CN100392578C - Method for automatically locking chat record visible page - Google Patents
Method for automatically locking chat record visible page Download PDFInfo
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- CN100392578C CN100392578C CNB2005100898260A CN200510089826A CN100392578C CN 100392578 C CN100392578 C CN 100392578C CN B2005100898260 A CNB2005100898260 A CN B2005100898260A CN 200510089826 A CN200510089826 A CN 200510089826A CN 100392578 C CN100392578 C CN 100392578C
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Abstract
The disclosed method to automatic lock the visible page for chat record comprises: pre-setting the locking reference coordinate; when receiving new information by IM, determining the sub-window real height, visible page height, and the height of reference coordinate; determining the scroll valve size by the rate of height of visible page with record sub-window and the sub-window real height, as well as the scroll valve position by rate of reference mark and the real height; re-plotting the scroll bar, and re-adjusting the visible page to lock the visible page on the reference mark. This invention is benefit to look over chat record.
Description
Technical field
The present invention relates to the page display technique of network instant communication instrument (IM), relate in particular to a kind of in IM, after receiving new information, the method for chat record subwindow automatically locking chat record visible page.
Background technology
Network instant communication instrument (IM) software development was accepted by most netizen to today.For example IM softwares such as QQ, TM, POPO, MSN, RTX are widely used.In IM software, the function that user's frequency of utilization is the highest is utilized IM software and the contact person communication of chatting exactly, and this also is the basic functions of IM software, can so that the user realize carrying out real-time communication by network.Continuous development along with IM software, the user not only can carry out single chat to list with a contact person and link up, carry out common communication but also can form discussion group with regard to certain topic with many people, also can set up simultaneously various types of groups, carry out exchanging of group chat with contact person with same feature.Like this, the chat window in the IM software is that the user contacts maximum IM software modules.
Fig. 1 is the composition synoptic diagram of current typical IM software chat window.Referring to Fig. 1, chat window mainly is made up of chat record subwindow 11 and chat message input subwindow 12 two parts, chat record subwindow 11 is responsible for record and is shown chat record, for example: the message that the user sends and receives, and the state that sends or receive; Being used to write down the zone that shows all chat records in the chat record subwindow 11 is the client area of this chat record subwindow 11, the All Ranges that scroll bar can drag in the chat record subwindow just also can be called the complete page of this chat record subwindow; In the described complete page, under the situation that does not drag scroll bar, the client area part of the current chat record subwindow that can see of user is the visible page of chat record window client area, abbreviates chat record visible page herein as.Chat message input subwindow 12 mainly is the editor that the user imports message.When the user is chatting communication, often need drag the Rolling valve 14 in chat record subwindow 11 the right scroll bars 13, check chat record to turn back, for example: the message that once sent and received, and user or the communication counterpart transmission file of initiating, " acceptances " or " refusal " that sends the isometric connection of audio frequency and video are operated etc.
In current IM, when the user checked chat record by the Rolling valve 14 that drags chat record subwindow 11, if receive the new information that the other side IM sends, then the chat record visible page of chat record subwindow 11 can be rolled to the bottommost of this window again.The processing flow chart of Fig. 2 for when receiving new information, chat record visible page being adjusted among the existing IM.Referring to Fig. 2, this flow process comprises:
The packet of step 201, reception and parsing new information, according to the width of current chat record subwindow client area and the format information of message content that parses and message, calculate length and height that this new information takies in chat record subwindow 11 client areas.
Step 202, the height that determined new information in the step 201 is taken in chat record subwindow client area add the height of original chat record subwindow client area, obtain the true altitude of current chat record subwindow client area, current chat record subwindow client area herein is the whole zone that is used to show chat record, comprises the visible page and the invisible page.
Step 203, the bottommost of the position of Rolling valve in the chat record subwindow scroll bar for this scroll bar is set.
Step 204, according to the rectangle data of visible page in the current chat record subwindow of the bottom function calculation client area of the application programming interface (API) of handle and IM place computer operating system, obtain the height of current chat record visible page.
The ratio of the true altitude of step 205, the height that calculates current chat record visible page and described whole chat record subwindow client area, the size of this ratio and Rolling valve is identical with the ratio of the height of scroll bar, then the size of determining Rolling valve in the scroll bar according to the height (height of scroll bar is identical with the height of chat record subwindow client area generally speaking) and the described ratio of scroll bar.
Step 206, chat record subwindow send and repaint the message of scroll bar in the scroll bar subwindow, the parameter of this message comprises the size and the position of above-mentioned definite Rolling valve, the scroll bar subwindow repaints scroll bar according to this parameter, and the scroll bar after described chat record visible page is followed and repainted rolls.
Because the above-mentioned processing procedure of prior art, make in the chat process of IM, when the user checks chat record by the Rolling valve that drags the chat record subwindow, in case receive new information, then chat record visible page can be rolled to the bottommost of chat record subwindow again, and this moment, the user can only drag the chat record that scroll bar continues to check the front once more.Particularly in discussion group or group's chat record subwindow, because discussion group or group's member is very many, each member can send different information, cause the amount of the new information that the user receives also very big, if the user need return the front and remove to see chat record, then can not satisfy user's requirement basically,, cause the user can't get back to the front page basically and removed to check chat record because scroll bar can be automatically scrolling to the bottom of chat record subwindow along with the arrival of new information.
Therefore, the processing scheme of existing IM can not fix on current chat record content lock of checking on the current chat record visible page when receiving new information automatically, the user can only drag scroll bar again and return the chat record visible page of checking originally, the chat record that causes the user to check message like this is very inconvenient, had a strong impact on the convenience that the user uses IM.
Summary of the invention
In view of this, fundamental purpose of the present invention is to provide a kind of method of automatically locking chat record visible page, with when IM receives new information, realizes adjusting automatically Rolling valve, and the locking chat record visible page is convenient to the user and is checked chat record.
A kind of method of automatically locking chat record visible page, this method are the default locking of chat record visible page reference marker, comprising:
A, after the network instant communication instrument receives new information, add this new information in the chat record subwindow, and determine the height of the chat record subwindow client area behind the interpolation new information, the height and the current height in chat record subwindow client area of described locking reference marker of current chat record visible page;
B, determine the size of Rolling valve in the scroll bar of chat record subwindow again with the ratio of the height of current chat record visible page and the height of chat record subwindow client area, with the definite again position of described Rolling valve in described scroll bar of the ratio of the current height in chat record subwindow client area of described locking reference marker and the height of chat record subwindow client area;
C, redraw rolling bar according to the size and the position in described scroll bar of the Rolling valve that is redefined, and readjust described chat record visible page according to the scroll bar of the system of redrawing, this chat record visible page is locked in described locking reference marker place.
Preferably, the locking reference marker of described chat record visible page is a cursor.
Described step B comprises: judge according to the height of cursor in the chat record subwindow whether cursor is in the top or the bottom of chat record subwindow, if, then after receiving new information, only redefine the size of Rolling valve in the described scroll bar, and only repaint Rolling valve size, keep the height of Rolling valve in scroll bar constant.
Before the network instant communication instrument received new information, this method further comprised: determine the height of chat record subwindow client area and the height of chat record visible page; When monitoring cursor when vertically moving, then determine the height of current cursor in chat record subwindow client area; Again determine the height of described Rolling valve in described scroll bar with the height of current cursor in chat record subwindow client area and the ratio of the height of chat record subwindow client area; Redraw rolling bar according to the height of the Rolling valve that is redefined in described scroll bar, and readjust described chat record visible page, current chat record visible page is locked in current cursor position place according to the scroll bar of the system of redrawing.
Describedly determine that the height of current cursor in chat record subwindow client area is: the bottom function of the application programming interface by calling current operation system is determined.
Preferably, the locking reference marker of described chat record visible page is: the relatively-stationary reference marker of ratio of the relative height on chat record visible page and this chat record visible page oneself height.Described reference marker can be the top coordinate or the bottom coordinate of described chat record visible page.
Described reference marker is identical at the position coordinates of the ratio of the relative height on the chat record visible page and chat record visible page oneself height and the described Rolling valve relative height and the ratio of Rolling valve oneself height on this Rolling valve.
This method further comprises: judge according to the height of described reference marker in the chat record subwindow whether current chat record visible page is in the top of chat record subwindow, if, then after receiving new information, only redefine the size of Rolling valve in the described scroll bar, and only repaint Rolling valve size, keep the height of Rolling valve in scroll bar constant.
The height of described current locking reference marker in chat record subwindow client area is that height and the relative height of this locking reference marker in chat record visible page in chat record subwindow client area determined according to the top of chat record visible page or bottom coordinate.
Preferably, the height of described definite chat record subwindow client area, determine that the height of chat record visible page is: by being that the bottom function of the application programming interface of parameter call current operation system is determined with the handle.
Preferably, described receive new information after, the method of the height of described definite chat record subwindow client area is: determine the line number that this new information takies according to the form of font and the width of current chat record subwindow client area in the length of new information text, the Message-text in the chat record subwindow, this line number multiply by the height of display font again, obtains the actual displayed height of new information text; With the height addition of the actual displayed height of the new information text that obtains chat record subwindow client area when not receiving new information, obtain receiving the true altitude of chat record subwindow behind the new information.
Preferably, this method further comprises: judge whether to receive new information, if, the application programming interface function of the call operation system downward scroll button of described scroll bar lowermost end of regularly glimmering then.
Because the present invention preestablishes the locking reference marker of chat record visible page, after IM receives new information, height according to current chat record subwindow client area, the height of current chat record visible page, and the position of current locking reference marker redefines the size and the position of Rolling valve in the scroll bar, scroll bar is drawn in size and position according to the new Rolling valve of determining, and adjustment visible page, make visible page be locked in the current position of described locking reference marker, therefore adjust Rolling valve when can be implemented in IM and receiving new information automatically, chat record visible page is locked on the position of current locking reference marker, make the user needn't drag scroll bar again and return the chat record visible page of checking originally, be convenient to the user and check chat record, improve experience and satisfaction that the user uses IM.
The present invention proposes according to cursor locking chat record visible page with according to two kinds of embodiments of the locking chat record visible page of the fixed reference mark in the chat record visible page, the user can freely select to use.The present invention also can redefine the size and the position of Rolling valve when cursor position vertically changes, can realize that therefore real-time change according to cursor position is locked in chat record visible page on the cursor position, has further facilitated the user and has checked chat record.
Among the present invention, no matter the user is utilizing IM to carry out list to the chat communication process of list or the process of carrying out many people's dialogues, can guarantee the requirement of the rolling of chat message chat record subwindow according to the user, lock automatically by identification locking reference marker, guaranteed the convenience that the user uses, the chat process of communication exchange of very big IM software convenient for users.
Description of drawings
Fig. 1 is the composition synoptic diagram of current typical IM software chat window;
The processing flow chart of Fig. 2 for when receiving new information, chat record visible page being adjusted among the existing IM;
Fig. 3 is the described process flow diagram by identification cursor position automatically locking chat record visible page of first embodiment of the invention;
Fig. 4 is the described process flow diagram by the reference marker automatically locking chat record visible page in the identification chat record visible page of second embodiment of the invention.
Embodiment
Below by the drawings and specific embodiments technical scheme of the present invention is described in detail.
Major scheme of the present invention comprises:
A, after IM receives new information, add this new information in the chat record subwindow, and the current height in chat record subwindow client area of locking reference marker that determine to add the height of the height of the chat record subwindow client area behind the new information, current chat record visible page and preset for chat record visible page.
B, determine the size of Rolling valve in the scroll bar of chat record subwindow again with the ratio of the height of current chat record visible page and the height of chat record subwindow client area, with the definite again position of described Rolling valve in described scroll bar of the ratio of the current height in chat record subwindow client area of described locking reference marker and the height of chat record subwindow client area;
C, redraw rolling bar according to the size and the position in described scroll bar of the Rolling valve that is redefined, and readjust described chat record visible page according to the scroll bar of the system of redrawing, this chat record visible page is locked in described locking reference marker place.
Among the present invention, the described locking reference marker of presetting for chat record visible page can be a cursor, it also can be any the fixing reference marker on chat record visible page, the relative height of this reference marker in visible page and the ratio relative fixed of this visible page oneself height, for example this reference marker can be the top coordinate or the bottom coordinate of visible page.
Reference marker difference according to locking chat record visible page institute foundation describes the solution of the present invention in detail with two embodiment respectively below.
Fig. 3 is the described process flow diagram by identification cursor position automatically locking chat record visible page of first embodiment of the invention.Referring to Fig. 3, this flow process comprises:
The bottom function calculation of the application programming interface (API) of step 301～step 302, the handle that utilizes present chatting window and IM place computer operating system goes out the rectangle region data of chat record subwindow client area in the present chatting window, and the data that calculate of record, comprising the height and the width of client area, described chat record subwindow client area comprises the visible page and the invisible page.The specific implementation of calculating is same as the prior art, and operating system herein can be Windows, and the bottom function of the Windows API that adopts can be:
BOOL?GetWindowRect(
HWND?hWnd.
LPRECT?lpRect
)；
HWND hWnd wherein is the handle of chat record subwindow, and LPRECT lpRect is the coordinate figure of chat record subwindow in Windows.This bottom function can obtain the coordinate of current chat record subwindow in Windows.
Be the coordinate of current screen with the coordinate conversion of chat record subwindow in Windows then in order to the layer functions of going to the bottom:
BOOL?ScreenToClient(
HWND?hWnd，
LPPOINT?lp?Rect
)；
Wherein LPPOINT lp Rect is the actual coordinate of current chat record subwindow client area at current screen.Its structure is:
typedef?struct?tagRECT{
LONG?left；
LONG?top；
LONG?right；
LONG?bottom；
}RECT；
Wherein, LONG left is the left side numerical value of rectangle, and LONG top is the top numerical value of rectangle, and LONG right is the right numerical value of rectangle, and LONG bottom is the bottom numerical value of rectangle.
The difference of above-mentioned definite bottom data value and top data value is the height of chat record subwindow client area.
In addition, also can utilize BOOL getclientRect function directly to determine the rectangular coordinates of described chat record subwindow client area, and determine its height with this.
Simultaneously, the IM Automatic Program detects user's press key message, judge by intercepting and capturing press key message whether current cursor vertically moves, for example, judge whether that the virtual key assignments of pressing is " PageDown ", control cursors such as " PageUp " vertically moves directionkeys, perhaps judges by detecting the mouse moving data whether cursor vertically moves.When cursor vertically moves, utilize following Windows API bottom function to determine the position data of current cursor in chat record subwindow client area, i.e. the horizontal ordinate data of cursor:
BOOL?GetCursorPos(
LPPOINT?lpPoint )；
Wherein LPPOINT lpPoint is the horizontal ordinate data of active user's cursor.Utilize ordinate wherein to determine the height of cursor in current chat record subwindow client area.
The ratio of the true altitude of step 304, the height of determining current chat record visible page and described whole chat record subwindow client area, the size of this ratio and Rolling valve is identical with the ratio of the height of scroll bar, then the height with scroll bar multiply by described ratio, obtains the size of Rolling valve in the scroll bar.
Among this first embodiment is to discern cursor position automatically chat record visible page is locked, above-mentioned steps 304～step 305 is disclosed to be when IM does not receive new information, when changing, the ordinate position of cursor (may cause the change of Rolling valve position more greatly) because ordinate changes, realize identification cursor position automatically, and according to the implementation of cursor position locking chat record visible page, this segmentation scheme is a prioritization scheme of the present invention; Following steps are necessary when IM receives new information for this first embodiment, realize that the identification cursor position is according to the implementation of cursor position locking chat record visible page automatically.
Obviously, the height of the current chat record subwindow that can determine according to above-mentioned steps 301 and the height coordinate of the determined current cursor of step 302 are judged herein, if that is: these two highly identical then cursor is positioned at the top of chat record subwindow.
Perhaps, also can utilize the determined rate value of step 303 to judge that if that is: rate value is 100%, then cursor is positioned at the top of chat record subwindow herein.
According to existing technical scheme, when cursor is positioned at the top of current whole chat record subwindow, if there is message to arrive, the Rolling valve of cursor and scroll bar all remains on the top of whole chat window, do not need to change, therefore the current scrolling bar is set is non-rolling condition to this first embodiment; And if cursor is positioned at the bottom of current whole chat record subwindow, then when new information arrives, need be according to the height of new information, calculate the bottom position of whole chat record subwindow and reset the position of cursor, and the Rolling valve of scroll bar just remains on the bottommost of scroll bar always, concerning the user, cursor is the bottommost at current whole chat record subwindow always, is non-rolling condition so also be provided with the current scrolling bar among this first embodiment this moment.
The concrete scheme that scroll bar is set is non-rolling condition is: the correspondence at the chat record subwindow realizes in the class certain BOOL variable being set, m_bScrollBarStatus for example, the rolling condition of scroll bar is described, when this variable is that TRUE represents rolling condition, FALSE represents non-rolling condition.
After step 308, IM receive new information, resolve the packet of new information, the content by message and the format information of message are determined the length of the text of new information; Form according to font in the length of determined new information text, the Message-text is that the size (height and the width that comprise font) of font and the width of current chat record subwindow client area are determined the line number that this new information takies in the chat record subwindow again; Simultaneously, the text message of described new information is added to the bottom of described chat record subwindow.
Herein, the API bottom function of the handle of the also available current chat record subwindow that has added new information and above-mentioned Windows has determined to add the height of the chat record subwindow client area of new information.
Herein, the height that recomputates a current chat record visible page is because before receiving new information, IM user may adjust the size of this chat record visible page.
Fig. 4 is the described process flow diagram by the reference marker automatically locking chat record visible page in the identification chat record visible page of second embodiment of the invention.Reference marker herein adopts top (top) coordinate of visible page, and referring to Fig. 4, this flow process comprises:
typedef?struct?tagRECT{
LONG?left；
LONG?top；
LONG?right；
LONG?bottom；
}RECT；
Wherein, LONG left is the left side numerical value of rectangle, and LONG top is the top numerical value of rectangle, and LONG right is the right numerical value of rectangle, and LONG bottom is the bottom numerical value of rectangle.
Herein, identical with first embodiment is: if current visible page is at the top of chat record subwindow, the top of the position of Rolling valve in described scroll bar then, when new information arrives, this visible page is still at the top of chat record subwindow, there is no need again the position of scroll bar to be adjusted, therefore among this second embodiment at this moment scroll bar be set to non-rolling condition.
With first embodiment inequality be: if when not receiving new information, visible page is at the bottommost of chat record subwindow, the bottommost of the position of Rolling valve in described scroll bar then, when new information arrives, the bottommost of chat record subwindow is taken by new information, therefore if lock current visible page, therefore need readjust the size and the position of Rolling valve, when the bottommost of visible page at the chat record subwindow scroll bar not to be set be non-rolling condition to this second embodiment.
After step 405, IM receive new information, resolve the packet of new information, the content by message and the format information of message are determined the length of the text of new information; Form according to font in the length of determined new information text, the Message-text is that the size (height and the width that comprise font) of font and the width of current chat record subwindow client area are determined the line number that this new information takies in the chat record subwindow again; Simultaneously, the text message of described new information is added to the bottom of described chat record subwindow.
Herein, the API bottom function of the handle of the also available current chat record subwindow that has added new information and above-mentioned Windows is determined the height of chat record subwindow client area.
Then this relative height and the ratio of the true altitude of chat record subwindow be multiply by the height of described chat record subwindow the right scroll bar, obtain the position height of Rolling valve in this scroll bar; The height of described the right scroll bar is the top numerical value of chat record subwindow client area and the difference between the numerical value of bottom.
Herein, since with the top coordinate of visible page as the locking reference marker, therefore when determining the position height of Rolling valve, also determine the height of this Rolling valve in described scroll bar with the top coordinate of this Rolling valve as position coordinates, promptly this height value is the height value that Rolling valve top coordinate arrives scroll bar top (being top, chat record subwindow client area).In like manner, if utilize herein chat record with reference to other coordinates on the page as the locking reference marker, then this reference marker is identical at the position coordinates of the ratio of the relative height on the chat record visible page and chat record visible page oneself height and the described Rolling valve relative height and the ratio of Rolling valve oneself height on this Rolling valve.If for example adopt the bottom coordinate of chat record visible page to be the locking reference marker herein, then the position coordinates of Rolling valve is the bottom coordinate of this Rolling valve.
Herein, the height that recomputates a current chat record visible page is because before receiving new information, IM user may adjust the height of this chat record visible page.
In the present embodiment when IM does not receive new information, according to the rolling instruction of user's mobile Rolling valve adjust Rolling valve in scroll bar the position and adjust chat record visible page, also be to utilize the top numerical value of the top numerical value of chat record visible page and Rolling valve to be as the criterion to carry out in this process, so when receiving new information, adopt said method to redraw the system Rolling valve and make current visible page not have rolling basically, therefore can automatically lock current chat record visible page.
Among the present invention, because after new information arrives, automatically current chat record visible page is locked, so the present invention further comprises the method that the automatically prompting user new information arrives that is: IM has judged whether that new information arrives, if, then the glimmer downward scroll button of scroll bar lowermost end, and continue the flicker preset time, after the schedule time arrives, stop flicker, reach the purpose that prompting user new information arrives with this.The api function that can use Windows herein is BitBlt function call flicker picture for example, and this flicker picture is placed described downward scroll button place, and described downward scroll button realizes glimmering.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with the people of this technology in the disclosed technical scope of the present invention; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.
Claims (13)
1. the method for an automatically locking chat record visible page is characterized in that, is the default locking of chat record visible page reference marker, comprising:
A, after the network instant communication instrument receives new information, add this new information in the chat record subwindow, and determine the height of the chat record subwindow client area behind the interpolation new information, the height and the current height in chat record subwindow client area of described locking reference marker of current chat record visible page;
B, determine the size of Rolling valve in the scroll bar of chat record subwindow again with the ratio of the height of current chat record visible page and the height of chat record subwindow client area, with the definite again position of described Rolling valve in described scroll bar of the ratio of the current height in chat record subwindow client area of described locking reference marker and the height of chat record subwindow client area;
C, redraw rolling bar according to the size and the position in described scroll bar of the Rolling valve that is redefined, and readjust described chat record visible page according to the scroll bar of the system of redrawing, this chat record visible page is locked in described locking reference marker place.
2. the method for automatically locking chat record visible page according to claim 1 is characterized in that, the locking reference marker of described chat record visible page is a cursor.
3. the method for automatically locking chat record visible page according to claim 2 is characterized in that, described step B comprises:
Judge according to the height of cursor in the chat record subwindow whether cursor is in the top or the bottom of chat record subwindow, if, then after receiving new information, only redefine the size of Rolling valve in the described scroll bar, and only repaint Rolling valve size, keep the height of Rolling valve in scroll bar constant.
4. the method for automatically locking chat record visible page according to claim 2 is characterized in that, before the network instant communication instrument received new information, this method further comprised:
Determine the height of chat record subwindow client area and the height of chat record visible page;
When monitoring cursor when vertically moving, then determine the height of current cursor in chat record subwindow client area;
Again determine the height of described Rolling valve in described scroll bar with the height of current cursor in chat record subwindow client area and the ratio of the height of chat record subwindow client area;
Redraw rolling bar according to the height of the Rolling valve that is redefined in described scroll bar, and readjust described chat record visible page, current chat record visible page is locked in current cursor position place according to the scroll bar of the system of redrawing.
5. according to the method for claim 2 or 4 described automatically locking chat record visible pages, it is characterized in that:
Describedly determine that the height of current cursor in chat record subwindow client area is: the bottom function of the application programming interface by calling current operation system is determined.
6. the method for automatically locking chat record visible page according to claim 1, it is characterized in that the locking reference marker of described chat record visible page is: the relatively-stationary reference marker of ratio of the relative height on chat record visible page and this chat record visible page oneself height.
7. the method for automatically locking chat record visible page according to claim 6, it is characterized in that described reference marker is identical at the position coordinates of the ratio of the relative height on the chat record visible page and chat record visible page oneself height and the described Rolling valve relative height and the ratio of Rolling valve oneself height on this Rolling valve.
8. according to the method for claim 6 or 7 described automatically locking chat record visible pages, it is characterized in that,
Described reference marker is the top coordinate or the bottom coordinate of described chat record visible page.
9. the method for automatically locking chat record visible page according to claim 6 is characterized in that, this method further comprises:
Judge according to the height of described reference marker in the chat record subwindow whether current chat record visible page is in the top of chat record subwindow, if, then after receiving new information, only redefine the size of Rolling valve in the described scroll bar, and only repaint Rolling valve size, keep the height of Rolling valve in scroll bar constant.
10. the method for automatically locking chat record visible page according to claim 6 is characterized in that:
The height of described current locking reference marker in chat record subwindow client area is that height and the relative height of this locking reference marker in chat record visible page in chat record subwindow client area determined according to the top of chat record visible page or bottom coordinate.
11. the method for automatically locking chat record visible page according to claim 1 is characterized in that:
The height of described definite chat record subwindow client area, determine that the height of chat record visible page is: by being that the bottom function of the application programming interface of parameter call current operation system is determined with the handle.
12. the method for automatically locking chat record visible page according to claim 1 is characterized in that:
Described receive new information after, the method for the height of described definite chat record subwindow client area is:
Determine the line number that this new information takies according to the form of font and the width of current chat record subwindow client area in the length of new information text, the Message-text in the chat record subwindow, this line number multiply by the height of display font again, obtains the actual displayed height of new information text;
With the height addition of the actual displayed height of the new information text that obtains chat record subwindow client area when not receiving new information, obtain receiving the true altitude of chat record subwindow behind the new information.
13. the method for automatically locking chat record visible page according to claim 1 is characterized in that, this method further comprises:
Judge whether to receive new information, if, the application programming interface function of the call operation system downward scroll button of described scroll bar lowermost end of regularly glimmering then.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100898260A CN100392578C (en) | 2005-08-05 | 2005-08-05 | Method for automatically locking chat record visible page |
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|---|---|---|---|
| CNB2005100898260A CN100392578C (en) | 2005-08-05 | 2005-08-05 | Method for automatically locking chat record visible page |
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| CN100392578C true CN100392578C (en) | 2008-06-04 |
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| CN101060502B (en) * | 2007-05-25 | 2010-05-26 | 北京金山软件有限公司 | A method and device for simultaneous viewing the chat record and the latest news |
| CN103309599A (en) * | 2012-03-15 | 2013-09-18 | 华为终端有限公司 | Touch screen sliding finding method and touch screen equipment |
| CN102685034A (en) * | 2012-06-12 | 2012-09-19 | 上海量明科技发展有限公司 | Method and client for giving prompt for instant messaging message |
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