JP3051749B2 - Screen scroll control method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Summary] The present invention relates to a screen scroll control method in a data processing device for displaying a display object such as a display screen by moving the display object in a vertical or horizontal direction by a scroll instruction. The purpose of this is to make it possible to perform various kinds of scrolling by natural operations. On the screen or window, there is an editing area where the display target is displayed, and a plurality of different types of frames around the editing area. Means for determining whether the cursor is in the editing area or in any of the plurality of scroll areas, and for an operation input when the cursor is in one of the plurality of scroll areas. Means for scrolling the display target according to the type of scroll area and the position of the cursor in the up, down, left, and right directions with respect to the edit area. Configure to provide.

[Industrial applications]

The present invention relates to a screen scrolling control method in a data processing device for displaying a display target such as a display screen by moving the display target vertically or horizontally by a scroll instruction.

In a word processor or graphic editing processor, when editing text interactively while displaying the text or graphic to be edited on the display, moving the display target by scrolling in order to perform processing within a limited screen Has been done. Since such scroll control greatly affects the quality of the man-machine interface, there is a need for a control method capable of performing work as efficiently as possible.

[Conventional technology]

Conventionally, screen scrolling is performed using cursor movement keys.
This has been done by moving the cursor to the end of the screen and keeping the cursor moving key pressed, or by positioning the cursor on a predetermined scroll area and pressing the mouse button there.

Generally, scrolling can be performed in any of up, down, left, and right directions. However, in the conventional method, scrolling is usually limited to one type of scrolling, such as scrolling one character at a time. Also, if there are multiple types of scrolling methods,
These types had to be selected in advance by a menu or an icon.

Although a dedicated area for instructing scrolling is provided on the screen, fixed symbols and the like are displayed in the area, and are not used for displaying variable information such as an edit target.

[Problems to be solved by the invention]

According to the conventional method, there is a problem that it takes time to move a display target largely within a limited screen, and that it is complicated to adjust an operation amount when moving a certain unit. .

In addition, the method of selecting one of a plurality of types of scrolling methods in advance using a menu or the like has a problem that the selecting operation is complicated.

Also, when a dedicated area for scrolling is provided, if the dedicated area is small, it is difficult to position the cursor on the dedicated area, and if the dedicated area is large, the usable display screen is reduced accordingly. There was a problem.

SUMMARY OF THE INVENTION It is an object of the present invention to solve the above problems, to enable effective use of a screen, to perform various scrolls by natural operations, and to improve operability related to scrolling.

[Means for solving the problem]

 FIG. 1 is a diagram illustrating the principle of the present invention.

In FIG. 1, 10 is a display device, 11 is an editing area for editing operation, 12 is a first scroll area for scroll instruction, 13 is a second scroll area for scroll instruction,
14 is an input device such as a mouse, 15 is a processing device including a CPU and a memory, 16 is a cursor position determining unit, 17 is a cursor display selecting unit, 18 is a scroll control unit, and C1 to C3 are displayed at cursor positions. Represents a cursor figure.

In the present invention, an editing area 11 on which a display target is displayed is provided on a screen or a window of the display device 10, and a plurality of scroll areas 12 and 13 of different types are provided in a frame shape around the editing area 11. .

The cursor position determination unit 16 determines whether the cursor indicating the operation position on the screen is in the editing area 11, the first scroll area 12, or the second scroll area 13.

When the cursor is in the editing area 11, the cursor display selecting section 17 displays the cursor in the form of a cursor graphic C1 shown in FIG.
When the cursor is within the second scroll area 13, the cursor is displayed in the form of a cursor graphic C3, so that the cursor is displayed in the form of a cursor graphic C2. Perform the following processing.

The scroll control unit 18 performs step scroll control for stepwise moving the display target in a certain unit in response to an operation input when the cursor is within the first scroll area 12, and the cursor is moved to the second scroll area 12. In response to the operation input at the time of 13, the scroll control according to the type of the scroll area is performed, such as performing the smooth scroll control for continuously moving the display target in the minimum unit of scroll.

In these scroll controls, when the cursor is located upward with respect to the editing area 11, scrolling is performed to move the display target downward. When the cursor is in the right direction with respect to the editing area 11, scroll is performed to move the display target to the left. The same applies to the downward and leftward directions.

In the display screen of the display device 10 shown in FIG. 1, the boundary between the editing area 11 and the first scroll area 12 and the boundary between the first scroll control 12 and the second scroll area 13 are indicated by dotted lines. Does not show dotted lines and there is no visual boundary between them. The display target to be scrolled is displayed in the entire area including the editing area 11, the first scroll area 12, and the second scroll area 13.

In the example shown in FIG. 1, scroll regions corresponding to two types of scroll methods are provided in a frame shape, but three or more types may be provided.

[Action]

In the present invention, since a plurality of types of scroll areas are provided around the editing area 11, when selecting the type of scroll, it is possible to easily select the type of scroll with one operation and to give a scroll instruction. Depending on the type of the scroll, the operator can easily and quickly scroll by a desired movement amount.

For example, the editing area such as insertion, movement, copying, and deletion is the only area to be edited, but the editing area is displayed only in the editing area 11, the first scroll area 12, and the first area. This is the entire area including the second scroll area 13, and the scroll area is also used as a part of the display area. Therefore, the display area is not reduced by providing the scroll area.

Since there is no visual boundary between these regions, there is no visual annoyance.

Further, the operator can easily determine whether the cursor is currently in the editing area 11, the first scroll area 12, or the second scroll area 13 by the colors or shapes of the cursor graphics C1 to C3. Can be determined.

〔Example〕

FIG. 2 is a configuration example of an editing screen according to an embodiment of the present invention,
FIG. 3 is an explanatory view of scroll control according to an embodiment of the present invention, and FIG. 4 is a processing flow of an embodiment of the present invention.

INDUSTRIAL APPLICABILITY The present invention can be applied to a data processing device that performs, for example, document editing, source program editing, figure editing, and the like.

FIG. 2 shows an example of the configuration of the editing screen, in which reference numeral 20 denotes a title display area for a title representing the window name and contents of the editing screen, and reference numeral 21 denotes a command route bar for selecting an auxiliary function. A command route bar display area 22 indicates a message display area for displaying a message from the system.

The display contents of the title display area 20, the command route bar display area 21, and the message display area 22 are semi-fixed, and are not scrollable.

Around the editing area 11, a first scroll area and a second
Are provided.

The first scroll area includes four step scroll areas 12U, 12D, 12L, and 12R divided into upper, lower, left, and right.
Similarly, the second scroll area is composed of four smooth scroll areas 13U, 13D, 13L, 13R divided into upper, lower, left and right.

The combined area of the edit area 11, the step scroll area, and the smooth scroll area is used for displaying the edit content to be scrolled.

For example, the cursor moves in the screen by operating the mouse. When the cursor is in the editing area 11, the cursor position is displayed in the form of a cursor graphic C1 shown in FIG. When the cursor is within the step scroll areas 12U, 12D, 12L, 12R, the cursor is displayed in the form of cursor graphics C2U, C2D, C2L, C2R, respectively.

Similarly, the cursor moves to the smooth scroll area 13U, 13D,
Cursor figures C3U, C when in 13L, 13R
It is displayed in the form of 3D, C3L, C3R.

An example of scroll control in the case of editing a tree structure diagram as shown in FIG. 3A using this editing screen will be described.

The object to be edited in this example is a box such as A, B, C,... Connected by a line in a tree structure. These boxes are conceptually blocked areas b11, b12, ...
Placed in Each block has a size to store n rows × m columns of characters.

Editing operations include writing a character string in a box, inserting, deleting, copying, and moving a box.

When the editing target shown in Fig. 3 (a) is displayed on the screen,
It is displayed as shown in FIG.

This display screen has an editing area 11 and a first scroll area.
12 and a second scroll area 13. In order to make the explanation easy to understand, the boundaries of the areas are shown by dotted lines, but in practice, the dotted lines shown in FIG.
Region boundaries are not visualized.

When the cursor is in the editing area 11, the cursor is displayed in the form of a cursor graphic C1. When the mouse button is clicked at the position of the cursor graphic C1 shown in FIG. 3B, it is determined that an editing operation has been instructed, and an editing function menu is displayed. Alternatively, it is determined that the target of an editing operation such as copying or deletion has been instructed, and it is recognized that the box is F.

When the cursor is in the lower first scroll area 12, the cursor is displayed in the form of a cursor graphic C2D. If the mouse button is clicked here, it is determined that the step scroll has been selected. In this step scroll, the editing target shown in FIG. 3A is scrolled by one block, and the display frame moves downward by n lines. The display content on the screen moves upward.

When the cursor is in the lower second scroll area 13, the cursor is displayed in the form of a cursor graphic C3D. Here, when the mouse button is pressed, it is determined that the smooth scroll is selected. In this smooth scrolling, the editing target shown in FIG. 3 (a) is sequentially scrolled line by line.

In step scroll, display movement of only one block is performed in response to one mouse button press. In smooth scroll, control is performed so that scrolling continues continuously while the mouse button is pressed.

 The same applies to scroll instructions other than downward.

Although the editing of a tree structure diagram has been described as an example, in the case of editing a document such as a word processor, there are multiple types of scrolling, such as scrolling in units of lines / columns, units of nodes, or units of preset tab positions. Means can be prepared to improve operability.

The flow of processing according to one embodiment of the present invention is as shown in FIG. Hereinafter, description will be made in accordance with the processing shown in FIG.

It is determined whether or not the cursor has been moved based on an input from the mouse or the like. If the cursor has not been moved, the process moves to processing.

When the cursor is moved, the coordinates are calculated and a new cursor position is obtained.

 Next, the area where the cursor is located is checked.

The cursor moves to the edit area, smooth scroll area,
A cursor figure is selected according to which of the step scroll areas the cursor is in and displayed at a new cursor position.

Determines if the mouse button is ON. OFF
If, return to the process and wait for the next input.

If the mouse button is ON, determine whether the cursor is currently in the smooth scroll area. If it is not in the smooth scroll area, go to processing.

When the cursor is in the smooth scroll area, the display target is scrolled in the minimum unit of scrolling such as dots or characters. Then, the process returns.

Determines if the cursor is in the step scroll area when the mouse button is ON. If it is not in the step scroll area, it will be in the edit area.
Move on to processing.

When the cursor is in the step scroll area, it is determined whether scroll processing has already been performed in response to the current mouse button press. If so, the process returns. Whether or not scrolling has been completed can be determined using a flag. Resets the flag when the mouse button is turned off.

If not already scrolled, the display object is scrolled by one block of a predetermined size. Then, the process returns.

When a mouse button is pressed in the editing area, an editing function menu is displayed, and an editing process or the like is performed according to the selection of the editing function.

If "end" is selected in the menu of the editing function, the processing is ended. When the processing is continued, the control is returned to the processing, and the processing is repeated in the same manner.

〔The invention's effect〕

As described above, according to the present invention, various scrolls can be selected by a simple operation, and efficient scrolling can be performed. Also, for the scroll area,
The display screen for editing does not become small. Therefore, operability is improved, and editing work and the like can be performed efficiently.

[Brief description of the drawings]

FIG. 1 is a diagram for explaining the principle of the present invention, FIG. 2 is a configuration example of an editing screen according to an embodiment of the present invention, FIG. 3 is a diagram for explaining scroll control according to an embodiment of the present invention, and FIG. 1 shows a processing flow of an embodiment of the present invention. In the figure, 10 is a display device, 11 is an editing region, 12 is a first scroll region, 13 is a second scroll region, 14 is an input device, 15 is a processing device, 16 is a cursor position determination unit, and 17 is a cursor display. The selection unit 18 is a scroll control unit, and C1 to C3 are cursor figures.

Continuation of front page (56) References JP-A-2-37394 (JP, A) JP-A-2-114321 (JP, A) JP-A-63-102461 (JP, A) (58) Fields investigated (Int .Cl. ⁷ , DB name) G09G 5/00-5/40 G06F 3/037 G06F 3/14 360

Claims (4)

(57) [Claims] 1. A screen scrolling control method in a data processing device for moving a display target of a display screen or a window on the display screen in a vertical direction or a horizontal direction in accordance with a scroll instruction and displaying the display target. Are displayed, and a plurality of scroll areas having different types of scrolling methods are framed around the edit area, and a scroll area is formed by combining the edit area and the plurality of scroll areas. A target display target is configured to be displayed, and each of the plurality of scroll areas is divided into a plurality of areas corresponding to each of a plurality of scroll directions, and a cursor is set in the edit area. To determine whether the cursor is located in one of a plurality of scroll areas, and With respect to the operation input when in one of the roll area, depending on the position of the cursor relative to the type and editing area of the scroll area, scroll control method characterized by comprising a means for scrolling the displayed. 2. The apparatus according to claim 1, further comprising a cursor display selecting means for changing a display mode of the cursor depending on whether the cursor is located in the editing area or in the plurality of scroll areas, and displaying a position of the cursor. The screen scrolling control method according to claim 1, wherein 3. The method according to claim 1, wherein there is no visual boundary between the editing area and the plurality of scroll areas.
Or a screen scroll control method according to claim 2. 4. A method according to claim 1, wherein the plurality of scroll areas include a step scroll area for instructing a step scroll for moving the display object stepwise in a certain unit and a smooth scroll for instructing the display object to move continuously in the minimum scroll unit. 4. The screen scrolling control method according to claim 1, further comprising a smooth scrolling area.