JP2003131642A - Electronized document browsing device, method, and storage medium - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily longitudinally scroll a display document on a portable terminal with a jog, etc., only by the jog when the display document is too large to display on a screen. SOLUTION: This device is equipped with a means for laying out a document on a plane, a means for displaying a display area of certain size of the laid-out document, a means for enabling a user to indicate at least two directions, a means for moving the display area on the plane to the right or left according to the two indicated directions, a means for detecting the display area having been moved to the right end or left end of the layout plane, and a means for putting the display area back to the left end or right end and moving the display area up or down when the display area has been moved to the right end or left end.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic document browsing apparatus, method, and storage medium, and more particularly to an electronic document browsing apparatus, method, and recording medium for scroll-displaying a portion that does not fit on a screen.

[0002]

2. Description of the Related Art When displaying a digitized document on a screen of a limited size, only the range that can fit in the screen is displayed.
A technique of displaying the entire document by scrolling the display range is often used. When instructing this scroll operation, what is generally called a keyboard or pointing device is used. For example, a cursor key or mouse is used in a desktop computer, and a cursor key (cross key) is used in a game machine or the like.

Further, in a device such as a mobile phone or a portable information terminal which is small in size, a relatively small part such as a jog shuttle or a jog dial (hereinafter collectively referred to as "jog") is used for scrolling in order to save space. Used to give instructions. The jog can be operated in three directions: up and down and pushed in. Of these, when scrolling, the jog is pushed up (or turned up) to move the display range up and down (or down). turn)
The conventional usage is to move the display range downward. In addition, the jog not only saves space but also has the advantage that it can be operated with one hand while holding the device.

[0004]

However, if the document to be displayed does not fall within the display range not only in the vertical direction but also in the horizontal direction, there is a problem that only one of the scrolls can be scrolled by raising or lowering the jog. .

[0005]

In order to solve the above-mentioned problems, the invention according to claim 1 is to provide a means for laying out a document on a plane and a means for displaying a display area of a fixed size in the laid-out document. And means for allowing the user to specify at least two directions, means for moving the display area on the plane to the right or left according to the specified two directions, and detecting that the display area has moved to the right edge or the left edge of the layout plane. Means and means for returning the display area to the left end or the right end and moving the display area downward or upward when the display area moves to the right end or the left end, respectively.

Further, in the invention of claim 4, means for laying out a document on a plane, means for displaying a display area of a fixed size in the laid out document, and "vertical" indicating a moving direction of the display area. Alternatively, a means for holding the state of "horizontal", a means for allowing the user to instruct at least three directions, and a means for alternately changing the state indicating the movement direction to "vertical" and "horizontal" in accordance with an instruction in one direction of the instructing means. When the state indicating the moving direction is "vertical", the display area on the plane is up and down, and the state is "horizontal".
In the case of, a means for moving left and right is provided.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION [First Embodiment] An electronic document browsing apparatus according to a second embodiment of the present invention will be described below with reference to FIGS.

FIG. 1 is a block diagram showing the schematic arrangement of an electronic document browsing apparatus according to the first embodiment of the present invention. In FIG. 1, reference numeral 1 is an electronic document browsing apparatus, 2 is a CPU that controls the entire apparatus, and 3 is a ROM, which internally includes an OS, a window system, and an OS including programs corresponding to the flowchart shown in FIG. Application programs, etc. are preset. 4 is RAM and C
It provides a work area required when the PU operates. Reference numeral 5 is a flash ROM which stores the document displayed by the document browsing apparatus 1, but a part of the program can also be stored therein.

A bus 6 connects 2, 3, 4, and 5. A display controller 7 controls the display and is connected to the bus 6. A VRAM 8 holds a data image to be displayed and is connected to the display controller 6. The CPU 2 outputs the image to be drawn via the bus 6 and the display controller 7 to V
Write to RAM8. Reference numeral 9 denotes a display, which displays the image written in the VRAM 8 on its screen according to an instruction from the display controller 7.

Reference numeral 10 is a jog operated by the user, and 11 is a menu button used when the user displays or erases a menu. An I / O controller 12 serves to notify the CPU of an operation on the jog 10 or the menu button 11. An external connection connector 13 is connected to the bus 6 via the I / O controller 12 and is used for downloading document data and programs to the flash ROM 5 from the outside.

FIG. 2 shows an example in which the electronic document browsing apparatus 1 is actually displaying a document. Reference numeral 21 indicates character data in the document.
Reference numeral 22 indicates that the image data embedded in the document is displayed on the display 9, respectively.

FIG. 3 is a flow chart showing an example of processing in the electronic document browsing apparatus according to the present invention. The processing will be described below with reference to FIGS. 3 and 4 to 12. Note that S1 to S33 indicate each step.

1. The scroll mode, which is a variable secured in the RAM 4, is set to "horizontal", and the cursor display mode is set to "N".
The horizontal scroll width x is initialized to W (width of the display 9) and the vertical scroll width Δy is initialized to H (height of the display 9) (step S1).
See FIG. 4 for W and H. Here, if Δx and Δy are set to be slightly smaller than W and H, respectively, the display areas overlap before and after scrolling, so that the user does not lose sight of how much they have read.

2. The document data is read from the flash ROM 5 and laid out (step S2). FIG. 4 shows the relationship between the laid out document and the display. Here, the document is laid out on the plane 41, but this plane 41 is virtual and the substance of the layout result is the data structure secured in the RAM 4. In FIG. 4, the area where the plane 41 and the display 9 overlap is the area that is actually displayed, and the other parts that are written with dotted lines are not displayed.

3. The height of the layout plane 41 of FIG. 4 is substituted for the variable h in the RAM 4. Layout plane 4
Variables x and y representing the position coordinates (upper left corner) of the display 9 within 1 are initialized to the origin (0, 0), and a variable cursor # y representing the cursor display position is also initialized to 0 (step S3).

4. The data in the display area of position (x, y) size W × H is displayed on the display 9 (step S
4).

5. The value of the cursor display mode is checked (step S).

6. Only when the value of the cursor display mode is Yes, the cursor 81 is displayed at the coordinates (x, cursor # y) in the plane 41 as shown in FIG. 8 (step S
6). The cursor 81 is displayed as a frame surrounding a part (one line in the display 9) of the document which is assumed to be currently viewed by the user. If the line viewed by the user is an image, the result is as shown in FIG. In the case of an image, the entire image is surrounded by a frame, and the portion protruding from the display area is clipped as shown in FIG.

7. The length of the longest line currently displayed is substituted into the variable w in the RAM 4 (step S7).

8. Wait for jog 10 input (step S
8).

9. The type of jog input is checked (step S9).

10. Only when the jog is pressed, the scroll mode is switched and the process returns to step S8.
The switching is switched to "horizontal" when the value of the scroll mode is "vertical" and to "vertical" when the value is "horizontal" (step S1).
0).

11. The value of the cursor display mode is checked (step S11).

12. Only when the value of the cursor display mode is Yes, the cursor 81 displayed in S6 is erased (step 12).

13. The relationship between the scroll mode value and w, W is checked (step S13).

<When the value of the scroll mode is “horizontal” or w>W> The input direction of the jog 10 in S8 is checked (step S14) <When the jog is upward input> I. Check if the variable x is 0 (step S15) <If x is not 0> a) Subtract Δx from x (step S16) b) Check if x is smaller than 0, and if not smaller, S
Return to step 4 (step S17) c) Only when x is smaller than 0, set x to 0 and return to step S4 (step S18) <When x is 0> a) Set the value of x to w-W and set cursor # y to Set the value to the position of the previous row (step S19) b) Compare cursor # y and y, cursor # y <
If y, the process returns to step S28; otherwise, returns to step S4 (step S20). Check whether the variable x is w-W (step S21) <If x is not w-W> a) Add Δx to x (step S22) b) Check if x is smaller than w-W, and if not, go to S4 Return (step S23) C) When x is smaller than w-W, x is set as w-W and S4
(Step S24). When the cursor display mode is “No” when returning to S4 and proceeding to S8, the display is as shown in FIG. 5, and when “Yes” is as shown in FIG. 9 <when x is w−W> A) The value of x is set to 0, and the value of cursor # y is set to the position of the next row (step S25). B) curser # y-y is compared with Δy, and curso is set.
If ry # y ≧ Δy, go to step S31; otherwise, go to S
It returns to 4 (step S26). Here, returning to S4, S
When the cursor display mode is “No” when the process goes to 8, the result is as shown in FIG. 4, and when the cursor display mode is “Yes”, it is as shown in FIG.
It becomes like. When jumping to S31 here, the cursor should have been displayed on the last line in step S8 as shown in FIG.

<When the value of the scroll mode is “vertical” or w ≦ W> The input direction of the jog 10 in S8 is checked (step S27) <When the jog is upward input> I. Subtract Δy from y (step S28) II. It is checked whether y is smaller than 0, and if not smaller, the process returns to S4 (step S29) III. Only when y is smaller than 0, y is set to 0 and S4 is executed.
(Step S30) <When Jog is Downward Input> I. Add Δy to y (step S31) II. It is checked whether y is larger than h-H, and if not larger, the process returns to S4 (step S32). Here, when returning to S4 and proceeding to S8, the cursor display mode is set to "N
When it is "o", it becomes like FIG. 6, and when it is "Yes", it becomes like FIG. y is h-
It is set to H and the process returns to S4 (step S33).

That is, when the scroll mode is "horizontal", when the jog 10 lowering operation is repeated, the horizontal scrolling is repeated by the number of lines in the display area (FIG. 4 and FIG. 5, or FIG. 8 and FIG. 9 and FIG. 10). 11) and scroll downward (FIG. 6 or 12), and in the case of the jog 10 raising operation, scroll in the opposite direction. If the scroll mode becomes "vertical" by pressing the jog 10 or if you do not need to scroll horizontally in the display area, lower the jog 10 to scroll down and raise the jog 10 to move up. Scroll to.

Next, how to switch the cursor display mode will be described. When the menu button 11 is pressed in FIG. 2, the setting menu is displayed on the screen as shown in FIG. The list of items whose settings can be changed in FIG. 7 is 72. The selection cursor 73 indicates the currently selected item, and the selection cursor 73 can change the selected item by raising or lowering the jog 10.

In FIG. 7, "cursor display" is selected. The “x” mark of 74 indicates that the cursor display mode is “Yes”
Indicates that. When the jog 10 is pushed in in this state, the "x" mark disappears and the cursor display mode becomes "No", and when it is pushed again it becomes "Yes" again (toggle) to clear the setting menu and return to the original screen. Is
Also, press the menu button 11 or 75 "close"
Move the cursor to the item and press jog 10.

Further, in FIG. 7, the cursor is displayed as "N
"o" and the second item is "One line scroll"
FIG. 13 shows the effective state. "One line scroll"
When is enabled, Δy in the flowchart of FIG. 3 is set to the height of the character font, and when disabled, Δy becomes H which is the height of the display 9. When the "single line scroll" is enabled, the jog 10 is lowered to change to the state shown in Figs. 4 and 5, and then the screen is scrolled by one line as shown in Fig. 14 (when the jog 10 is raised, this reverse order). .

In this mode, raising and lowering of the jog is as if looking at the display 9 from rolling up (lowering) the object having the layout plane 41 as a cylinder like a screw, as shown in FIG. There is an advantage that it is easy to intuitively understand where you are currently reading without displaying.

[Second Embodiment] Next, an electronic document browsing apparatus according to a second embodiment of the present invention will be described. The second form example has almost the same configuration and operation as the first form example,
The switching method of the scroll mode is different.

In the second embodiment, the scroll mode is not switched when the jog 10 is pushed in, but the setting menu is displayed as shown in FIG. In FIG. 16, in addition to the two items shown in FIGS. 7 and 13, an item called “vertical scroll” is added. Select this item and enable "Vertical Scroll" to set the scroll mode to "Vertical", and disable it to "Horizontal".

[0035]

As described above, according to the present invention, when the display document does not fit on the screen and the screen is not completely filled, if the jog operation is repeated, the horizontal scroll is repeated appropriately and then the vertical scroll is performed. Therefore, there is an effect that the document can be browsed all over with a simple operation.

By displaying a cursor indicating the user's viewpoint, it is possible to determine when vertical scrolling is performed.
There is an effect that it can be shown to the user.

Furthermore, if the single line scroll mode is used,
Further, there is an effect that the vertical and horizontal scrolling can be intuitively performed.

According to the second embodiment, since the setting can be changed only by operating the jog 10 without using the menu button 11, all operations can be performed with one hand while holding the electronic document browsing device. Is effective.

[Brief description of drawings]

FIG. 1 is a block diagram showing an example of an information processing system to which an electronic document browsing apparatus showing first and second embodiments of the present invention can be applied.

FIG. 2 is a diagram showing a display example of a digitized document in the first and second exemplary embodiments of the present invention.

FIG. 3 is a diagram showing a flowchart illustrating a process in the first embodiment of the present invention. In this figure, step S
If 10 is changed to “display a setting menu”, the description of the second embodiment can be made as it is.

FIG. 4 is a diagram showing a relationship between a plane on which a document is laid out and a display screen in the first and second exemplary embodiments of the present invention.

FIG. 5 is a diagram showing a display when the jog is once lowered in FIG.

FIG. 6 is a diagram showing that vertical scrolling occurs by repeatedly raising and lowering the jog in FIG. 4.

FIG. 7 is a diagram showing a state where a setting menu is displayed by pressing the menu button in FIG. 2 and “cursor display” is enabled.

FIG. 8 is a diagram showing a relationship between a plane on which a document is laid out and a display screen when “cursor display” is enabled in FIG. 7.

FIG. 9 is a diagram showing a display when the jog is once lowered in FIG.

FIG. 10 is a diagram showing a display when the jog is further lowered once in FIG.

FIG. 11: Repeatedly lowering the jog from FIG.
Image showing that the cursor is at the very end of the line

FIG. 12 is a diagram showing that vertical scrolling has occurred by further lowering the jog from FIG. 11.

FIG. 13 is a diagram showing a setting menu displayed by pressing the menu button in FIG. 2 and "one-line scrolling" is enabled.

FIG. 14 is a diagram showing a state where the jog is once lowered in FIG. 5 when the one-line scroll is enabled.

FIG. 15 is a conceptual diagram showing a one-line scroll operation.

FIG. 16 is a diagram showing that the setting menu is displayed by pressing the jog in the state of FIG. 2 and “vertical scroll” is enabled in the second example of the present invention.

[Explanation of symbols]

1 Electronic document browsing device 2 CPU 3 ROM 4 RAM 5 Flash ROM 6 buses 7 Display controller 8 VRAM 9 display 10 Jog 11 Menu button 12 I / O controller 13 External connector 21 Character data display 22 Image data display 41 Layout plane 81 cursor

   ─────────────────────────────────────────────────── ─── Continued front page    F-term (reference) 5B019 HD04                 5C082 AA05 AA21 BA02 BB15 BB53                       CA02 CA54 CA72 CA76 CB06                       DA53 DA63 DA73 DA86 MM02                       MM09                 5E501 AA04 AA12 AA17 AB03 BA05                       FB32                 5K023 AA07 BB11 GG03 HH01 HH06

Claims (6)

[Claims] 1. A means for laying out a document on a plane, a means for displaying a display area of a certain size in the laid out document, a means for allowing a user to specify at least two directions, and a means for deciding according to the specified two directions. A means for moving the display area on the plane to the right or the left, a means for detecting that the display area has moved to the right edge or the left edge of the layout plane, and a means for moving the display area to the left edge or the left edge when the display area moves to the right edge or the left edge. An electronic document browsing apparatus comprising: means for moving the display area downward or upward while returning to the right end. 2. A step of laying out a document on a plane, a step of displaying a display area having a certain size in the laid out document, a step of allowing a user to specify at least two directions, and a step of following two specified directions. Moving the display area to the right or left on the plane, detecting that the display area has moved to the right or left edge of the layout plane, and moving the display area to the left or right edge when the display area has moved to the right or left edge. A method of browsing an electronic document, comprising the steps of returning the display area to the right end and moving the display area downward or upward, respectively. 3. A routine for laying out a document on a plane, a routine for displaying a display area having a certain size in the laid out document, a routine for allowing a user to designate at least two directions, and a routine for following two designated directions. A routine that moves the display area on the plane to the right or left, a routine that detects that the display area has moved to the right edge or the left edge of the layout plane, and a routine that moves the display area to the left edge or the left edge when the display area moves to the right edge or the left edge. A storage medium comprising a routine for returning the display area to the right end and moving the display area downward or upward, respectively. 4. A means for laying out a document on a plane, a means for displaying a display area of a fixed size in the laid out document, and a state of "vertical" or "horizontal" indicating a moving direction of the display area. A means for holding, a means for allowing the user to instruct at least three directions, a means for alternately changing the state indicating the movement direction to "vertical" and "horizontal" in accordance with an instruction in one direction of the instructing means, and a display area on a plane. If the state indicating the movement direction is "vertical", follow the directions of the remaining two directions of the instruction means,
An electronic document browsing device comprising: means for moving left and right when the state is "landscape"; 5. A step of laying out a document on a plane, a step of displaying a display area of a fixed size in the laid out document, and a state of “vertical” or “horizontal” indicating a moving direction of the display area are set. A step of holding, a step in which the user can specify at least three directions, a step of alternately changing the state indicating the movement direction to “vertical” and “horizontal” according to an instruction in one direction of the instructing step, and a display area on a plane. If the state indicating the movement direction is "vertical", follow the instructions in the remaining two directions of the instruction process,
A method for browsing an electronic document, which comprises the step of moving to the left or right when the state is “landscape”. 6. A routine for laying out a document on a plane, a routine for displaying a display area of a fixed size in the laid out document, and a state of “vertical” or “horizontal” indicating the moving direction of the display area. A routine for holding, a routine that allows the user to specify at least three directions, a routine that alternately changes the state indicating the movement direction to “vertical” and “horizontal” according to one direction instruction, and a display area on a plane. According to the remaining two directions of the instruction routine, when the state indicating the movement direction is “vertical”, it moves up and down, and when the state is “horizontal”, it moves to the left and right. Storage medium.