JP4627090B2 - Terminal device and program - Google Patents

Description

The present invention relates to a terminal device including a detecting unit that detects a position on a display, and a program.

In a terminal device having a detecting means for detecting a position on a display represented by a touch panel, software keys are displayed on the display unit, the coordinates of the position touched on the touch panel are detected, and the software corresponding to the detected coordinates Technologies that perform key functions are widely used. Software keys can provide a user with only necessary keys according to the state being executed in the terminal device, and thus improve usability in an easy-to-understand manner. In order to further improve this function, a technique of changing the display direction of the software key in accordance with the holding direction (vertical and horizontal) of the terminal device is also disclosed (see Patent Document 1).

JP 2001-242845 A

However, in the above-mentioned prior art, the position of the key of the software key is fixed, so the key to be operated is a right hand or left hand, or a key that is frequently used in relation to the displayed contents. However, there is a problem that the position may not be easy to operate.

An object of the present invention is to display a software key at a position where a user can easily perform a position instruction operation, and to reliably perform a software key position instruction operation.

In order to solve the above-described problem, the invention described in claim 1 is a terminal device having a display unit having a touch screen, a position detection unit for detecting a touch operation position on the touch screen of the display unit, and an apparatus housing Direction detection means for detecting the orientation of the display, orientation determination means for determining the display orientation from the orientation of the apparatus housing detected by the orientation detection means, and the position detection means detected on the touch screen of the display unit. Display control means for displaying a software key corresponding to the display orientation determined by the orientation determination means at the touch operation position, and a display area of the software key displayed on the touch screen of the display unit by the display control means a wide area, the touch operation detection area setting means for setting the touch operation detection area for detecting a touch operation on the software key, the Detection region overlap determination means for determining whether or not there is overlap between the first touch operation detection region set by the touch operation detection region setting means and the second touch operation detection region of another software key, The touch operation detection area setting means does not overlap the second touch operation detection area when the detection area overlap determination means determines that the first touch operation detection area overlaps the second touch operation detection area. As described above, the first touch operation detection area is adjusted .

In a second aspect of the present invention, in a terminal device having a display unit having a touch screen, position detection means for detecting a touch operation position on the touch screen of the display unit, and direction detection for detecting the direction of the device housing Means, a direction determining means for determining a display direction from the orientation of the apparatus housing detected by the direction detecting means, and a touch operation position detected by the position detecting means on the touch screen of the display unit. Display control means for displaying a software key corresponding to the display orientation determined by the determination means, and an area wider than the display area of the software key displayed on the touch screen of the display unit by the display control means, Touch operation detection area setting means for setting a touch operation detection area for detecting a touch operation on the software key, and the touch operation detection area setting means The first touch operation detection area set by the display area overlap determination means for determining whether or not the display area of another software key overlaps, and the first touch operation detection area is determined by the display area overlap determination means. And an invalid display means for displaying the invalidity of the other software key when it is determined that it overlaps the display area of the other software key .

In the invention according to claim 3 subordinate to either claim 1 or 2, when the display control means has no object to be touched at the touch operation position detected by the position detection means, The software key is displayed .

In the invention according to claim 4 that depends on either of the above-mentioned claims 1 and 2, the display control means is a target of the touch operation at the touch operation position detected by the position detection means while displaying the software key. When there is no object to be displayed, the software key being displayed is erased .

In the invention described in claim 5 when dependent on any one of the claims 1 or 2, wherein the display control unit, the display control means at the periphery of the touch operation position detected by said position detecting means said display unit When the software key displayed by the above does not fit in the display unit, the software key is moved to a position that fits in the display unit and displayed .

In the invention according to claim 6 subordinate to either claim 1 or 2 , the terminal device can further take a plurality of forms, and the present form is discriminated among the plurality of forms. The display control means further comprises a form determining means, and the display control means displays the software key when the form determined by the form determining means is a predetermined form .

The invention according to claim 7 is a program to be executed by a computer mounted on a terminal device having a display unit having a touch screen, and a position detection step of detecting a touch operation position on the touch screen of the display unit; An orientation detection step for detecting the orientation of the device casing; an orientation determination step for discriminating a display orientation from the orientation of the device casing detected by the orientation detection step; and the position detection step on the touch screen of the display unit. A display control step for displaying a software key corresponding to the display orientation determined by the orientation determination step at the touch operation position detected by the step, and a software key displayed on the touch screen of the display unit by the display control step. A touch area that is wider than the display area and that detects a touch action on the software key. The touch operation detection area setting step for setting the detection area, the first touch operation detection area set in the touch operation detection area setting step, and the second touch operation detection area of another software key are duplicated. A detection region overlap determination step for determining presence / absence, and in the touch operation detection region setting step, it is determined by the detection region overlap determination step that the first touch operation detection region overlaps the second touch operation detection region. In this case, the first touch operation detection area is adjusted so as not to overlap the second touch operation detection area .

In the invention described in claim 8, the computer to be mounted on a terminal device having a display unit with a touch screen, a position detecting step of detecting a touch operation position on the touch screen of the display unit, of the apparatus housing A direction detecting step for detecting a direction; a direction determining step for determining a display direction from a direction of the apparatus housing detected by the direction detecting step; and a touch detected by the position detecting step on the touch screen of the display unit. A display control step for displaying a software key corresponding to the display orientation determined by the orientation determination step at the operation position, and a display area of the software key displayed on the touch screen of the display unit by the display control step. Touch operation for setting a touch operation detection area for detecting a touch operation on the software key. A detection area setting step, a first touch operation detection area set by the touch operation detection area setting step, a display area overlap determination step of determining the presence or absence of overlap between the display regions of other software key, the display When it is determined in the area overlap determination step that the first touch operation detection area overlaps the display area of another software key, an invalid display step for displaying the invalidity of the other software key is executed. To do.

According to the present invention, the software key is displayed at a position where the user can easily perform the position instruction operation, and the software key position instruction operation can be surely performed.

The block diagram which showed the basic component of the mobile telephone applied as a terminal device. FIG. 2 is an external view of a mobile phone, (1) is an illustration showing an open style in which the operation unit casing A and the display unit casing B are folded open, and (2) is an operation unit casing from the above open style. The figure which showed the view style of the state which, after rotating the display part housing | casing B 180 degrees with respect to A, the display part housing | casing B was folded with respect to the operation part housing | casing A. The flowchart which showed the outline | summary of the whole operation | movement of the mobile telephone started execution according to power activation (ON). The flowchart following the operation | movement of FIG. (1)-(4) is the figure which showed the example of a display when a display direction is vertical and a touch operation is performed except a software key and a character input area. (1)-(2) is the figure which showed the example of a display when a display direction is sideways and a touch operation is performed except a software key and a character input area. (1)-(2) is the figure which showed the example of a display when a pop-up key does not fit in a display centering on the position where the display direction was vertical, and the touch operation was carried out. (1)-(4) is the figure which showed the example of a display when a display direction is vertical and the coordinate position detection area of a pop-up key overlaps with the coordinate position detection area of another software key. (1)-(4) is the figure which showed the example of a display when a display direction is vertical and the coordinate position detection area of a pop-up key overlaps with the display of another software key.

Hereinafter, embodiments of the present invention will be described with reference to FIGS.
This embodiment exemplifies the case where the present invention is applied to a mobile phone as a terminal device, and FIG. 1 is a block diagram showing basic components of the mobile phone.
The control unit 1 operates by supplying power from the power supply unit 2 including a secondary battery, and controls the overall operation of the mobile phone according to various programs in the storage unit 3. Are provided with a CPU (Central Processing Unit) and a memory (not shown).

The storage unit 3 is an internal memory such as a ROM or a RAM, and has a program area and a data area (not shown). In this program area, the present embodiment is implemented in accordance with operation procedures shown in FIGS. A program for realizing this is stored. The storage unit 3 may be configured to include a removable portable memory (recording medium) such as an SD card or an IC card, or may be on a predetermined external server (not shown).

The operation unit 4 performs dial input, character input, command input, and the like, and the control unit 1 performs various processes such as transmission processing, e-mail creation processing, and the like as processing corresponding to the operation signal from the operation unit 4. Perform processing. The communication unit 5 includes a radio unit, a baseband unit, a demultiplexing unit, etc. (not shown), for example, for transmitting and receiving data to and from the nearest base station when the call function, e-mail function, and Internet connection function are operated. In the operation of the call function, a signal is taken from the receiving side of the baseband unit and demodulated into a received baseband signal, and then the voice is output from the calling speaker SP via the telephone unit 6, and from the calling microphone MC. Input voice data is captured from the telephone unit 6 and encoded into a transmission baseband signal, which is then given to the transmission side of the baseband unit and transmitted from the antenna ANT.

The display unit 7 uses, for example, a high-definition liquid crystal or organic EL, and displays icons, character data, a standby image, a photographed image, etc., and touches an object such as a finger or an instrument on the display panel. A touch screen TD is configured by laminating and arranging a coordinate position detection unit (transparent touch panel forming a touch operation surface) 8 that detects an operation position (coordinate position). The coordinate position detection unit 8 configuring the touch screen TD is a coordinate input unit that detects a coordinate input operation (touch operation) for inputting the coordinate position on the touch screen TD (display unit 7).

The direction detection unit 9 is configured by a three-axis type acceleration sensor or the like. The control unit 1 determines whether the mobile phone body is placed vertically or horizontally with respect to the direction of gravity based on a detection signal from the direction detection unit 9. The position is detected. The style detection unit 10 detects the style of the mobile phone main body according to the connection state of a plurality of casings constituting the mobile phone main body, and includes, for example, a configuration including a magnetic sensor, a micro switch, a mechanical switch, and the like. The control unit 1 determines each style of the apparatus main body based on each detection signal from the style detection unit 10.

FIG. 2 is an external view of the mobile phone.
The mobile phone is a two-axis hinge type telephone device that can be changed into a plurality of styles according to the connection state of a plurality of housings constituting the device main body, and an operation unit housing A and a display unit constituting the device main body. It is a biaxial hinge type in which a display unit housing B having a fold is connected via a hinge unit C so that it can be folded and opened and rotated. The hinge portion C is provided with an opening / closing hinge shaft for folding and closing the operation portion housing A and the display portion housing B, and one housing is substantially orthogonal to the opening / closing hinge shaft. And a pivot hinge shaft for pivoting with respect to the other casing. The operation section casing A and the display section casing B can be folded open / closed and rotated via the hinge section C. It is connected freely.

Such a biaxial hinge type mobile phone has a plurality of styles (closed style, open style) depending on how the operation unit casing A and the display unit casing B are connected. 2 (1) shows an open style in a state where the folding of the operation unit casing A and the display unit casing B is opened. The operation unit 4 shown in FIG. 1 is arranged on the inner surface side of the operation unit casing A, and the touch screen TD shown in FIG. Therefore, in the open style, the operation unit 4 and the touch screen TD can be used and the display contents thereof can be visually recognized. FIG. 2 (2) shows a state in which the display unit casing B is folded with respect to the operation unit casing A after the display unit casing B is rotated by 180 ° with respect to the operation unit casing A from the above open style. In this view style, the operation unit 4 is covered with the display unit casing B, but the touch screen TD is exposed.

Next, the operation concept of the mobile phone in this embodiment will be described with reference to the flowcharts shown in FIGS. Here, each function described in these flowcharts is stored in the form of a readable program code, and operations according to the program code are sequentially executed. Further, it is possible to sequentially execute the operation according to the above-described program code transmitted via a transmission medium such as a network. That is, in addition to the recording medium, an operation specific to this embodiment can be executed using a program / data supplied externally via a transmission medium.

First, when a power-on operation is performed in the mobile phone, the control unit 1 performs initial processing such as clearing a predetermined memory (step S1 in FIG. 3), and then reads and displays a predetermined standby image. In the waiting state (step S2).

In this standby state, when an incoming call is detected from the communication unit 5 (YES in step S3), in response to an off-hook operation for connecting the line (YES in step S6), a call process for making a call ready state is started (step S6). S7). In response to the subsequent on-hook operation (YES in step S8), line disconnection processing is executed (step S9), and then the process returns to step S3 described above.

If no incoming call is detected in step S3 (NO in step S3) and a touch operation on the touch panel is detected (YES in step S4), the coordinate of the position touched by the coordinate position detector 8 is detected. (Step S10), it is determined whether or not the coordinates of the detected position is an area where the software key is displayed (Step S11), and if it is determined that the area is the area where the software key is displayed (Step S11) YES), the software key at the touched position is processed (step S13), and the process returns to the above-described step S3.
[?] Illustrated in FIG. ] When a position corresponding to the position of a software key such as [■] is touched, [? ], The help screen is displayed, and if [■], the setting screen is displayed.

Next, when it is determined that the area is not the area where the software key is displayed (NO in step S11), it is determined whether or not it is a character input area (step S12), and it is determined that the area is a character input area. (YES in step S12), the cursor is moved to the touched position (step S14), and the process returns to step S3 described above.
When a position corresponding to a character input area such as [Tokyo Higashiyamato City] illustrated in FIG. 5A is touch-operated, the cursor is moved to the touch-operated position.

Next, when it is determined that it is not a character input area (NO in step S12), it is determined whether or not the style detected by the style detection unit 10 is a view style (step S21 in FIG. 4). If it is determined that it is a style (YES in step S21), it is determined whether or not a pop-up key that is a software key displayed at the touch operation position of the present invention is displayed (step S22). If it is determined that it is not a style (NO in step S21), the process returns to step S3 described above.

If it is determined in step S22 that the pop-up key is not displayed (NO in step S22), the orientation detection unit 9 detects whether the orientation of the mobile phone body is vertical or horizontal, and the display content is It is determined whether it is in portrait orientation or landscape orientation (step S28), it is determined whether the pop-up key can be displayed around the coordinates of the touched position (step S29), and can be displayed. If it is determined (YES in step S29), a pop-up key corresponding to the direction of the display content is displayed around the coordinates of the touched position (step S30), and if it is determined that it cannot be displayed, ( In step S29, a pop-up key corresponding to the direction of the display content is displayed by moving to a position that fits in the display (step S31).

FIG. 5 exemplifies the case where the display direction is vertical, and as illustrated in FIG. 5 (1), when a position other than another software key or character input area is touch-operated as illustrated in FIG. 5 (1). A pop-up key is displayed according to the vertical orientation around the coordinates of the touched position.
FIG. 6 illustrates the case where the display direction is horizontal, and as illustrated in FIG. 6 (2), when a position other than another software key or character input area is touch-operated as illustrated in FIG. 6 (1). The pop-up key is displayed according to the horizontal direction with the coordinates of the touched position as the center.
When the position where the pop-up key does not fit in the display is centered on the coordinates of the position where the touch operation is performed as illustrated in FIG. 7 (1), the position is included in the display as illustrated in FIG. 7 (2). Move the popup key to display.

Next, a coordinate position detection area corresponding to the direction of display content is set (step S32).
The coordinate position detection area corresponds to an area indicated by a broken line around the pop-up key illustrated in FIGS. 5 (2), 6 (2), and 7 (2) (not displayed on the actual screen). This is an area in which it is detected that the software key will be touched even if a position slightly deviated with respect to the touch is operated. In particular, it is set widely downward so that the touch operation is easily shifted.

Next, it is determined whether or not there is another software key in which the set coordinate position detection area and the coordinate position detection area overlap (step S33). If it is determined that there is (YES in step S33), the detection area is set. If it is determined that no adjustment is made (step S34) (NO in step S33), the process proceeds to step S35.
When the position where the coordinate position detection area of the pop-up key overlaps the coordinate position detection area of another software key is touched as illustrated in FIG. 8A, the overlapping coordinate position as illustrated in FIG. 8B. Adjust the detection areas so that they do not overlap. Various adjustment methods can be considered, but a method of equally dividing the overlapping area is easy.

Next, it is determined whether or not there is another software key whose display overlaps with the set coordinate position detection area (step S35). If it is determined that there is a software key (YES in step S35), the overlapping software key is displayed as invalid. In step S36, the process returns to the above-described step S3, and when it is determined that there is no (NO in step S35), the process returns to the above-described step S3.
When the position where the coordinate position detection area of the pop-up key overlaps the display of another software key is touch-operated as illustrated in FIG. 9 (1), the overlapping software key is disabled as illustrated in FIG. 9 (2). Display. The invalid display is grayed out or hatched so that the user can identify it.
In this example, when the pop-up key overlaps the software key that is always displayed, the display is invalid. However, when the pop-up key displayed further from the touch operation of the pop-up key overlaps the previous pop-up key, it is displayed later. The pop-up key is given priority, and the previous pop-up key is disabled.
Further, instead of disabling the overlapping software keys, the priority pop-up key may be changed to a visually conspicuous display.

Although the orientation of the display content is determined by the orientation detection unit 9 in step S28, it is determined which display mode is currently selected from among the display modes switched by software, such as the portrait mode or the landscape mode. May be.

If it is determined in step S22 that the pop-up key is displayed (YES in step S22), the displayed pop-up key is deleted (step S23).
As illustrated in FIG. 5 (3), when a touch operation is performed at a position other than the software key, the character input area, or the pop-up key, the pop-up key is deleted as illustrated in FIG. 5 (4).

Next, it is determined whether or not there is a software key that is adjusting the coordinate position detection area (step S24). If it is determined that there is a software key that is adjusting the detection area (YES in step S24). ) Release the adjustment of the detection area (step S25), and if it is determined that there is no software key for adjusting the detection area (NO in step S24), the process proceeds to step S26.
When the coordinate position detection area is adjusted as illustrated in FIG. 8 (3) and a position other than another software key, character input area, or pop-up key is touch-operated, FIG. 8 (4) is displayed. As illustrated, the pop-up key is deleted and the adjustment of the coordinate position detection area is canceled.

Next, it is determined whether or not there is a software key performing invalid display (step S26). If it is determined that there is a software key performing invalid display (YES in step S26), the invalid display is canceled. (Step S27), the process returns to the above-described step S3, and if it is determined that there is no software key that is invalidated (NO in step S26), the process returns to the above-described step S3.
As illustrated in FIG. 9 (3), when a position other than another software key, a character input area, or a pop-up key is touch-operated in an invalid display state as illustrated in FIG. 9 (3), as illustrated in FIG. 9 (4). Delete the pop-up key and cancel the invalid display.

If the touch operation on the touch panel is not detected in step S4 in FIG. 3 and any other operation is performed (YES in step S5), processing corresponding to the operation is performed (step S15). For example, a process for setting an arbitrary clock time according to a user operation, a voice call transmission process, and the like are performed.

As described above, the mobile phone according to this embodiment includes the display unit, detects the position indicated on the display unit, determines the direction of the content displayed on the display unit, and is determined as the detected position. By displaying the software key according to the orientation and controlling the detection area of the detected position with respect to the displayed software key, the direction of the displayed content, the right hand or the left hand can be displayed or displayed The software key can be displayed only when it is necessary at a convenient location according to the contents.

In addition, since the detection area of the detected position is set to be changed according to the detected orientation with respect to the display position of the displayed software key, it may be a case of a mobile phone with a narrow display portion. Even if the position indicated on the display is slightly different from the displayed software key, it is possible to detect the position indicating operation determined to be correct.

In addition, if there is a detection area at the position indicated by another software key at a position that overlaps the detection area controlled by the detection area control means, the detection area is adjusted so that an unintended software key can be It can be prevented from being detected when operated.

In addition, when another software key is displayed at a position overlapping the detection area controlled by the detection area control means, priority is given to the detection area controlled by the detection area control means. The software key displayed can be used with priority.

Furthermore, the other software key at the overlapping position is displayed as invalid, so that the user can be notified that the software key is invalid.

In addition, when there is no target object for position indication at the detected position, the software key is displayed so that the position indication operation can be compatible with the position indication operation on other displays without waste. Can provide.

Furthermore, the software key is deleted when there is no object for the position pointing operation on the display at the position where the pointing operation is detected while displaying the software key. Software keys that are no longer needed for operation can be deleted.

In addition, if the software key displayed at the periphery of the display unit does not fit in the display unit, the software key is moved to a position that fits in the display unit. Even in a state where the position pointing operation cannot be performed, the software key can be displayed reliably.

Furthermore, it is possible to take a plurality of forms, and by distinguishing the current form among the plurality of forms and displaying the software key when the determined form is a predetermined form, it is possible to separately The operability can be improved by displaying the software key corresponding to the operation unit only when the operation unit is hidden.

Further, since the orientation of the display content is determined by detecting the orientation of the terminal device, a software key corresponding to the orientation can be displayed without performing a special operation by the user.

In addition, a display unit is provided, the orientation of the content displayed on the display unit is determined, the software key is displayed on the display unit, and the detection area of the position to be detected with respect to the displayed software key is displayed. By changing the position according to the detected direction, the position of the position indication operation on the display is slightly different from the displayed software key in the case of a mobile phone with a narrow display section. However, it is possible to detect the designated position / operation position that is determined to be correct according to the direction of the display content.

In addition, by detecting the indicated position on the display unit and displaying the software key according to the detected position, the direction of the display contents, the hand to be operated can be displayed as the right hand or the left hand, or displayed. The software key can be displayed only when it is necessary at a convenient location according to the contents.

Furthermore, the terminal device can take a plurality of forms, and the current form is determined from among the plurality of forms, and the software key is displayed when the determined form is a predetermined form. Thus, the operability can be improved by displaying the software key corresponding to the operation unit only when the operation unit provided separately is hidden.

The application of the present invention is not limited to a mobile phone as a terminal device, but may be a personal computer, a PDA, a digital camera, a music player, a game machine, or a complex machine thereof.

DESCRIPTION OF SYMBOLS 1 Control part 2 Power supply part 3 Storage part 4 Operation part 5 Communication part 6 Telephone part 7 Display part 8 Coordinate position detection part 9 Direction detection part 10 Style detection part

Claims (8)

In a terminal device having a display unit with a touch screen,
Position detecting means for detecting a touch operation position on the touch screen of the display unit;
Direction detection means for detecting the orientation of the device housing;
Direction discriminating means for discriminating the display direction from the orientation of the apparatus housing detected by the orientation detecting means;
Display control means for displaying a software key corresponding to the display orientation determined by the orientation determination means at the touch operation position detected by the position detection means on the touch screen of the display unit;
Touch operation detection area setting means for setting a touch operation detection area for detecting a touch operation on the software key, which is larger than the display area of the software key displayed on the touch screen of the display unit by the display control means. When,
Detection area duplication determination means for determining whether or not there is overlap between the first touch operation detection area set by the touch operation detection area setting means and the second touch operation detection area of another software key;
The touch operation detection region setting unit overlaps the second touch operation detection region when the detection region overlap determination unit determines that the first touch operation detection region overlaps the second touch operation detection region. A terminal device , wherein the first touch operation detection area is adjusted so as not to become . In a terminal device having a display unit with a touch screen,
Position detecting means for detecting a touch operation position on the touch screen of the display unit;
Direction detection means for detecting the orientation of the device housing;
Direction discriminating means for discriminating the display direction from the orientation of the apparatus housing detected by the orientation detecting means;
Display control means for displaying a software key corresponding to the display orientation determined by the orientation determination means at the touch operation position detected by the position detection means on the touch screen of the display unit;
Touch operation detection area setting means for setting a touch operation detection area for detecting a touch operation on the software key, which is larger than the display area of the software key displayed on the touch screen of the display unit by the display control means. When,
Display area duplication determination means for determining whether or not there is overlap between the first touch operation detection area set by the touch operation detection area setting means and the display area of other software keys;
Invalid display means for displaying the invalidity of the other software key when the display area duplication determining means determines that the first touch operation detection area overlaps the display area of the other software key;
Terminal device comprising: a. Wherein the display control unit, when there is no object to be touched to the detected touched position by the position detecting means, according to claim 1 or 2, characterized in that displaying the software key Terminal equipment. The display control means deletes the displayed software key when there is no object to be touched at the touch operation position detected by the position detection means while displaying the software key. The terminal device according to claim 1 . The display control means, when the touch operation position detected by the position detection means does not fit in the display section when the software key displayed by the display control means in the periphery of the display section The terminal device according to claim 1, wherein the terminal device is displayed by moving to a position within the display unit . The terminal device can further take a plurality of forms,
It further comprises a form discriminating means for discriminating a current form among the plurality of forms.
3. The terminal device according to claim 1 , wherein the display control unit displays the software key when the form determined by the form determining unit is a predetermined form . A program to be executed by a computer mounted on a terminal device having a display unit with a touch screen,
A position detecting step for detecting a touch operation position on the touch screen of the display unit;
An orientation detection step for detecting the orientation of the device housing;
A direction determining step of determining a display direction from the direction of the apparatus housing detected by the direction detecting step;
On the touch screen of the display unit, a display control step of displaying a software key corresponding to the display orientation determined by the orientation determination step at the touch operation position detected by the position detection step;
Touch operation detection area setting step for setting a touch operation detection area that detects a touch operation to the software key, which is an area larger than the display area of the software key displayed on the touch screen of the display unit by the display control step. When,
A detection region overlap determination step for determining whether or not there is overlap between the first touch operation detection region set in the touch operation detection region setting step and the second touch operation detection region of another software key,
In the touch operation detection region setting step, when it is determined in the detection region overlap determination step that the first touch operation detection region overlaps the second touch operation detection region, the touch operation detection region setting step overlaps the second touch operation detection region. A program characterized by adjusting the first touch operation detection area so as not to become. In a computer mounted on a terminal device having a display unit with a touch screen,
A position detecting step for detecting a touch operation position on the touch screen of the display unit;
An orientation detection step for detecting the orientation of the device housing;
A direction determining step of determining a display direction from the direction of the apparatus housing detected by the direction detecting step;
On the touch screen of the display unit, a display control step of displaying a software key corresponding to the display orientation determined by the orientation determination step at the touch operation position detected by the position detection step;
Touch operation detection area setting step for setting a touch operation detection area that detects a touch operation to the software key, which is an area larger than the display area of the software key displayed on the touch screen of the display unit by the display control step. When,
A display area overlap determination step for determining whether or not there is overlap between the first touch operation detection area set in the touch operation detection area setting step and the display area of other software keys;
When the first touch operation detection area is determined to overlap the display area of another software key by the display area overlap determination step, an invalid display step for displaying the invalidity of the other software key is executed. A featured program.

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