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Rev | Author | Line No. | Line |
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1334 | mikedld | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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3 | ;; Copyright (C) KolibriOS team 2004-2008. All rights reserved. ;; |
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4 | ;; Copyright (C) MenuetOS 2000-2004 Ville Mikael Turjanmaa ;; |
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5 | ;; Distributed under terms of the GNU General Public License ;; |
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6 | ;; ;; |
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7 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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8 | |||
9 | $Revision: 1334 $ |
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10 | |||
11 | |||
12 | button._.MAX_BUTTONS = 4095 |
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13 | |||
14 | |||
15 | ;============================================================================== |
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16 | ;///// public functions /////////////////////////////////////////////////////// |
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17 | ;============================================================================== |
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18 | |||
19 | struc SYS_BUTTON |
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20 | { |
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21 | .pslot dw ? |
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22 | .id_lo dw ? |
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23 | .left dw ? |
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24 | .width dw ? |
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25 | .top dw ? |
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26 | .height dw ? |
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27 | .id_hi dw ? |
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28 | .sizeof: |
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29 | } |
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30 | virtual at 0 |
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31 | SYS_BUTTON SYS_BUTTON |
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32 | end virtual |
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33 | |||
34 | iglobal |
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35 | mx dw 0x0 ; keeps the x mouse's position when it was clicked |
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36 | my dw 0x0 ; keeps the y mouse's position when it was clicked |
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37 | bPressedMouseXY_B db 0x0 |
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38 | btn_down_determ db 0x0 |
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39 | endg |
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40 | |||
41 | align 4 |
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42 | ;------------------------------------------------------------------------------ |
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43 | syscall_button: ;///// system function 8 ////////////////////////////////////// |
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44 | ;------------------------------------------------------------------------------ |
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45 | ; Define/undefine GUI button object |
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46 | ;------------------------------------------------------------------------------ |
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47 | ; Define button arguments: |
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48 | ; ebx = pack[16(x), 16(width)] |
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49 | ; ecx = pack[16(y), 16(height)] |
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50 | ; edx = pack[8(flags), 24(button identifier)] |
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51 | ; flags bits: |
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52 | ; 7 (31) = 0 |
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53 | ; 6 (30) = don't draw button |
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54 | ; 5 (29) = don't draw button frame when pressed |
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55 | ; esi = button color |
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56 | ; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
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57 | ; Undefine button arguments: |
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58 | ; edx = pack[8(flags), 24(button identifier)] |
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59 | ; flags bits: |
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60 | ; 7 (31) = 1 |
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61 | ;------------------------------------------------------------------------------ |
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62 | ; do we actually need to undefine the button? |
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63 | test edx, 0x80000000 |
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64 | jnz .remove_button |
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65 | |||
66 | ; do we have free button slots available? |
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67 | mov edi, [BTN_ADDR] |
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68 | mov eax, [edi] |
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69 | cmp eax, button._.MAX_BUTTONS |
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70 | jge .exit |
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71 | |||
72 | ; does it have positive size? (otherwise it doesn't have sense) |
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73 | or bx, bx |
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74 | jle .exit |
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75 | or cx, cx |
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76 | jle .exit |
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77 | |||
78 | ; make coordinates clientbox-relative |
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79 | push eax |
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80 | mov eax, [current_slot] |
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81 | rol ebx, 16 |
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82 | add bx, word[eax + APPDATA.wnd_clientbox.left] |
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83 | rol ebx, 16 |
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84 | rol ecx, 16 |
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85 | add cx, word[eax + APPDATA.wnd_clientbox.top] |
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86 | rol ecx, 16 |
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87 | pop eax |
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88 | |||
89 | ; basic checks passed, define the button |
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90 | push ebx ecx edx |
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91 | inc eax |
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92 | mov [edi], ax |
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93 | shl eax, 4 |
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94 | add edi, eax |
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95 | ; NOTE: this code doesn't rely on SYS_BUTTON struct, please revise it |
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96 | ; if you change something |
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97 | mov ax, [CURRENT_TASK] |
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98 | stosw |
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99 | mov ax, dx |
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100 | stosw ; button id number: bits 0-15 |
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101 | mov eax, ebx |
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102 | rol eax, 16 |
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103 | stosd ; x start | x size |
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104 | mov eax, ecx |
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105 | rol eax, 16 |
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106 | stosd ; y start | y size |
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107 | mov eax, edx |
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108 | shr eax, 16 |
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109 | stosw ; button id number: bits 16-31 |
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110 | pop edx ecx ebx |
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111 | |||
112 | ; do we also need to draw the button? |
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113 | test edx, 0x40000000 |
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114 | jnz .exit |
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115 | |||
116 | ; draw button body |
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117 | |||
118 | pushad |
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119 | |||
120 | ; calculate window-relative coordinates |
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121 | movzx edi, cx |
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122 | shr ebx, 16 |
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123 | shr ecx, 16 |
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124 | mov eax, [TASK_BASE] |
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125 | add ebx, [eax - twdw + WDATA.box.left] |
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126 | add ecx, [eax - twdw + WDATA.box.top] |
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127 | mov eax, ebx |
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128 | shl eax, 16 |
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129 | mov ax, bx |
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130 | add ax, word[esp + 16] |
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131 | mov ebx, ecx |
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132 | shl ebx, 16 |
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133 | mov bx, cx |
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134 | |||
135 | ; calculate initial color |
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136 | mov ecx, esi |
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137 | cmp [buttontype], 0 |
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138 | je @f |
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139 | call button._.incecx2 |
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140 | |||
141 | ; set button height counter |
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142 | @@: mov edx, edi |
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143 | |||
144 | .next_line: |
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145 | call button._.button_dececx |
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146 | push edi |
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147 | xor edi, edi |
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148 | call [draw_line] |
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149 | pop edi |
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150 | add ebx, 0x00010001 |
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151 | dec edx |
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152 | jnz .next_line |
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153 | |||
154 | popad |
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155 | |||
156 | ; draw button frame |
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157 | |||
158 | push ebx ecx |
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159 | |||
160 | ; calculate window-relative coordinates |
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161 | shr ebx, 16 |
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162 | shr ecx, 16 |
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163 | mov eax, [TASK_BASE] |
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164 | add ebx, [eax - twdw + WDATA.box.left] |
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165 | add ecx, [eax - twdw + WDATA.box.top] |
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166 | |||
167 | ; top border |
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168 | mov eax, ebx |
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169 | shl eax, 16 |
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170 | mov ax, bx |
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171 | add ax, [esp + 4] |
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172 | mov ebx, ecx |
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173 | shl ebx, 16 |
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174 | mov bx, cx |
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175 | push ebx |
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176 | xor edi, edi |
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177 | mov ecx, esi |
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178 | call button._.incecx |
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179 | call [draw_line] |
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180 | |||
181 | ; bottom border |
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182 | movzx edx, word[esp + 4 + 0] |
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183 | add ebx, edx |
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184 | shl edx, 16 |
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185 | add ebx, edx |
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186 | mov ecx, esi |
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187 | call button._.dececx |
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188 | call [draw_line] |
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189 | |||
190 | ; left border |
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191 | pop ebx |
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192 | push edx |
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193 | mov edx, eax |
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194 | shr edx, 16 |
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195 | mov ax, dx |
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196 | mov edx, ebx |
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197 | shr edx, 16 |
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198 | mov bx, dx |
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199 | add bx, [esp + 4 + 0] |
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200 | pop edx |
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201 | mov ecx, esi |
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202 | call button._.incecx |
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203 | call [draw_line] |
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204 | |||
205 | ; right border |
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206 | mov dx, [esp + 4] |
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207 | add ax, dx |
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208 | shl edx, 16 |
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209 | add eax, edx |
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210 | add ebx, 0x00010000 |
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211 | mov ecx, esi |
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212 | call button._.dececx |
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213 | call [draw_line] |
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214 | |||
215 | pop ecx ebx |
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216 | |||
217 | .exit: |
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218 | ret |
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219 | |||
220 | ; FIXME: mutex needed |
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221 | syscall_button.remove_button: |
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222 | and edx, 0x00ffffff |
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223 | mov edi, [BTN_ADDR] |
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224 | mov ebx, [edi] |
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225 | inc ebx |
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226 | imul esi, ebx, SYS_BUTTON.sizeof |
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227 | add esi, edi |
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228 | xor ecx, ecx |
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229 | add ecx, -SYS_BUTTON.sizeof |
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230 | |||
231 | .next_button: |
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232 | dec ebx |
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233 | jz .exit |
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234 | |||
235 | add ecx, SYS_BUTTON.sizeof |
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236 | add esi, -SYS_BUTTON.sizeof |
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237 | |||
238 | ; does it belong to our process? |
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239 | mov ax, [CURRENT_TASK] |
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240 | cmp ax, [esi + SYS_BUTTON.pslot] |
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241 | jne .next_button |
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242 | |||
243 | ; does the identifier match? |
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244 | mov eax, dword[esi + SYS_BUTTON.id_hi - 2] |
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245 | mov ax, [esi + SYS_BUTTON.id_lo] |
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246 | and eax, 0x00ffffff |
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247 | cmp edx, eax |
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248 | jne .next_button |
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249 | |||
250 | ; okay, undefine it |
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251 | mov ebx, esi |
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252 | lea eax, [esi + SYS_BUTTON.sizeof] |
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253 | call memmove |
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254 | dec dword[edi] |
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255 | add ecx, -SYS_BUTTON.sizeof |
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256 | jmp .next_button |
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257 | |||
258 | .exit: |
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259 | ret |
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260 | |||
261 | align 4 |
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262 | ;------------------------------------------------------------------------------ |
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263 | check_buttons: ;/////////////////////////////////////////////////////////////// |
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264 | ;------------------------------------------------------------------------------ |
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265 | ; |
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266 | ;------------------------------------------------------------------------------ |
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267 | cmp byte[BTN_DOWN], 0 ; mouse buttons pressed |
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268 | jnz @f |
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269 | mov [bPressedMouseXY_B], 0 |
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270 | ret |
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271 | |||
272 | @@: pushad |
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273 | xor esi, esi |
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274 | mov edi, [BTN_ADDR] |
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275 | mov edx, [edi] |
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276 | test edx, edx |
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277 | jne @f |
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278 | popad |
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279 | ret |
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280 | |||
281 | ;here i catch the coordinates when the mouse's button is clicked |
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282 | @@: push ax |
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283 | cmp [bPressedMouseXY_B], 0 ; FALSE |
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284 | jnz @f |
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285 | mov [bPressedMouseXY_B], 1 ; TRUE - it was already clicked |
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286 | mov ax, [MOUSE_X] |
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287 | mov [mx], ax |
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288 | mov ax, [MOUSE_Y] |
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289 | mov [my], ax |
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290 | @@: pop ax |
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291 | ;and it is only refreshed after the mouse's button release |
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292 | |||
293 | push esi |
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294 | inc edx |
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295 | push edx |
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296 | |||
297 | .buttonnewcheck: |
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298 | pop edx |
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299 | pop esi |
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300 | inc esi |
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301 | cmp edx, esi |
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302 | jge .bch |
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303 | |||
304 | popad |
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305 | ret |
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306 | |||
307 | .bch: |
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308 | push esi |
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309 | push edx |
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310 | mov eax, esi |
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311 | shl eax, 4 |
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312 | add eax, edi |
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313 | |||
314 | ; check that button is at top of windowing stack |
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315 | movzx ebx, [eax + SYS_BUTTON.pslot] |
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316 | movzx ecx, word[WIN_STACK + ebx * 2] |
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317 | cmp ecx, [TASK_COUNT] |
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318 | jne .buttonnewcheck |
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319 | |||
320 | ; check that button start is inside window x/y end |
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321 | shl ebx, 5 |
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322 | |||
323 | test [ebx + window_data + WDATA.fl_wstate], WSTATE_MINIMIZED |
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324 | jnz .buttonnewcheck |
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325 | |||
326 | movzx edx, [eax + SYS_BUTTON.left] |
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327 | cmp edx, [window_data + ebx + WDATA.box.width] ;ecx |
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328 | jge .buttonnewcheck |
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329 | |||
330 | movzx edx, [eax + SYS_BUTTON.top] |
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331 | cmp edx, [window_data + ebx + WDATA.box.height] ;ecx |
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332 | jge .buttonnewcheck |
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333 | |||
334 | ; check coordinates |
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335 | |||
336 | ; mouse x >= button x ? |
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337 | add ebx, window_data |
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338 | mov ecx, [ebx + WDATA.box.left] |
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339 | movzx edx, [eax + SYS_BUTTON.left] |
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340 | add edx, ecx |
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341 | mov cx, [mx] ;mov cx,[MOUSE_X] |
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342 | cmp edx, ecx |
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343 | jg .buttonnewcheck |
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344 | |||
345 | movzx ebx, [eax + SYS_BUTTON.width] |
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346 | add edx, ebx |
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347 | cmp ecx, edx |
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348 | jg .buttonnewcheck |
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349 | |||
350 | ; mouse y >= button y ? |
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351 | movzx ebx, [eax + SYS_BUTTON.pslot] |
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352 | shl ebx, 5 |
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353 | add ebx, window_data |
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354 | mov ecx, [ebx + WDATA.box.top] |
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355 | movzx edx, [eax + SYS_BUTTON.top] |
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356 | add edx, ecx |
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357 | mov cx, [my] ;mov cx,[MOUSE_Y] |
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358 | cmp edx, ecx |
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359 | jg .buttonnewcheck |
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360 | |||
361 | movzx ebx, [eax + SYS_BUTTON.height] |
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362 | add edx, ebx |
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363 | cmp ecx, edx |
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364 | jg .buttonnewcheck |
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365 | |||
366 | ; mouse on button |
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367 | |||
368 | pop edx |
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369 | pop esi |
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370 | |||
371 | mov ebx, dword[eax + SYS_BUTTON.id_hi - 2] ; button id : bits 16-31 |
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372 | mov bx, [eax + SYS_BUTTON.id_lo] ; button id : bits 00-16 |
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373 | push ebx |
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374 | |||
375 | mov byte[MOUSE_DOWN], 1 ; no mouse down checks |
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376 | call button._.negative_button |
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377 | |||
378 | pushad |
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379 | push eax |
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380 | mov al, [BTN_DOWN] |
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381 | mov byte[btn_down_determ], al |
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382 | pop eax |
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383 | |||
384 | .cbwaitmouseup: |
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385 | call checkidle |
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386 | call [draw_pointer] |
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387 | |||
388 | pushad |
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389 | call stack_handler |
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390 | popad |
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391 | |||
392 | cmp byte[BTN_DOWN], 0 ; mouse buttons pressed ? |
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393 | jnz .cbwaitmouseup |
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394 | popad |
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395 | |||
396 | call button._.negative_button |
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397 | mov byte[MOUSE_BACKGROUND], 0 ; no mouse background |
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398 | mov byte[DONT_DRAW_MOUSE], 0 ; draw mouse |
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399 | |||
400 | ; check coordinates |
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401 | pusha |
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402 | |||
403 | ; mouse x >= button x ? |
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404 | movzx ebx, [eax + SYS_BUTTON.pslot] |
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405 | shl ebx, 5 |
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406 | add ebx, window_data |
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407 | mov ecx, [ebx + WDATA.box.left] |
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408 | movzx edx, [eax + SYS_BUTTON.left] |
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409 | add edx, ecx |
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410 | mov cx, [MOUSE_X] |
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411 | cmp edx, ecx |
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412 | jg .no_on_button ;if we release the pointer out of the button area |
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413 | |||
414 | movzx ebx, [eax + SYS_BUTTON.width] |
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415 | add edx, ebx |
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416 | cmp ecx, edx |
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417 | jg .no_on_button |
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418 | |||
419 | ; mouse y >= button y ? |
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420 | movzx ebx, [eax + SYS_BUTTON.pslot] |
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421 | shl ebx, 5 |
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422 | add ebx, window_data |
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423 | mov ecx, [ebx + WDATA.box.top] |
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424 | movzx edx, [eax + SYS_BUTTON.top] |
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425 | add edx, ecx |
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426 | mov cx, [MOUSE_Y] |
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427 | cmp edx, ecx |
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428 | jg .no_on_button |
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429 | |||
430 | movzx ebx, [eax + SYS_BUTTON.height] |
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431 | add edx, ebx |
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432 | cmp ecx, edx |
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433 | jg .no_on_button |
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434 | |||
435 | popa |
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436 | |||
437 | mov byte[BTN_COUNT], 1 ; no of buttons in buffer |
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438 | pop ebx |
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439 | mov [BTN_BUFF], ebx ; lets put the button id in buffer |
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440 | push ebx |
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441 | pusha |
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442 | jmp .yes_on_button |
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443 | |||
444 | .no_on_button: |
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445 | mov byte[BTN_COUNT], 0 ; no of buttons in buffer |
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446 | |||
447 | .yes_on_button: |
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448 | mov byte[MOUSE_DOWN], 0 ; mouse down -> do not draw |
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449 | popa |
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450 | pop ebx |
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451 | popa |
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452 | ret |
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453 | |||
454 | ;============================================================================== |
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455 | ;///// private functions ////////////////////////////////////////////////////// |
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456 | ;============================================================================== |
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457 | |||
458 | ;------------------------------------------------------------------------------ |
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459 | button._.dececx: ;///////////////////////////////////////////////////////////// |
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460 | ;------------------------------------------------------------------------------ |
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461 | ; |
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462 | ;------------------------------------------------------------------------------ |
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463 | sub cl, 0x20 |
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464 | jnc @f |
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465 | xor cl, cl |
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466 | @@: sub ch, 0x20 |
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467 | jnc @f |
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468 | xor ch, ch |
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469 | @@: rol ecx, 16 |
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470 | sub cl, 0x20 |
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471 | jnc @f |
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472 | xor cl, cl |
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473 | @@: rol ecx, 16 |
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474 | ret |
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475 | |||
476 | ;------------------------------------------------------------------------------ |
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477 | button._.incecx: ;///////////////////////////////////////////////////////////// |
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478 | ;------------------------------------------------------------------------------ |
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479 | ; |
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480 | ;------------------------------------------------------------------------------ |
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481 | add cl, 0x20 |
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482 | jnc @f |
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483 | or cl, -1 |
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484 | @@: add ch, 0x20 |
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485 | jnc @f |
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486 | or ch, -1 |
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487 | @@: rol ecx, 16 |
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488 | add cl, 0x20 |
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489 | jnc @f |
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490 | or cl, -1 |
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491 | @@: rol ecx, 16 |
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492 | ret |
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493 | |||
494 | ;------------------------------------------------------------------------------ |
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495 | button._.incecx2: ;//////////////////////////////////////////////////////////// |
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496 | ;------------------------------------------------------------------------------ |
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497 | ; |
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498 | ;------------------------------------------------------------------------------ |
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499 | add cl, 0x14 |
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500 | jnc @f |
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501 | or cl, -1 |
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502 | @@: add ch, 0x14 |
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503 | jnc @f |
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504 | or ch, -1 |
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505 | @@: rol ecx, 16 |
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506 | add cl, 0x14 |
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507 | jnc @f |
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508 | or cl, -1 |
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509 | @@: rol ecx, 16 |
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510 | ret |
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511 | |||
512 | ;------------------------------------------------------------------------------ |
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513 | button._.button_dececx: ;////////////////////////////////////////////////////// |
||
514 | ;------------------------------------------------------------------------------ |
||
515 | ; |
||
516 | ;------------------------------------------------------------------------------ |
||
517 | cmp [buttontype], 1 |
||
518 | jne .finish |
||
519 | |||
520 | push eax |
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521 | mov al, 1 |
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522 | cmp edi, 20 |
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523 | jg @f |
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524 | mov al, 2 |
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525 | |||
526 | @@: sub cl, al |
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527 | jnc @f |
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528 | xor cl, cl |
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529 | @@: sub ch, al |
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530 | jnc @f |
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531 | xor ch, ch |
||
532 | @@: rol ecx, 16 |
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533 | sub cl, al |
||
534 | jnc @f |
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535 | xor cl, cl |
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536 | @@: rol ecx, 16 |
||
537 | |||
538 | pop eax |
||
539 | |||
540 | .finish: |
||
541 | ret |
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542 | |||
543 | ;------------------------------------------------------------------------------ |
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544 | button._.negative_button: ;//////////////////////////////////////////////////// |
||
545 | ;------------------------------------------------------------------------------ |
||
546 | ; |
||
547 | ;------------------------------------------------------------------------------ |
||
548 | ; If requested, do not display button border on press. |
||
549 | test ebx, 0x20000000 |
||
550 | jz .draw_negative_button |
||
551 | ret |
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552 | |||
553 | .draw_negative_button: |
||
554 | pushad |
||
555 | |||
556 | mov ebx, dword[eax + SYS_BUTTON.left] |
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557 | mov ecx, dword[eax + SYS_BUTTON.top] |
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558 | rol ebx, 16 |
||
559 | rol ecx, 16 |
||
560 | push ebx ecx |
||
561 | |||
562 | ; calculate window-relative coordinates |
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563 | shr ebx, 16 |
||
564 | shr ecx, 16 |
||
565 | movzx eax, word[eax + SYS_BUTTON.pslot] |
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566 | shl eax, 5 |
||
567 | add eax, window_data |
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568 | add ebx, [eax + WDATA.box.left] |
||
569 | add ecx, [eax + WDATA.box.top] |
||
570 | |||
571 | xor edi, edi |
||
572 | inc edi |
||
573 | |||
574 | ; top border |
||
575 | mov eax, ebx |
||
576 | shl eax, 16 |
||
577 | mov ax, bx |
||
578 | add ax, [esp + 4] |
||
579 | mov ebx, ecx |
||
580 | shl ebx, 16 |
||
581 | mov bx, cx |
||
582 | push ebx |
||
583 | mov ecx, 0x01000000 |
||
584 | call [draw_line] |
||
585 | |||
586 | ; bottom border |
||
587 | movzx edx, word[esp + 4 + 0] |
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588 | add ebx, edx |
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589 | shl edx, 16 |
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590 | add ebx, edx |
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591 | call [draw_line] |
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592 | |||
593 | ; left border |
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594 | pop ebx |
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595 | push edx |
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596 | mov edx, eax |
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597 | shr edx, 16 |
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598 | mov ax, dx |
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599 | mov edx, ebx |
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600 | shr edx, 16 |
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601 | mov bx, dx |
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602 | add bx, [esp + 4 + 0] |
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603 | pop edx |
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604 | add ebx, 0x00010000 |
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605 | dec bx |
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606 | call [draw_line] |
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607 | |||
608 | ; right border |
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609 | mov dx, [esp + 4] |
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610 | add ax, dx |
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611 | shl edx, 16 |
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612 | add eax, edx |
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613 | call [draw_line] |
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614 | |||
615 | pop ecx ebx |
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616 | |||
617 | popad |
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618 | ret |