CN106843528B - A kind of keyword reminding method improving Qt exploitation environment - Google Patents
A kind of keyword reminding method improving Qt exploitation environment Download PDFInfo
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- CN106843528B CN106843528B CN201710059729.XA CN201710059729A CN106843528B CN 106843528 B CN106843528 B CN 106843528B CN 201710059729 A CN201710059729 A CN 201710059729A CN 106843528 B CN106843528 B CN 106843528B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
- G06F3/023—Arrangements for converting discrete items of information into a coded form, e.g. arrangements for interpreting keyboard generated codes as alphanumeric codes, operand codes or instruction codes
- G06F3/0233—Character input methods
- G06F3/0237—Character input methods using prediction or retrieval techniques
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/30—Creation or generation of source code
- G06F8/31—Programming languages or programming paradigms
Abstract
The present invention relates to field of software development, are based particularly on the exploitation of Qt text editing, specifically a kind of keyword reminding method for improving QT exploitation environment.It includes enabling request auto-complete timer；Into request auto-complete step；Into auto-complete step；Show auto-complete list；It chooses the data of auto-complete list and completion is in the position that user input, completion auto-complete and etc..The present invention can dynamically establish antistop list in memory, be updated after each end of input of user, assist user's input process, mitigate the memory to numerous words, improve input efficiency；And antistop list can be carried out to pinpoint highlighted coloring, while realizing and being prompted in real time in the cursor position of input.
Description
Technical field:
The present invention relates to field of software development, are based particularly on the exploitation of Qt text editing, specifically a kind of improvement QT
Develop the keyword reminding method of environment.
Background technique:
Qt is cross-platform application program and UI frame, including cross-platform class libraries, Integrated Development Tool and cross-platform IDE,
Disposable development and application program is only needed, without source code is rewritten, can be disposed across different desktops and embedded OS
These application programs.
In software development process, user often when inputting some word, only remembers the first half of word, only
It can stop and go for word again；Or when inputting certain method names, the character length of word is very long, if using every time
Place input again and again, not only waste unnecessary energy, also result in working efficiency and substantially reduce.At this time can
Wish, if when input, it is only necessary to input preceding several letters of word, or the initial of the several words of input, just
Corresponding candidate list prompt can be automatically carried out, what user to be done is only the selection needs from candidate queue, then
Can auto-complete in the position of input, it is thus unnecessary to go to remember many variable names, method name etc..
Summary of the invention:
The technical problem to be solved by the present invention is to input word or method name in Qt exploitation environment for the prior art
When exist fritter away energy, the disadvantages such as working efficiency is low, a kind of keyword reminding method of improvement Qt exploitation environment is provided.
The technical scheme adopted by the invention to solve the technical problem is that: a kind of keyword prompt improving Qt exploitation environment
Method, it is characterised in that: include the following steps,
Step 1: detection has key pressing events；
Step 2: entering key pressing events and handle function；
Step 3: judging whether current file is read-only and content changes, and contain printable ASCII word in key
Symbol；
If so, carrying out step 4；If not, terminating；
Step 4: judging whether character is letter, number or underscore；
If so, carrying out step 5；If not, terminating；
Step 5: judging whether auto-complete is carrying out；
If not, carrying out step 6；If so, terminating；
Step 6: enabling request auto-complete timer；
Step 7: entering request auto-complete step；
Step 8: entering auto-complete step；
Step 9: display auto-complete list；
Step 10: choosing the data of auto-complete list and completion is in the position that user inputs, complete auto-complete.
Further, in step 3, when keyboard inputs, detect that current file content has occurred that variation, into
Enter grammer and highlight step comprising following steps: automatically extracting current file content by row, every row is packaged into one
Block, sequence save；Then to block list traversal, symbol extraction is carried out to each block, the symbol extracted is put into symbol
Number table tokens；Then the tokens list of generation is traversed again, by each symbol of traversal according to presetting pattern
The text formatting of symbol is set.
Further, step 7 request auto-complete step the following steps are included:
S1: request auto-complete timer expiry signal；
S2: enter auto-complete timer expiry and handle function；
S3: stop request auto-complete timer；
S4: judge whether auto-complete really carries out；
If not, entering step S5；If so, terminating；
S5: judge whether the text for being still located at triggering；
If so, entering step S6；If not, terminating；
S6: the request of auto-complete is issued；
Preferably, the auto-complete timer clock period is 500ms.
Further, the auto-complete step following steps of step 8:
S11: auto-complete request is received；
S12: judge whether current editing machine supports auto-complete；
If so, entering step S13；If not, terminating；
S13: judge whether to meet auto-complete condition；
If so, entering step S14；If not, terminating；
S14: auto-complete segment is collected；
Preferably, it in step S14 when collecting auto-complete segment, is looked for three positions: firstly, finding coding language
Say Keyword List；Secondly, being found in the customized macro, variable name of user and statement；Finally, in software default and user
It is found in customized completion segment.
It is highly preferred that code speech Keyword List is int, double or float.
The present invention has the following beneficial effects: due to taking above-mentioned technical proposal
A kind of keyword reminding method improving Qt exploitation environment of the present invention, can dynamically establish in memory
Antistop list is updated after each end of input of user, assists user's input process, mitigates the memory to numerous words,
Improve input efficiency；And antistop list can be carried out to pinpoint highlighted coloring, while being realized in real time in the cursor position of input
It is prompted.
Detailed description of the invention:
Fig. 1 is a kind of flow diagram for improving Qt and developing the keyword reminding method of environment of the present invention；
Fig. 2 is the structural schematic diagram of code editor of the present invention；
Fig. 3 is the flow diagram that grammer of the present invention highlights step；
Fig. 4 is the flow diagram of request auto-complete step of the present invention；
Fig. 5 is the flow diagram of auto-complete of the present invention.
Specific embodiment:
Below in conjunction with attached drawing, the content of the present invention will be further explained.
As shown in Figure 1, Figure 2, shown in Fig. 4 and Fig. 5, a kind of keyword prompt side improving Qt exploitation environment of the present invention
Method, for assisting user to input keyword in Qt exploitation environment, which comprises the following steps:
Step 1: detection has key pressing events；
When there is keyboard to press, the keyword reminding method that Qt develops environment can be improved described in automatic trigger；
Step 2: entering key pressing events and handle function；
Step 3: judging whether current file is read-only and content changes, and contain printable ASCII word in key
Symbol；
If being editable, while content changes and in key containing can if so, i.e. file is not a reading mode
The ascii character of printing then carries out step 4；
If not, if i.e. file is a reading mode, be not editable perhaps editable but without content change or
Editable simultaneously has content change but does not contain printable ascii character, then terminates；
In Fig. 2, the high-level code editing machine in the present invention includes text editor and syntax analyzer, and the text is compiled
Collecting device includes text input module, segment collector, text highlighter and editing machine setup module, and the syntax analyzer includes
Code completion device, grammer highlighter, lexical analyzer and class diagram generator；Wherein, code completion device can input user
Information is matched and is automatically prompted, i.e., if there are some word, such as MyApplication in current document, when
User is inputted again after the part of the word, such as Mya, then can show that the possibility of Mya beginning is used at corresponding cursor automatically
The word list arrived, to be selected for user；Grammer highlighter can be to keyword, the custom variable etc. being related in programming
It is subject to color, convenient for distinguishing, the content by category which can first call lexical analyzer to input user is extracted；Morphology
Analyzer carries out analysis and symbol extraction to every row content of text；Class diagram generator is for extracting between user-defined class and class
Relationship, form an inheritance tree, such as the relationship of MyItem Similar integral can be checked by left side inheritance tree, be conducive to
User is helped quickly to be analyzed.The keyword reminding method of the present invention for improving Qt exploitation environment is by lexical analyzer
Dynamic forms original word table to the content scanning of input and extracts type using syntax analyzer to original word table analysis
Name, variable name, method name form different antistop lists, and call drawing engine, carry out pinpointing highlighted coloring to antistop list；
Simultaneously check keyboard input time interval, be more than given threshold, trigger the extraction module of character string, to user input content into
Row is minimum to be extracted, and is called KMP matching algorithm, is matched to the character string extracted with antistop list, and successful match column are returned
Table is prompted in the cursor position of input in real time；It is defeated every time in user by dynamically establishing antistop list in memory
It is updated after entering, assists user's input process, mitigate the memory to numerous words, improve input efficiency.
As shown in figure 3, in step 3, when keyboard input, detect that current file content has occurred that variation,
Step is highlighted into grammer comprising following steps: automatically extracting current file content by row, every row is packaged into one
Block (block), each block save every row content of text, and sequence saves；Then to block list traversal, to each
Block, which carries out symbol extraction, such as a=3 int after lexical analyzer analyzes this journey text with lexical analyzer, to be extracted
Keyword " int ", variable name " a ", operator "=", constant " 3 ", boundary's symbol "；", the symbol extracted is put into symbol table tokens；
Then the tokens list of generation is traversed again, by each symbol of traversal according to the text of presetting pattern setting symbol
This format.
Step 4: judging whether character is letter, number or underscore；
If so, carrying out step 5；If not, terminating；
Step 3 and step 4 are mainly used for ignoring non-alphabetical, nonnumeric and non-underscore character input, avoid because not
Meeting character key entry causes method excessively frequently to be called.
Step 5: judging whether auto-complete is carrying out；
If not, carrying out step 6；If so, terminating；
After detection input meets condition, judge to request whether auto-complete timer has worked, if worked,
Then terminate, i.e., this process terminates automatically, to avoid causing method to be frequently called because input is too fast, making efficiency instead
It reduces.
Step 6: enabling request auto-complete timer；
If auto-complete timer is not working, start request auto-complete timer, when auto-complete timer
After the clock period (500ms) arrives, again to local carry out condition judgement is inputted, if mouse or file status change,
This completion work meaning has disappeared.
Step 7: entering request auto-complete step；
As shown in figure 4, after enabling request auto-complete timer, into request auto-complete step comprising following
Step:
S1: request auto-complete timer expiry signal；
S2: enter auto-complete timer expiry and handle function；
S3: stop request auto-complete timer；
S4: judge whether auto-complete really carries out；
If not, entering step S5；If so, terminating；
S5: judge whether the text for being still located at triggering；
If so, entering step S6；If not, terminating；
S6: the request of auto-complete is issued.
Step 8: entering auto-complete step；
As shown in figure 5, after receiving auto-complete request, into auto-complete step comprising:
S11: auto-complete request is received；
S12: judge whether current editing machine supports auto-complete；
If so, entering step S13；If not, terminating；
S13: judge whether to meet auto-complete condition；
If so, entering step S14；If not, terminating；
S14: auto-complete segment is collected；
It when collecting auto-complete segment, is mainly looked for three positions: firstly, finding code speech key column
Table, such as int, double or float etc.；Secondly, being found in the customized macro, variable name of user and statement；Finally,
It is found in software default and the customized completion segment of user.
Step 9: display auto-complete list；
After character match caused by three positions in the input character extracted and step S14, by successful match
Result summarize, and user input position show auto-complete list.
Step 10: completing auto-complete；
After step 9 completion list display, user can carry out switching up and down by directionkeys, choose some list number
According to it is rear and press carriage return, automatically by the Supplementing Data chosen in the position that user inputs.
A kind of keyword reminding method improving Qt exploitation environment of the present invention is by moving after said one process
Antistop list is established to state in memory, is updated after each end of input of user, and user's input process, mitigation pair are assisted
The memory of numerous words improves input efficiency.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (6)
1. a kind of keyword reminding method for improving Qt exploitation environment, it is characterised in that: include the following steps,
Step 1: detection has key pressing events；
Step 2: entering key pressing events and handle function；
Step 3: judging whether current file is read-only and content changes, and contain printable ascii character in key；
If so, carrying out step 4；If not, terminating；
Step 4: judging whether character is letter, number or underscore；
If so, carrying out step 5；If not, terminating；
Step 5: judging whether auto-complete is carrying out；
If not, carrying out step 6；If so, terminating；
Step 6: enabling request auto-complete timer；
Step 7: entering request auto-complete step；
Step 8: entering auto-complete step；
Step 9: display auto-complete list；
Step 10: choosing the data of auto-complete list and completion is in the position that user inputs, complete auto-complete；
Wherein, step 7 request auto-complete step the following steps are included:
S1: request auto-complete timer expiry signal；
S2: enter auto-complete timer expiry and handle function；
S3: stop request auto-complete timer；
S4: judge whether auto-complete really carries out；
If not, entering step S5；If so, terminating；
S5: judge whether the text for being still located at triggering；
If so, entering step S6；If not, terminating；
S6: the request of auto-complete is issued.
2. the keyword reminding method according to claim 1 for improving Qt exploitation environment, it is characterised in that: in step 3,
It when keyboard input, detects that current file content has occurred that variation, highlights step into grammer comprising following step
It is rapid: automatically to extract current file content by row, every row is packaged into a block, and sequence saves；Then block is arranged
Table traversal carries out symbol extraction to each block, and the symbol extracted is put into symbol table tokens；Then again to generation
Tokens list is traversed, by each symbol of traversal according to the text formatting of presetting pattern setting symbol.
3. the keyword reminding method according to claim 1 for improving Qt exploitation environment, it is characterised in that: auto-complete is fixed
When the device clock cycle be 500ms.
4. it is according to claim 1 improve Qt exploitation environment keyword reminding method, it is characterised in that: step 8 from
Dynamic completion step following steps:
S11: auto-complete request is received；
S12: judge whether current editing machine supports auto-complete；
If so, entering step S13；If not, terminating；
S13: judge whether to meet auto-complete condition；
If so, entering step S14；If not, terminating；
S14: auto-complete segment is collected.
5. the keyword reminding method according to claim 4 for improving Qt exploitation environment, it is characterised in that: in step S14
It when collecting auto-complete segment, is looked for three positions: firstly, finding code speech Keyword List；Secondly, in user
It is found in customized macro, variable name and statement；Finally, being found in software default and the customized completion segment of user.
6. the keyword reminding method according to claim 5 for improving Qt exploitation environment, it is characterised in that: code speech closes
Key word list is int, double or float.
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