGadgetText(#StringLongitude)), "", "Test", RGBA(Random(255), Random(255), Random(255), 255))
Case #Gdt_Degrees
Degrees = 1 - Degrees
PBMap::SetOption(#Map, "ShowDegrees", Str(Degrees))
PBMap::Refresh(#Map)
SetGadgetState(#Gdt_Degrees, Degrees)
Case #Gdt_ClearDiskCache
PBMap::ClearDiskCache(#Map)
Case #StringGeoLocationQuery
Select EventType()
Case #PB_EventType_Focus
AddKeyboardShortcut(#Window_0, #PB_Shortcut_Return, #MenuEventGeoLocationStringEnter)
Case #PB_EventType_LostFocus
RemoveKeyboardShortcut(#Window_0, #PB_Shortcut_Return)
EndSelect
EndSelect
Case #PB_Event_SizeWindow
ResizeAll()
Case #PB_Event_Menu
; Receive "enter" key events
Select EventMenu()
Case #MenuEventGeoLocationStringEnter
If GetGadgetText(#StringGeoLocationQuery) <> ""
PBMap::NominatimGeoLocationQuery(#Map, GetGadgetText(#StringGeoLocationQuery))
PBMap::Refresh(#Map)
EndIf
; *** TODO : code to change when the SetActiveGadget(-1) will be fixed
SetActiveGadget(Dummy)
; ***
Case #MenuEventLonLatStringEnter
PBMap::SetLocation(#Map, ValD(GetGadgetText(#StringLatitude)), ValD(GetGadgetText(#StringLongitude))) ; Change the PBMap coordinates
PBMap::Refresh(#Map)
EndSelect
EndSelect
Until Quit = #True
PBMap::FreeMapGadget(#Map)
PBMap::FreeMapGadget(#Map2_Canvas)
EndIf
; IDE Options = PureBasic 5.73 LTS (Windows - x64)
; CursorPosition = 21
; Folding = --
; EnableThread
; EnableXP
; CompileSourceDirectory
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