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IDL的可视化分为直接图形法和对象图形法,两种可视化模式中均可以设置鼠标形状,设置方法见附代码,示例效果图如下。
;鼠标形状创建函数 ;通过这个想创建啥鼠标形状都可以了吧o(∩_∩)o FUNCTION CURSORCREATE, normhand=normhand, handgrasp=handgrasp, magic=magic IF KEYWORD_SET(normhand) THEN BEGIN strArray = [ $ ' ## ', $ ' ## # ### ', $ ' # ## # # ', $ ' # ## # # # ', $ ' # # # ## #', $ ' # # # # #', $ ' ## # # #', $ '# ## #', $ '# # $ # ', $ ' # # ', $ ' # # ', $ ' # # ', $ ' ########## ', $ ' ######### ', $ ' ######## ', $ ' '] ENDIF IF KEYWORD_SET(handgrasp) THEN BEGIN strArray = [ $ ' ', $ ' ', $ ' ', $ ' ', $ ' ', $ ' ## ## ## ', $ ' # # # ## ', $ ' # # # ', $ ' # # ', $ ' ## # ', $ ' # $ # ', $ ' # # ', $ ' # # ', $ ' ######### ', $ ' ######## ', $ ' ######## '] ENDIF
IF KEYWORD_SET(magic) THEN BEGIN strArray = [ $ ' # ', $ ' # # # ', $ ' ####### ', $ ' # # ', $ ' # # ', $ ' ### ### ', $ ' # # ', $ ' # # ', $ ' ######## ', $ ' # # ### ', $ ' ### ', $ ' ### ', $ ' ### ', $ ' ###', $ ' ', $ ' ']
ENDIF cursor_image = CREATE_CURSOR(strArray, HOTSPOT=hotspot, MASK=mask) REGISTER_CURSOR, 'translate', cursor_image, HOTSPOT=hotspot, MASK=mask RETURN, cursor_image END ;系统析构函数 PRO CHANGINGCURSORIMAGE_CLEANUP,top WIDGET_CONTROL,top,get_UValue = pState IF PTR_VALID(pState) THEN PTR_FREE, pState END ;事件响应函数 PRO CHANGINGCURSORIMAGE_EVENT,ev ;获取结构体 WIDGET_CONTROL,ev.top,get_UValue = pState ;判断事件除非组件uName uname = WIDGET_INFO(ev.id,/uName) CASE uName OF ;直接图形法 'direct': BEGIN DEVICE, CURSOR_STANDARD = ((*pState).listValue)[ev.index] END ;对象图形法 'object': BEGIN ;判断指针形状索引 curIdx = ev.index IF curIdx GE 13 THEN BEGIN IF curIdx EQ 13 THEN cursorImg = CURSORCREATE(/normhand) $ ELSE IF curIdx EQ 14 THEN cursorImg = CURSORCREATE(/handgrasp) $ ELSE IF curIdx EQ 15 THEN cursorImg = CURSORCREATE(/magic) (*pstate).oWindow->SETCURRENTCURSOR,image=cursorImg ENDIF ELSE (*pState).oWindow->SETCURRENTCURSOR, ((*pState).ListShow)[curIdx] END ELSE: ENDCASE
END ; ;Author:dyq ;Date: 2011年3月21日 ;主界面程序 PRO CHANGINGCURSORIMAGE ;创建界面 tlb = WIDGET_BASE(title='鼠标形状',/column)
wTab = WIDGET_TAB(tlb,uname = 'tab') ;直接图形法 wBase1 = WIDGET_BASE(wTab,/column) wSelect = WIDGET_BASE(wBase1,/row ) wLabel = WIDGET_LABEL(wSelect,value='直接图形法--鼠标指针选择:') ;直接图形法的指针 ListShow = ['Arrow','I-Beam','Hourglass','Black Crosshaire',$ 'Up Arrow','Size','Icon',$ 'Size NW-SE','Size NE-SW','Size E-W','Size N-S','Size All', $ 'Not Allowed','Pointing Hand','Arrow Hourglass','Help'] listValue = [32512,32513,32514,32515,$ 32516,32640,32641, $ 32642,32643,32644,32645,32646, $ 32648, 32649, 32650, 32651] wDirSel = WIDGET_DROPLIST(wSelect,value = ListShow,$ uname = 'direct') ;direct draw wDraw = WIDGET_DRAW(wBase1, $ xSize =400,ySize =400) WIDGET_CONTROL,tlb,/realize WIDGET_CONTROL, wDraw,get_value = ddraw ;显示一个图像 WSET,ddraw TVSCL,DIST(400)
;对象图形法 wBase2 = WIDGET_BASE(wTab,/column) wSelect = WIDGET_BASE(wBase2,/row ) wLabel = WIDGET_LABEL(wSelect,value='对象图形法--鼠标指针选择:') ListShow = ['ARROW','CROSSHAIR','ICON','IBEAM',$ 'MOVE','ORIGINAL','SIZE_NE',$ 'SIZE_NW','SIZE_SE','SIZE_SW',$ 'SIZE_NS','SIZE_EW','UP_ARROW',$ 'userdefine1','userdefine2','userdefine3'] wDirSel = WIDGET_DROPLIST(wSelect,value = ListShow,$ uname = 'object') ; wDraw1 = WIDGET_DRAW(wBase2, $ xSize =400,ySize =400, $ graphics_level = 2,$ /DRAG_NOTIFY , $ retain = 2 ) WIDGET_CONTROL, wDraw1,get_value = oWindow oView = OBJ_NEW('IDlgrView',color = [1,1,1]*255b) oWindow->SETPROPERTY, Graphics_tree =oView oWindow->DRAW ;存储下基本组件信息 WIDGET_CONTROL,tlb, set_UValue = PTR_NEW($ {oWindow: oWindow,listValue:listValue,ListShow: ListShow},/no_copy) ;事件响应 XMANAGER, 'ChangingCursorImage',tlb,$ cleanup = 'ChangingCursorImage_cleanup',/no_Block END |
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