JP2015225483A - Display control device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To perform transition to a page desired by a user at the time of termination of a drag operation by making forward and return of page movement clear even when the user performs an incomplete drag operation.SOLUTION: A display control device comprises: display control means which performs control so as to display a display object on display means; position input means onto a screen of the display means; and control means which performs control so as to scroll the display object following dragging when the dragging is performed by the position input means, and performs control so as to scroll the display object to return to the break position immediately before the currently displayed position of the display object if the final movement direction is a first direction and so as to scroll the display object to move forward to the next break position of the currently displayed position of the display object if the final movement direction is the second direction in accordance with the final movement direction of the dragging when the position input performing the dragging is terminated.

Description

  The present invention relates to a display of a digital camera or the like, and more particularly to an operation when a display object is moved to a separation position by a touch operation.

  Conventionally, a display control apparatus capable of touch operation makes a movable state by touching a display object to be displayed on the operation screen, and moves the position of the touched display object by moving on the screen while touching. Can move. On the other hand, as a display confirmation method, there is a method of confirming a display object by dividing an area including a display object by an appropriate range and moving the area by operation.

  Japanese Patent Application Laid-Open No. 2004-228561 discloses a technique of scrolling from the current page to the next page by performing a drag operation on a page displaying a display object or the like. Patent Document 2 discloses a technique for determining whether to return the moving position to the original position based on the movement amount of the drag operation on the display object. Thereby, when the movement amount does not exceed the threshold value, the original position can be returned.

JP 2012-226520 A US Pat. No. 7,193,609

  The problem to be solved by the invention will be described with reference to a screen display diagram of image information display of a digital camera or the like shown in FIG. A screen 10 in FIG. 1A is a screen displayed on the display, and an area 20 represents a scrolling range. Icons and alphanumeric characters in the area 20 represent image information.

  FIG. 1A shows the first page of image information display, and FIG. 1C shows the second page of image information display. FIG. 1B shows the middle of scrolling from the first page to the second page by performing a drag operation on the screen 10.

  By performing a drag operation on the screen 10, as shown in FIGS. 1A to 1C, the entire image information displayed in the area 20 is scrolled to change from the first page to the second page. The image information display page can be moved.

  Here, consider the case of returning to the first page of the image information display in FIG. Prior art 2 is a technique for returning to the original position when the movement amount does not exceed the threshold, and means for returning from FIG. 1 (b) to FIG. 1 (a) when the threshold is exceeded. Not disclosed.

  Therefore, an object of the present invention is to make a transition to a desired page at the end of the drag operation by clarifying the progress and return of the page movement even if the user performs a halfway drag operation.

  In order to achieve the above object, the configuration of the display control apparatus according to the present invention includes a display control unit that controls a display unit to display a display object, a position input unit on the screen of the display unit, and the position When dragging is performed by the input means, the display object is controlled to be scrolled following the dragging, and when the position input where the dragging is completed is completed, In response, if the last movement direction is the first direction, the display object is scrolled so as to return to the separation position immediately before the currently displayed position of the display object, and the last movement direction is the first direction. If the direction is 2, scroll the display object to advance to the next break position of the currently displayed position of the display object It characterized in that it has a control means for controlling so as to.

  According to the present invention, it is possible to transition to a page desired by the user by determining a destination page based on the last moving direction of the drag operation.

Screen display diagram of image information display such as digital camera displayed by display control device Hardware block diagram of display control device Screen display of image information display during page scrolling Flowchart of processing for determining a destination page based on the last movement direction of the drag operation

  Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

  FIG. 2 shows an example of the configuration of the display control apparatus 100 to which the present invention can be applied. The display control apparatus 100 can be configured using a personal computer (hereinafter, referred to as a PC).

  2, a CPU 101, a memory 102, a nonvolatile memory 103, an image processing unit 104, a display 105, an operation unit 106, a recording medium I / F 107, an external I / F 109, and a communication I / F 110 are connected to an internal bus 150. ing. Each unit connected to the internal bus 150 can exchange data with each other via the internal bus 150.

  The memory 102 is composed of, for example, a RAM (a volatile memory using a semiconductor element). The CPU 101 controls each unit of the display control apparatus 100 using the memory 102 as a work memory, for example, according to a program stored in the nonvolatile memory 103. The nonvolatile memory 103 stores image data, audio data, other data, various programs for operating the CPU 101, and the like. The nonvolatile memory 103 is composed of, for example, a hard disk (HD) or ROM.

  Based on the control of the CPU 101, the image processing unit 104 acquires image data stored in the nonvolatile memory 103 or the recording medium 108, a video signal acquired via the external I / F 109, or a communication I / F 110. Various image processing is performed on the image data. The image processing performed by the image processing unit 104 includes A / D conversion processing, D / A conversion processing, image data encoding processing, compression processing, decoding processing, enlargement / reduction processing (resizing), noise reduction processing, and color conversion. Processing etc. are included. The image processing unit 104 may be configured with a dedicated circuit block for performing specific image processing. Further, depending on the type of image processing, the CPU 101 can perform image processing according to a program without using the image processing unit 104.

  The display 105 displays an image or a GUI screen constituting a GUI (Graphical User Interface) based on the control of the CPU 101. The CPU 101 generates a display control signal according to a program, and controls each unit of the display control apparatus 100 so as to generate a video signal to be displayed on the display 105 and output it to the display 105. The display 105 displays a video based on the output video signal. The display control apparatus 100 itself may include an interface for outputting a video signal to be displayed on the display 105, and the display 105 may be configured with an external monitor (such as a television).

  The operation unit 106 is an input device for accepting user operations including a character information input device such as a keyboard, a pointing device such as a mouse and a touch panel, buttons, dials, joysticks, touch sensors, and a touch pad. Note that the touch panel is an input device that is configured to be two-dimensionally superimposed on the display 105 so that coordinate information corresponding to the touched position is output.

  The storage medium I / F 107 can be loaded with a recording medium 108 such as a memory card, CD, or DVD. Under the control of the CPU 101, data is read from the loaded recording medium 108 and data is written to the recording medium 108. I do. The external I / F 109 is an interface that is connected to an external device by a wired cable or wirelessly to input / output a video signal or an audio signal. The communication I / F 110 is an interface for communicating with an external device, the Internet 111, and the like to transmit and receive various data such as files and commands.

  When the operation unit 106 includes a touch panel, the CPU 101 can detect the following operation on the touch panel by the user. Touching the touch panel with a finger or a pen (hereinafter referred to as touchdown). The touch panel is touched with a finger or a pen (hereinafter referred to as touch-on). The touch panel is moved while being touched with a finger or a pen (hereinafter referred to as a move). The finger or pen that was touching the touch panel is released (hereinafter referred to as touch-up). A state where a finger or pen is separated from the touch panel by a certain distance or more and nothing is touched (hereinafter referred to as touch-off).

  These operations and the position coordinates (hereinafter referred to as touch coordinates) where a finger or pen touches the touch panel or the finger or pen exists at a certain distance from the touch panel are notified to the CPU 101 via the internal bus 150. Then, the CPU 101 determines what operation has been performed on the touch panel based on the notified information. Regarding the touch move and the hover move, the moving direction of the finger or pen moving on the touch panel can be determined for each vertical component / horizontal component on the touch panel based on the change of the touch coordinates.

  The touch panel can be any of various types of touch panels such as a resistive film type, a capacitance type, a surface acoustic wave type, an infrared type, an electromagnetic induction type, an image recognition type, and an optical sensor type. good.

  In each of the above-described embodiments, the case where the present invention is applied to a personal computer has been described as an example. However, this is not limited to this example. That is, the present invention may be applied to an imaging apparatus such as a digital camera. That is, the present invention can also be applied when a captured image recorded on a recording medium readable by a digital camera such as a memory card is reproduced and displayed on a display such as a rear liquid crystal device included in the digital camera. Furthermore, the present invention is applicable to any device capable of displaying an image, such as a PDA, a mobile phone terminal, a portable image viewer, a printer device having a display, a digital photo frame, a music player, a game machine, and an electronic book reader. It is.

  As an embodiment of the present invention, an example of a processing method for determining a movement destination page based on the last movement direction of the drag operation will be described with reference to the screen display example of FIG. 3 and the flowchart of FIG.

  3A to 3H are screens displayed on the display 105. FIG. A region 310 in FIG. 3A represents a scrolling range. Icons and alphanumeric characters in the area 310 represent image information. At the time of FIG. 3A, the area 310 displays the first page of the area for displaying the image information, and thereafter, the second page, the third page, and a plurality of pages continuously exist in the downward direction. By touching the area 310, the page can be scrolled and the page displayed in the area 310 can be switched. For example, FIGS. 3A to 3D show screens when the image information display page is moved from the first page to the second page by a touch operation. Touch coordinates 312, 320, 330, 332, 340, and 350 in FIG. 3 represent coordinates on which touch detection is performed on each screen. This process starts step S402 when the touch operation is enabled when the screen is displayed on the display 105.

  First, the screen examples of FIGS. 3A to 3D will be described. FIG. 3A shows a screen at the time when touchdown is detected. At this time, the touch coordinates 312 when the touch-down is performed are recorded in the touch coordinates A where the current touch coordinates are recorded and the touch coordinates B where the previous touch coordinates are recorded (S404, S406).

  FIGS. 3B and 3C show a screen in the middle of detecting the touch move and scrolling the image information display. At the time of FIG. 3B, the touch coordinate information recorded in the touch coordinate A is recorded in the touch coordinate B, and the touch coordinate 320 is recorded in the touch coordinate A. Even at the time of FIG. 3C, the touch coordinate information recorded in the touch coordinate A is recorded in the touch coordinate B, and the touch coordinate 330 is recorded in the touch coordinate A (S408, S410, S412).

  In an actual scroll operation, some touch move operations are detected between FIGS. 3B and 3C and the screen is updated. Here, for explanation, FIGS. 3B to 3C are used. Suppose you have moved at once.

  When the touch-up is detected at the time of FIG. 3C, the touch coordinate A and the touch coordinate B are compared, and the final moving direction of the drag operation is determined (S414, S416).

  Here, a process for determining the moving direction by comparing the touch coordinates A and the touch coordinates B will be described. The movement direction includes a first direction and a second direction. The first direction is a direction to return to the previous page, and the second direction is a direction to advance to the next page. The returning direction and the advancing direction are determined by the positional relationship between the current position and the previous page. For example, assume that the screen is scrolled up and down and scrolls downward, and the current position is below the previous page. In this case, the advancing direction is downward and the returning direction is upward. Conversely, when scrolling upward and the current position is above the previous page, the forward direction is the upward direction and the backward direction is the downward direction. In order to describe the moving direction of the touch in FIG. 3, a case where the vertical coordinate system increases downward is taken as an example. In the case of this example, if the moving direction is the vertical component of touch coordinates A <the vertical component of touch coordinates B, the moving direction of the page is downward. When the vertical component of the touch coordinate A> the vertical component of the touch coordinate B, the page moving direction is upward. When the vertical component of the touch coordinate A = the vertical component of the touch coordinate B, there is no moving direction.

  3B and 3C, since the current position is below the previous page, the forward direction is the downward direction and the return direction is the upward direction. 3B and 3C, since the touch coordinates 330 are positioned above the touch coordinates 320, the vertical components of the touch coordinates 330 <the vertical components of the touch coordinates 320. As described above, since the information of the touch coordinate 330 is recorded in the touch coordinate A, and the information of the touch coordinate 320 is recorded in the touch coordinate B, the vertical component of the touch coordinate A <the vertical component of the touch coordinate B. The page movement direction is downward. From the above result, it is determined that the last moving direction is the second direction to advance to the next page.

  If the movement direction is determined in the movement direction determination process, the movement destination page is determined, and the movement process to the movement destination page is performed. In the case of FIGS. 3B and 3C, the movement direction is the next page, that is, the second page is the movement destination page, and the movement process to the second page is performed. A screen when the movement process is completed is shown in FIG. 3D (S418, S422, S426).

  Next, screen examples in FIGS. 3E to 3H will be described. FIGS. 3E to 3H show screens for returning to the first page while scrolling from the first page to the second page.

  FIG. 3E shows a screen at the time when touchdown is detected. At this time, as in the process described with reference to FIG. 3A, the touch coordinates 332 when touched down are recorded in the touch coordinates A for recording the previous touch coordinates and the touch coordinates B for recording the current touch coordinates. (S404, S406).

  3 (f) and 3 (g) show a screen in the middle of detecting the touch move and scrolling the image information display. 3B and 3C, at the time of FIG. 3F, the touch coordinate information recorded in the touch coordinate A is recorded in the touch coordinate B, and the touch coordinate 340 is recorded in the touch coordinate A. Record. Even at the time of FIG. 3G, the touch coordinate information recorded in the touch coordinate A is recorded in the touch coordinate B, and the touch coordinate 350 is recorded in the touch coordinate A (S408, S410, S412).

  When the touch-up is detected at the time of FIG. 3G, the touch coordinate A and the touch coordinate B are compared to determine the last moving direction of the drag operation (S414, S416).

  3 (f) and 3 (g), since the current position is below the previous page, the forward direction is the downward direction and the return direction is the upward direction. In the case where the vertical coordinate system increases downward from the procedure for determining the moving direction described above, in the case of FIGS. 3F and 3G, the touch coordinate 350 is positioned below the touch coordinate 340. Therefore, the vertical component of the touch coordinates 350> the vertical component of the touch coordinates 340. As described above, information on the touch coordinate 350 is recorded in the touch coordinate A, and information on the touch coordinate 340 is recorded in the touch coordinate B. Therefore, the vertical component of the touch coordinate A> the vertical component of the touch coordinate B. The moving direction is upward. From the above result, the last moving direction is determined as the first direction to return to the previous page.

  If there is a movement direction in the movement direction determination process, the movement destination page is determined from the last movement direction of the drag operation, and the movement process to the movement destination page is performed. In the case of FIGS. 3F and 3G, since the movement direction is upward, a page existing in the upward direction, that is, the first page is set as the movement destination page, and the movement process to the first page is performed. A screen when the movement process is completed is shown in FIG. 3H (S420, S424, S426).

  As described above, when the drag operation is completed as described above, it is possible to transition to the page desired by the user by determining the destination page based on the last movement direction of the drag operation.

  In the first embodiment, when touched up, the page position of the movement destination is determined according to the last movement direction. However, even if the touch is not touch-moved and stopped just before touch-up, the last moving direction before stopping is determined from the recorded touch coordinates and the moving direction is determined. It is possible to determine the destination page according to.

  As mentioned above, although preferable embodiment of this invention was described, this invention is not limited to these embodiment, A various deformation | transformation and change are possible within the range of the summary.

101 CPU, 103 nonvolatile memory, 105 display means, 106 operation means

Claims (2)

Display control means for controlling to display a display object on the display means (105); (101)
Position input means on the screen of the display means; (106)
When dragging is performed by the position input means, the display object is controlled to be scrolled following the dragging, and when the position input where the dragging has been completed is finished, the last movement of the dragging Depending on the direction, if the last movement direction is the first direction, the display object is scrolled so as to return to the separation position immediately before the currently displayed position of the display object, and the last movement direction Is a second direction, control means (S416, S418, S420, S422, S424) that controls the display object to scroll so as to advance to the next break position of the currently displayed position among the display objects. )
Display control device characterized by having If the input position by the position input means has stopped at the timing immediately before the position input where the dragging has been performed, the control means displays the display according to the last moving direction before the stop. The display control apparatus according to claim 1, wherein the control is performed so that the object is scrolled to the immediately preceding separation position or the next separation position.