Flexible window management on a computer display

• US 4,890,098 A
• Filed: 10/20/1987
• Issued: 12/26/1989
• Est. Priority Date: 10/20/1987
• Status: Expired due to Term

• Current Assignee: International Business Machines Corporation
• Original Assignee: International Business Machines Corporation
• Inventors: Dawes, Antony J. O., Henson, Stephen R.
• Primary Examiner(s): Brigance, Gerald
• Assistant Examiner(s): HJERPE, RICHARD A
• Application Number:
  US07/110,293
• Time in Patent Office: 798 Days
• Field of Search: 340/721, 340/723, 340/724, 340/726, 364/200, 364/300, 364/900, 364/521
• US Class Current: 715/800
• CPC Class Codes: G06F 2203/04804 Transparency, e.g. transparent or translucent windows
• CPC Class Codes: G06F 3/0481 based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
• CPC Class Codes: G09G 5/14 Display of multiple viewports

Abstract

A technique is described for managing windows in a display system. The window manager allows a user to mark an area on the display to define the dimensions and contents of a resized window. All non-hidden text and attributes within the enclosed area are incorporated into the resized window; however, the original windows do not lose their original characteristics. The marked area may span multiple windows, so multiple windows may be incorporated into the newly resized window. For each position within the newly resized window, a check is made for a window below. If no window exists below this position, the default, or background, character and attribute are incorporated into the newly resized window. If there exists a window below, a determination is made as to whether the window below is visible or hidden. If hidden, the system continues to look for a visible window until no further window is found below, at which point the default character and attribute are incorporated into the newly resized window. When a visible window is found below the newly resized window, the character and attribute from its corresponding position are read and incorporated into the newly resized window. This process continues until all of the information is processed from the marked area. In this manner, a window can be enlarged to incorporate the contents of several windows by enclosing several windows in the marked area.

Claims

1. A method of managing a windowing system in a computer display comprising the steps of:

selecting a window to be resized from a plurality of windows on the computer display;

inputting dimension data defining resized dimensions of the selected window;

resizing said selected window on said display according to said inputted dimension data; and

automatically incorporating data from any other windows which may be below said resized window into said resized selected window while maintaining said other windows as independent entities, said incorporated data not being linked to said other windows.

2. The method of managing a windowing system in a computer display as recited in claim 1 wherein said data from other windows incorporated by said incorporating step includes character and attribute information.

3. The method of managing a windowing system in a computer display as recited in claim 1 further comprising the step of differentiating between hidden and visible windows and only performing said incorporating step from said other windows that are visible.

4. The method of managing a windowing system in a computer display as recited in claim 1 further comprising the step of displaying said other windows as they originally appeared when said resized selected window is scrolled to reveal said other windows which were below said resized selected window.

5. The method of managing a windowing system in a computer display as recited in claim 1 wherein the step of incorporating is performed by the following steps:

incrementing a logical cursor to each location within the area of said selected resized window;

checking for a visible window below the location of said logical cursor;

reading character and attribute information from the corresponding location of said logical cursor in a visible window; and

writing the read character and attribute information into said selected resized window.

6. The method of managing a windowing system in a computer display as recited in claim 5 further comprising the step of maintaining windows below said selected resized window in their original condition on the display so that, as said selected resized window is scrolled, said windows will be revealed as they originally appeared on said display.