CN104317485B - electronic blackboard display control method and device - Google Patents
electronic blackboard display control method and device Download PDFInfo
- Publication number
- CN104317485B CN104317485B CN201410597431.0A CN201410597431A CN104317485B CN 104317485 B CN104317485 B CN 104317485B CN 201410597431 A CN201410597431 A CN 201410597431A CN 104317485 B CN104317485 B CN 104317485B
- Authority
- CN
- China
- Prior art keywords
- electronic blackboard
- window
- operating point
- displacement
- screen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000006073 displacement reaction Methods 0.000 claims description 49
- 230000009471 action Effects 0.000 claims description 16
- 230000008569 process Effects 0.000 abstract description 7
- 230000002452 interceptive effect Effects 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0481—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
- G06F3/04817—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance using icons
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Drawing Aids And Blackboards (AREA)
- User Interface Of Digital Computer (AREA)
Abstract
The invention relates to an electronic blackboard display control method and device, wherein the method comprises the following steps: establishing an operation control of an electronic blackboard at an initial position preset at the edge of a screen; when an operation point triggers a display instruction of an operation control, displaying an electronic blackboard window for writing, and setting the electronic blackboard window to the top; and when the preset hiding condition is met, hiding the electronic blackboard window to the initial position, and displaying the operation control at the initial position. By using the virtual blackboard display control method, under the condition of simultaneously using the virtual blackboard and other teaching application software, the operation of switching the virtual blackboard can be realized without quitting other teaching software from full-screen display, so that the steps required to be executed by an operator in the process of switching the electronic blackboard and other teaching application software can be simplified, and the switching efficiency is improved. In the case of multiple or repeated switchings, the switching time of the operator can be greatly saved.
Description
【Technical field】
The present invention relates to human-computer interaction intelligent technology, more particularly to a kind of electronic blackboard display control method and device.
【Background technology】
As the development of Modern Education Technology and the attention to teaching job environment, increasing educational institution start
The common blackboard by the use of chalk-writing is replaced as the instrument of teaching explanation using interactive intelligent flat board.Interactive intelligent tablet computer is with height
Clear liquid crystal display is display and operating platform, possesses the modern multimedia instructional function such as writing, annotation, drawing, multimedia.Its
In, the writing function of interactive intelligent flat board is mainly to be realized by the electronic blackboard of internal virtual, and electronic blackboard is as a kind of
Write window, its background color can be as common blackboard at present or virtual electronic whiteboard.Electronic blackboard
The popularization for greatly having promoted multimedia education is realized, and improves the efficiency of teaching of teachers' instruction, improves teachers' instruction environment.
Because in multimedia teaching, teacher also needs to use other teaching using soft in addition to using electronic blackboard
Part, such as music player, video player, lantern slide (PowerPoint) and form (Excel) etc..
By taking lantern slide as an example, for teacher if it is desired to using electronic blackboard when using lantern slide, now then needing will be unreal
Lamp piece exit it is full frame, then click on and select show electronic blackboard, when needing to show lantern slide again, need again electronics is black
After plate exits, it could select to show lantern slide.Therefore, electronic blackboard and lantern slide need reciprocal exit again when switching
The operations such as new selection, and electronic blackboard and the switching of other teaching application software are also such.So teacher or operator exist
Switch electronic blackboard and, it is necessary to which the operation performed is excessive, process exception is cumbersome, repeatedly among the process of other teaching application software
Switching easily causes teachers ' teaching waste of time.
【The content of the invention】
Based on this, it is necessary to switch the problem of cumbersome for electronic blackboard and other applications, there is provided a kind of electronics is black
Plate display control method and device so that electronic blackboard can rapidly switch application program with the interface of other applications.
A kind of electronic blackboard display control method, including step：
The operational controls of initial position establishment electronic blackboard are preset in screen edge；
When the idsplay order of operating point trigger action control, the electronic blackboard window for writing is shown, and by described in
Electronic blackboard window top set；
When meeting default hidden conditional, the electronic blackboard window is hidden to the initial position, and described initial
Operational controls described in position display.
Correspondingly, a kind of switching device of electronic blackboard, including：
Control creation module, for presetting the operational controls of initial position establishment electronic blackboard in screen edge；
Display module, in the idsplay order of operating point trigger action control, showing the electronic blackboard for writing
Window, and by the electronic blackboard window top set；
Hidden module, for when meeting default hidden conditional, the electronic blackboard window is hidden to the initial position,
And show the operational controls in the initial position.
The present invention presets the operational controls of initial position establishment electronic blackboard in screen edge first；The operational controls can
Receive the operational order of user, control the display of virtual blackboard window.When the idsplay order of operating point trigger action control, show
Show the electronic blackboard window for writing, and by the electronic blackboard window top set；When meeting default hidden conditional, institute is hidden
Electronic blackboard window is stated to the initial position, and the operational controls are shown in the initial position.Due to the operation control
Part is created in screen edge locations, is stopped so the operational controls will not be formed to other teaching softwares in screen, need to such as be shown
Show the electronic blackboard window for writing, by the idsplay order of operating point trigger action control；In the electronic blackboard window
In the case that mouth is shown in screen, hidden conditional can be triggered if it need to use other teaching application software, hides the electronics
Blackboard window is to the initial position.By using virtual blackboard display control method of the present invention, make at the same time
In the case of virtual blackboard and other teaching application software, it can be achieved to cut without other teaching softwares are exited into full screen display
The operation of virtual blackboard is changed, operator can be simplified and switching the process of electronic blackboard and other teaching application software needed for
The step of performing, improve switching efficiency.In the case where multiple switching or repeating to switch, operator can be greatly saved
Switching time.
【Brief description of the drawings】
Fig. 1 is a kind of flow chart of embodiment of electronic blackboard display control method of the present invention；
Fig. 2 is a kind of schematic diagram of application scenarios of electronic blackboard of the present invention；
Fig. 3 is that electronic blackboard of the present invention shows process schematic in Fig. 2 application scenarios；
Fig. 4 is a kind of structured flowchart of embodiment of electronic blackboard display control program of the present invention.
【Embodiment】
In order that the object, technical solutions and advantages of the present invention are clearer, the present invention is made below in conjunction with accompanying drawing into
One step it is described in detail.
Referring to Fig. 1, it is a kind of flow chart of embodiment of electronic blackboard display control method of the present invention.
A kind of electronic blackboard display control method, it is characterised in that including step：
S101：The operational controls of initial position establishment electronic blackboard are preset in screen edge；
The operational controls of electronic blackboard can be created while os starting, first, create the behaviour of electronic blackboard
Make control, the coordinate that screen edge presets initial position is then obtained, finally according to the coordinate of initial position in the initial bit
Put the display operational controls.Furthermore it is also possible to the operational controls top set is shown, so as to the operational controls be shown in it is all
The foremost of window in screen, is not blocked by the window of any application software.
Preferably, the operational controls are that (base is presented in Windows Presentation Foundation, form to WPF
Plinth) forms.WPF forms are translucent forms, can farthest reduce and other teaching application software are blocked.Such as Fig. 2
Shown, in Fig. 2 application scenarios, operational controls are circular button, and in the middle part of screen upper end-face edge, the operational controls are
Translucent window.Those skilled in the art, operational controls can also be arranged to other shapes, operational controls can also be shown
In screen edge others position.
S102：When the idsplay order of operating point trigger action control, the electronic blackboard window for writing is shown, and will
The electronic blackboard window top set；
When the idsplay order of operating point trigger action control, you can judge that user or operator need to be used to write
Electronic blackboard window be shown on screen.As shown in figure 3, the electronic blackboard window may be displayed on the region that screen is specified
On, such as be shown in screen centerline to the region of screen edge or be shown in center Screen region, can also be according to user's
Selection adjusts display location and the size of the electronic blackboard window.The operational controls can follow electronic blackboard window to show
In screen., can be by changing institute by the electronic blackboard window top set after showing the electronic blackboard window for writing
The window attribute for stating electronic blackboard window is arranged to top set realization.By the electronic blackboard window top set, so that the electronics is black
Plate window is shown in the foremost of window in all screens, is not blocked by the window of any application software.The operating point can be with
It is touch point, mouse point, electronic pen contact point etc..
Preferably, the electronic blackboard window is WPF forms.WPF forms are translucent forms, can through WPF forms
See the content of next display layer in screen.When the electronic blackboard is WPF forms, screen is shown in electronic blackboard window
When, others teaching application software can also use, and reduce electronic blackboard window and other teaching application software switchings
Situation.For example, simultaneously using lantern slide play and electronic blackboard window write when, and electronic blackboard window have no be completely covered it is unreal
Lamp piece, on the one hand it can now be write by electronic blackboard window, another aspect WPF forms will not stop the interior of lantern slide
Hold, operator can still be played to carrying out lower one page broadcasting etc. and the operation of displaying lantern slide, therefore, in non-essential feelings
Condition, operator do not have to hide electronic blackboard window to show lantern slide, reduce electronic blackboard window and are applied with other teaching
The situation of software exchange.
S103：When meeting default hidden conditional, the electronic blackboard window is hidden to the initial position, and described
Initial position shows the operational controls.
The hidden conditional is shown on screen including electronic blackboard window and instruction is hidden in operating point triggering, wherein,
The hiding instruction can be to the clicking of operational controls, double-click, toward default instructions such as the slips in screen edge direction.
When meeting default hidden conditional, then it can determine that user or operator wish to hide electronic blackboard window, now
Hide the electronic blackboard window and show the operational controls to the initial position, and in the initial position.
The present invention presets the operational controls of initial position establishment electronic blackboard in screen edge first；The operational controls can
Receive the operational order of user, control the display of virtual blackboard window.When the idsplay order of operating point trigger action control, show
Show the electronic blackboard window for writing, and by the electronic blackboard window top set；When meeting default hidden conditional, institute is hidden
Electronic blackboard window is stated to the initial position, and the operational controls are shown in the initial position.Due to the operation control
Part is created in screen edge locations, is stopped so the operational controls will not be formed to other teaching softwares in screen, need to such as be shown
Show the electronic blackboard window for writing, by the idsplay order of operating point trigger action control；In the electronic blackboard window
In the case that mouth is shown in screen, hidden conditional can be triggered if it need to use other teaching application software, hides the electronics
Blackboard window is to the initial position.By using virtual blackboard display control method of the present invention, make at the same time
In the case of virtual blackboard and other teaching application software, it can be achieved to cut without other teaching softwares are exited into full screen display
The operation of virtual blackboard is changed, operator can be simplified and switching the process of electronic blackboard and other teaching application software needed for
The step of performing, improve switching efficiency.In the case where multiple switching or repeating to switch, operator can be greatly saved
Switching time.
In one embodiment, in above-mentioned steps S102, the step of showing the electronic blackboard window for writing, can wrap
Include following steps：
S201：If the idsplay order instructs for dragging, the electricity is updated according to displacement of the operating point in assigned direction
The display location of sub- blackboard window；
Wherein, the dragging instruction slides the operational controls for preset direction or desired guiding trajectory slides the operation control
Part.
In the case where the idsplay order is dragging instruction, now on the basis of the initial position, according to operating point
The display location of the electronic blackboard window is updated in the displacement of assigned direction, for example, when operational controls are shown in the frequency on right side
During curtain edge, assigned direction should be left screen edge direction, and display location should be operating point to the screen area of initial position
Domain.As shown in figure 3, when operational controls are dragged, the position of viewing area operational controls from Fig. 2 of virtual blackboard window
The screen area of (screen upper end-face edge) up to the full wafer of operational controls position in Fig. 3.
The display location of the electronic blackboard window is updated in the displacement of assigned direction according to operating point so that the electronics
Blackboard window situation can change viewing area according to the actual requirements, increase the applicability of the electronic blackboard.
In one embodiment it is preferred that in above-mentioned steps S201, institute is updated according to displacement of the operating point in assigned direction
The step of stating the display location of electronic blackboard window, may comprise steps of：
S301：The displacement of operating point is recorded, and calculates projection value of the displacement in assigned direction；
The track of operating point is followed the trail of, the displacement of operating point is recorded according to the original position of operating point, then calculates institute's rheme
The projection value in assigned direction is moved, to obtain drift condition of the operating point in assigned direction.
S302：The position coordinates of electronic blackboard window forms origin is updated according to the projection value, and according to renewal rear window
The position coordinates of body origin shows the electronic blackboard window.
Because operating point changes, correspondingly, the position of electronic blackboard window forms origin is updated according to the projection value
Coordinate is put, then electronic blackboard window shows the electronic blackboard window on the basis of the forms origin.
By recording the displacement of operating point, projection value of the displacement in assigned direction is calculated, electricity is updated according to the projection value
The position coordinates of sub- blackboard window forms origin, then electronic blackboard window show the electronics on the basis of the forms origin
Blackboard window so that according to operating point the displacement of assigned direction updates the display location of the electronic blackboard window the step of more
Easily realized by software.
In one embodiment it is preferred that the step of displacement of record operating point, may comprise steps of：
S401：The position coordinates (X, Y) of record dragging initial time operating point, and record dragging finish time operating point
Position coordinates (X1, Y1)；
For the screen using touch screen operation, the position coordinates (X, Y) of dragging initial time operating point can be finger
Or coordinate of electronic pen when clicking operational controls, the position coordinates (X1, Y1) of dragging finish time operating point can be hand
Finger or electronic pen unclamp the coordinate of the position at moment from touch-screen.
For the screen using mouse action, the position coordinates (X, Y) of dragging initial time operating point can be mouse point
Coordinate during operational controls is hit, the position coordinates (X1, Y1) of dragging finish time operating point can be that mouse is loose from operational controls
Coordinate when opening.
S402：Calculated according to formula (X1-X, Y1-Y) and record the displacement of the operating point.
Obtain the position coordinates (X, Y) of dragging initial time operating point and drag the position coordinates of finish time operating point
After (X1, Y1), the displacement of the operating point is calculated by formula (X1-X, Y1-Y), and records the displacement.
The present embodiment by establishing coordinate system to screen, tie by the position coordinates and dragging for obtaining dragging initial time operating point
The position coordinates of beam moment operating point, and by vectorial calculation formula, calculate the displacement of the operating point, i.e., grasped with vector representation
Make the displacement of point, displacement can be readily calculated so that the present invention is easier and is more convenient to realize.
Referring to Fig. 4, it is a kind of structured flowchart of embodiment of electronic blackboard display control program of the present invention.
A kind of switching device of electronic blackboard, including：
Control creation module 401, for presetting the operational controls of initial position establishment electronic blackboard in screen edge；
Control creation module 401 can create the operational controls of electronic blackboard while os starting, first, control
Part creation module 401 creates the operational controls of electronic blackboard, and then control creation module 401 obtains screen edge and presets initial bit
The coordinate put, last control creation module 401 show the operational controls according to the coordinate of initial position in the initial position.
In addition, control creation module 401 can also show the operational controls top set, so that the operational controls are shown in all screens
The foremost of middle window, do not blocked by the window of any application software.
Preferably, the operational controls are that (base is presented in Windows Presentation Foundation, form to WPF
Plinth) forms.WPF forms are translucent forms, can farthest reduce and other teaching application software are blocked.Such as Fig. 2
Shown, in Fig. 2 application scenarios, operational controls are circular button, and in the middle part of screen upper end-face edge, the operational controls are
Translucent window.Those skilled in the art, operational controls can also be arranged to other shapes, operational controls can also be shown
In screen edge others position.
Display module 402, in the idsplay order of operating point trigger action control, showing that the electronics for writing is black
Plate window, and by the electronic blackboard window top set；
When the idsplay order of operating point trigger action control, display module 402 can determine that user or operator need
It will include for the electronic blackboard window of writing in screen.As shown in figure 3, the electronic blackboard window may be displayed on screen
On the region that curtain is specified, such as screen centerline is shown in the region of screen edge or is shown in center Screen region, also may be used
To adjust display location and the size of the electronic blackboard window according to the selection of user.The operational controls can follow electronics
Blackboard window is shown in screen.After display module 402 shows the electronic blackboard window for writing, by the electronic blackboard
Window top set, the window attribute of the electronic blackboard window can be arranged to by top set by modification and realized.Display module 402 is by institute
Electronic blackboard window top set is stated, it is not any so that the electronic blackboard window is shown in the foremost of window in all screens
The window of application software blocks.The operating point can be touch point, mouse point, electronic pen contact point etc..
Preferably, the electronic blackboard window is WPF forms.WPF forms are translucent forms, can through WPF forms
See the content of next display layer in screen.When the electronic blackboard is WPF forms, screen is shown in electronic blackboard window
When, others teaching application software can also use, and reduce electronic blackboard window and other teaching application software switchings
Situation.For example, simultaneously using lantern slide play and electronic blackboard window write when, and electronic blackboard window have no be completely covered it is unreal
Lamp piece, on the one hand it can now be write by electronic blackboard window, another aspect WPF forms will not stop the interior of lantern slide
Hold, operator can still be played to carrying out lower one page broadcasting etc. and the operation of displaying lantern slide, therefore, in non-essential feelings
Condition, operator do not have to hide electronic blackboard window to show lantern slide, reduce electronic blackboard window and are applied with other teaching
The situation of software exchange.
Hidden module 403, for when meeting default hidden conditional, hiding the electronic blackboard window to the initial bit
Put, and the operational controls are shown in the initial position.
The hidden conditional is shown on screen including electronic blackboard window and instruction is hidden in operating point triggering, wherein,
The hiding instruction can be to the clicking of operational controls, double-click, toward default instructions such as the slips in screen edge direction.
When meeting default hidden conditional, then hidden module 403 can determine that user or operator wish that hiding electronics is black
Plate window, the electronic blackboard window is now hidden to the initial position, and show the operation control in the initial position
Part.
Present invention control creation module 401 first presets the operation control of initial position establishment electronic blackboard in screen edge
Part；The operational controls can receive the operational order of user, control the display of virtual blackboard window.When operating point trigger action control
During the idsplay order of part, display module 402 shows the electronic blackboard window for writing, and the electronic blackboard window is put
Top；When meeting default hidden conditional, hidden module 403 hides the electronic blackboard window to the initial position, and in institute
State initial position and show the operational controls.Because the operational controls are created in screen edge locations, so the operational controls
Other teaching softwares in screen will not be formed and stopped, need to such as shown the electronic blackboard window for writing, operating point is touched
Send out the idsplay order of operational controls；In the case where the electronic blackboard window is shown in screen, other religions need to be such as used
Hidden conditional can then be triggered by learning application software, hide the electronic blackboard window to the initial position.By using
Virtual blackboard display control unit of the present invention, use at the same time in virtual blackboard and other teaching application software situations
Under, without other teaching softwares to be exited to the operation of the i.e. achievable switching virtual blackboard of full screen display, operator can be simplified and existed
Switch electronic blackboard with the step of required execution, improving switching efficiency among the process of other teaching application software.Multiple
Switching is repeated in the case of switching, and can greatly save the switching time of operator.
In one embodiment, above-mentioned display module 403, including following submodule.
Drag display module, if for the idsplay order for dragging instruction when, according to operating point in assigned direction
Displacement updates the display location of the electronic blackboard window；
Wherein, the dragging instruction slides the operational controls for preset direction or desired guiding trajectory slides the operation control
Part.
In the case where the idsplay order is dragging instruction, now on the basis of the initial position, dragging shows mould
Root tuber updates the display location of the electronic blackboard window according to operating point in the displacement of assigned direction, for example, when operational controls show
Show at the frequency curtain edge on right side, assigned direction should be left screen edge direction, and display location should be operating point to initial
The screen area of position.As shown in figure 3, when operational controls are dragged, the viewing area of virtual blackboard window operates from Fig. 2
Screen area of the position (screen upper end-face edge) of control up to the full wafer of operational controls position in Fig. 3.
The display location that display module updates the electronic blackboard window according to operating point in the displacement of assigned direction is dragged,
Enable the electronic blackboard window according to the actual requirements situation change viewing area, increase the electronic blackboard be applicable
Property.
In one embodiment, above-mentioned dragging display module, following submodule can be included.
Displacement record module, for recording the displacement of operating point, and calculate projection value of the displacement in assigned direction；
Displacement record module follows the trail of the track of operating point, the displacement of operating point is recorded according to the original position of operating point, so
Displacement record module calculates projection value of the displacement in assigned direction afterwards, to obtain skew feelings of the operating point in assigned direction
Condition.
Display module is updated, for updating the position coordinates of electronic blackboard window forms origin according to the projection value, and
The electronic blackboard window is shown according to the position coordinates after renewal.
Because operating point changes, correspondingly, renewal display module updates electronic blackboard window according to the projection value
The position coordinates of forms origin, then electronic blackboard window the electronic blackboard window is shown on the basis of the forms origin.
The displacement of operating point is recorded by displacement record module, calculates projection value of the displacement in assigned direction, renewal display
Module updates the position coordinates of electronic blackboard window forms origin according to the projection value, and then electronic blackboard window is with the window
The electronic blackboard window is shown on the basis of body origin so that black in the displacement renewal electronics of assigned direction according to operating point
The step of display location of plate window, is more easily realized by software.
In one embodiment, above-mentioned displacement record module, following submodule can be included：
Coordinate record module, for recording the position coordinates (X, Y) of dragging initial time operating point, and record dragging and terminate
The position coordinates (X1, Y1) of moment operating point；
For the screen using touch screen operation, the position of the dragging initial time operating point of coordinate record module record is sat
Coordinate when mark (X, Y) can be finger or electronic pen clicks operational controls, the position of dragging finish time operating point is sat
Mark (X1, Y1) can be the coordinate for the position that finger or electronic pen unclamp the moment from touch-screen.
For using mouse action screen, coordinate record module dragging initial time operating point position coordinates (X,
Y) coordinate when can be mouse clicking operation control, the position coordinates (X1, Y1) of dragging finish time operating point can be mouse
Mark from operational controls unclamp when coordinate.
Displacement computing module, for being calculated according to formula (X1-X, Y1-Y) and recording the displacement of the operating point.
Obtain the position coordinates (X, Y) of dragging initial time operating point and drag the position coordinates of finish time operating point
After (X1, Y1), displacement computing module calculates the displacement of the operating point by formula (X1-X, Y1-Y), and records the displacement.
The present embodiment establishes coordinate system to screen by coordinate record module, obtains the position of dragging initial time operating point
The position coordinates of coordinate and dragging finish time operating point, displacement computing module calculate the operation by vectorial calculation formula
The displacement of point, i.e., with the displacement of vector representation operating point, can readily calculate displacement so that the present invention is easier and is more convenient
Realize.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (6)
1. a kind of electronic blackboard display control method, it is characterised in that including step：
The operational controls of initial position establishment electronic blackboard are preset in screen edge；
When the idsplay order of operating point trigger action control, the electronic blackboard window for writing is shown, and by the electronics
Blackboard window top set；
When meeting default hidden conditional, the electronic blackboard window is hidden to the initial position, and in the initial position
The operational controls are shown, the default hidden conditional shows on the screen and described including the electronic blackboard window
Instruction is hidden in operating point triggering；
The electronic blackboard is WPF forms, and the WPF forms are translucent forms, can be shown through the WPF forms described
The content of next display layer in screen.
2. electronic blackboard display control method according to claim 1, it is characterised in that when operating point trigger action control
Idsplay order when, show the electronic blackboard window step for writing, including step：
If the idsplay order instructs for dragging, the electronic blackboard window is updated according to displacement of the operating point in assigned direction
Display location, wherein, the dragging instruction slides the operational controls for preset direction or desired guiding trajectory slides the behaviour
Make control.
3. electronic blackboard display control method according to claim 2, it is characterised in that described to be specified according to operating point
The displacement in direction updates the step of display location of the electronic blackboard window, specifically includes：
The displacement of operating point is recorded, and calculates projection value of the displacement in assigned direction；
The position coordinates of electronic blackboard window forms origin is updated according to the projection value, and is shown according to the position coordinates after renewal
Show the electronic blackboard window.
A kind of 4. electronic blackboard display control unit, it is characterised in that including：
Control creation module, for presetting the operational controls of initial position establishment electronic blackboard in screen edge；
Display module, in the idsplay order of operating point trigger action control, showing the electronic blackboard window for writing,
And by the electronic blackboard window top set, the electronic blackboard is WPF forms, and the WPF forms are translucent forms, through institute
The content of next display layer in the screen can be shown by stating WPF forms；
Hidden module, for when meeting default hidden conditional, hiding the electronic blackboard window to the initial position, and
The initial position shows the operational controls, and the default hidden conditional is shown in the screen including the electronic blackboard window
On curtain and instruction is hidden in operating point triggering.
5. electronic blackboard display control unit according to claim 4, it is characterised in that the display module includes：
Drag display module, if for the idsplay order for dragging instruction when, according to operating point assigned direction displacement
Update the display location of the electronic blackboard window, wherein, the dragging instruction for preset direction slide the operational controls or
Person's desired guiding trajectory slides the operational controls.
6. electronic blackboard display control unit according to claim 5, it is characterised in that the dragging display module bag
Include：
Displacement record module, for recording the displacement of operating point, and calculate projection value of the displacement in assigned direction；
Display module is updated, for updating the position coordinates of electronic blackboard window forms origin, and foundation according to the projection value
Position coordinates after renewal shows the electronic blackboard window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410597431.0A CN104317485B (en) | 2014-10-29 | 2014-10-29 | electronic blackboard display control method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410597431.0A CN104317485B (en) | 2014-10-29 | 2014-10-29 | electronic blackboard display control method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104317485A CN104317485A (en) | 2015-01-28 |
| CN104317485B true CN104317485B (en) | 2018-03-23 |
Family
ID=52372721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410597431.0A Active CN104317485B (en) | 2014-10-29 | 2014-10-29 | electronic blackboard display control method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104317485B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106383642A (en) * | 2016-09-09 | 2017-02-08 | 北京金山安全软件有限公司 | Display method and related device for control of media playing interface |
| CN107643856B (en) * | 2017-07-26 | 2020-06-09 | 海宁钟江智能科技有限公司 | Touch screen easy to switch imaging system |
| CN108536366A (en) * | 2018-03-28 | 2018-09-14 | 维沃移动通信有限公司 | A kind of application window method of adjustment and terminal |
| CN110928459B (en) * | 2019-10-09 | 2021-07-23 | 广州视源电子科技股份有限公司 | Writing operation method, device, equipment and storage medium of intelligent interactive tablet |
| CN113382052B (en) * | 2021-06-01 | 2023-04-07 | 广州朗国电子科技股份有限公司 | Electronic blackboard control system and method based on cloud |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06124183A (en) * | 1992-10-13 | 1994-05-06 | Toshiba Corp | Multiwindow system |
| CN101387954B (en) * | 2007-09-10 | 2011-06-22 | 汉王科技股份有限公司 | Method for implementing stretchable writing electronic curtain |
| JP2013178701A (en) * | 2012-02-29 | 2013-09-09 | Sharp Corp | Touch drawing display device employing multiple windows |
| JP5943293B2 (en) * | 2012-03-22 | 2016-07-05 | 大日本印刷株式会社 | Terminal device, content reproduction system, and program |
| CN103809888B (en) * | 2012-11-12 | 2016-12-21 | 北京三星通信技术研究有限公司 | Mobile terminal and control method thereof |
| CN104102445A (en) * | 2013-04-12 | 2014-10-15 | 上海斐讯数据通信技术有限公司 | Message viewing method and mobile terminal |
| CN103324436B (en) * | 2013-05-24 | 2017-03-15 | 东莞宇龙通信科技有限公司 | A kind of task processing method and device |
-
2014
- 2014-10-29 CN CN201410597431.0A patent/CN104317485B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104317485A (en) | 2015-01-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9811186B2 (en) | Multi-touch uses, gestures, and implementation | |
| CN104317485B (en) | electronic blackboard display control method and device | |
| US8264455B2 (en) | Mapping of physical controls for surface computing | |
| WO2020010775A1 (en) | Method and device for operating interface element of electronic whiteboard, and interactive intelligent device | |
| JP5580694B2 (en) | Information processing apparatus, control method therefor, program, and storage medium | |
| US20080297484A1 (en) | Method and apparatus for providing gesture information based on touchscreen and information terminal device having the apparatus | |
| US20120092253A1 (en) | Computer Input and Output Peripheral Device | |
| WO2012133272A1 (en) | Electronic device | |
| TWM347623U (en) | Handheld mobile communication device | |
| JP5879880B2 (en) | Touch panel electronic device | |
| WO2013182149A1 (en) | Method for controlling position of floating window and terminal | |
| JP2006236339A (en) | Method for operating graphical user interface and graphical user interface | |
| JP2010044533A (en) | Display apparatus, display method, and program | |
| JP2018067068A (en) | Drawing processing method, drawing processing program and drawing processing device | |
| CN104216644A (en) | System and method for mapping blocked area | |
| US20150138082A1 (en) | Image display apparatus and image display system | |
| CN108762657A (en) | Operation method and device of intelligent interaction panel and intelligent interaction panel | |
| WO2020143387A1 (en) | Table processing method, device and system, and storage medium and intelligent interactive tablet | |
| WO2023174369A1 (en) | Text selection method, text selection apparatus, electronic device and readable storage medium | |
| KR20160069909A (en) | Electronic board device and recording media for thereof | |
| JP2016122307A (en) | Information processing device, information processing program and information processing method | |
| WO2016023298A1 (en) | Touch terminal operation method and touch terminal | |
| JP2012155434A (en) | Electronic device | |
| US20150100912A1 (en) | Portable electronic device and method for controlling the same | |
| KR20070113017A (en) | Touch screen apparatus and selecting method of file |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |